U.S. Department of the Interior

U.S. Geological Survey

Pamphlet B to accompany

Scientific Investigations Map 3343

Geologic Cross Section I–I′ Through the Appalachian Basin from the Eastern 

Margin of the Illinois Basin, Jefferson County, Kentucky, to the Valley and Ridge 

Province, Scott County, Virginia

By Robert T. Ryder, Michael H. Trippi, and Christopher S. Swezey
U.S. Department of the Interior

SALLY JEWELL, Secretary

U.S. Geological Survey

Suzette M. Kimball, Acting Director

U.S. Geological Survey, Reston, Virginia: 2015

For more information on the USGS—the Federal source for science about the Earth, its natural and living resources, natural hazards, and the environment—visit 

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Although this information product, for the most part, is in the public domain, it also may contain copyrighted materials as noted in the text. Permission to reproduce copyrighted items must be secured from the copyright owner.

Suggested citation:

Ryder, R.T., Trippi, M.H., and Swezey, C.S., 2015, Geologic cross section I–I′ through the Appalachian basin from the eastern margin of the Illinois basin, Jefferson County, 

Kentucky, to the Valley and Ridge province, Scott County, Virginia: U.S. Geological Survey Scientific Investigations Map 3343, 2 sheets and pamphlet A, 41 p.; pamphlet B, 

102 p., http://dx.doi.org/10.3133/sim3343.

ISSN 2329-1311 (print)

ISSN 2329-132X (online)

ISBN 978-1-4113-3973-6
ii

Contents

Pamphlet A

Introduction......................................................................................................................................................................................................................................1

Construction of the Cross Section ...............................................................................................................................................................................................1

Structural Framework ....................................................................................................................................................................................................................3

Basement Rocks and Associated Structures ...................................................................................................................................................................3

Thin-Skinned Structures.......................................................................................................................................................................................................7

Stratigraphic Framework...............................................................................................................................................................................................................8

Mesoproterozoic to Neoproterozoic(?) Siliciclastic Strata............................................................................................................................................9

Lower Cambrian to Upper Ordovician Siliciclastic and Carbonate Strata.................................................................................................................10

Upper Ordovician to Lower Silurian Siliciclastic Strata................................................................................................................................................17

Lower Silurian to Middle Devonian Carbonate and Evaporitic Strata........................................................................................................................18

Middle Devonian to Middle Mississippian Siliciclastic Strata ....................................................................................................................................20

Middle and Upper Mississippian Carbonate Strata.......................................................................................................................................................22

Upper Mississippian and Pennsylvanian Siliciclastic Strata.......................................................................................................................................23

Acknowledgments........................................................................................................................................................................................................................26

References Cited...........................................................................................................................................................................................................................26

Pamphlet B

Appendix 1. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 1–10 in Cross Section I–I′.........................1

Appendix 2. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 11–19 in Cross Section I–I′.....................49

Appendix 3. Scale, Units, and Depths for Gamma-Ray Logging Runs..............................................................................................................................99
iii

Conversion Factors

Multiply By To obtain

Length

foot (ft) 0.3048 meter (m)

meter (m) 3.281 foot (ft)

mile (mi) 1.609 kilometer (km)

kilometer (km) 0.6214 mile (mi)

Figures

[On map sheets]

1. Map of Kentucky, Virginia, and adjoining States showing location of cross section I–I′ and selected tectonic features.

2. Correlation chart of Paleozoic rocks along cross section I–I′ in Kentucky and Virginia.

3. Diagram showing major footwall ramps (thrust faults) and zones of bedding-plane detachment in the eastern part of 

cross section I–I′.

Table

[In pamphlet A]

1. Drill holes used in cross section I–I′ ..........................................................................................................................................................................4
Appendix 1. Table Summarizing Stratigraphic Units and Depths of 

Stratigraphic Units for Drill Holes 1–10 in Cross Section I–I′

Blank cells indicate no formation was encountered in the drill hole.
2 Pamphlet B—Geologic Cross Section I–I′ Through the Appalachian Basin

Appendix 1. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 1–10 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 1 2 3 4 5 

American Petroleum Institute 

well number 16–111–24576 16–211–09113 16–005–00000 16–239–21801 16–049–10287 

Lease name No. 1 Dupont Plant Disposal No. 1 C.J. Morris No. 1 Ben Bond No. 1 Dudley Gaines No. 1 Paul Adams and 

Clarence Long 

Permanent datum Ground level Ground level Ground level Ground level Ground level 

Ground level elevation (ft) 452 763 760 852 930 

Kelly bushing elevation (ft) 462 763 760 859 931 

Measured from KB (10 ft APD) GL GL KB (7 ft APD) KB (1 ft APD) 

Drill depth (ft) 6,011 2,075 2,838 2,812 1,563 

KB elevation - GL elevation (ft) 10 0 0 7 1 

Formation 1 Alluvium Maquoketa Shale Lexington Limestone Lexington Limestone Lexington Limestone 

System or series Quaternary Upper Ordovician Upper Ordovician Upper Ordovician Upper Ordovician 

Formation top (relative to KB) (ft) -10 0 0 -7 -1 

Formation top (relative to GL) (ft) 0 0 0 0 0 

Formation top (relative to SL) (ft) 452 753 760 852 930 

Formation 2 New Albany Shale Lexington Limestone High Bridge Group Dickeyville Bentonite Bed Dickeyville Bentonite Bed 

System or series Upper Devonian Upper Ordovician Upper Ordovician Upper Ordovician Upper Ordovician 

Formation top (relative to KB) (ft) -125 -324 -190 -122 -105 

Formation top (relative to GL) (ft) -115 -324 -190 -115 -104 

Formation top (relative to SL) (ft) 337 439 570 737 826 

Formation 3 Sellersburg and Jeffersonville 

Limestones (undifferentiated)

High Bridge Group Millbrig Bentonite Bed “Elkport” Bentonite Bed “Elkport” Bentonite Bed 

System or series Middle Devonian Upper Ordovician Upper Ordovician Upper Ordovician Upper Ordovician 

Formation top (relative to KB) (ft) -162 -478 -222 -142 -128 

Formation top (relative to GL) (ft) -152 -478 -222 -135 -127 

Formation top (relative to SL) (ft) 300 285 538 717 803 

Formation 4 Brownsport Formation and 

Dixon Fomation

Millbrig Bentonite Bed Deicke Bentonite Bed High Bridge Group (Tyrone 

Limestone) and Millbrig 

Bentonite Bed

High Bridge Group (Tyrone 

Limestone) and Millbrig 

Bentonite Bed

System or series upper Silurian Upper Ordovician Upper Ordovician Upper Ordovician Upper Ordovician 

Formation top (relative to KB) (ft) -218 -492 -238 -177 -155 

Formation top (relative to GL) (ft) -208 -492 -238 -170 -154 

Formation top (relative to SL) (ft) 244 271 522 682 776 
Apprendix 1. 3

Appendix 1. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 1–10 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 6 7 8 9 10

American Petroleum Institute 

well number 16–049–18142 16–173–11507 16–165–29846 16–175–28019 16–237–30520

Lease name No. 1 M.W. Miller No. 16–1 Alvery Potter No. 1 Campbell No. 1 C.K. Stacy Heirs No. 1 Orville Banks

Permanent datum Ground level Ground level Ground level Ground level Ground level

Ground level elevation (ft) 940 977 1,118 805 1,028

Kelly bushing elevation (ft) 949 989 1,128 817 1,057

Measured from KB (9 ft APD) KB (12 ft APD) KB (10 ft APD) KB (12 ft APD) KB (29 ft APD)

Drill depth (ft) 3,425 4,481 6,787 7,587 12,323

KB elevation - GL elevation (ft) 9 12 10 12 29

Formation 1 Lexington Limestone Drakes Formation Pikeville Formation of the 

Breathitt Group

Pikeville Formation of the 

Breathitt Group

Hyden Formation of the Breathitt 

Group

System or series Upper Ordovician Upper Ordovician Lower Pennsylvanian Lower Pennsylvanian Lower Pennsylvanian

Formation top (relative to KB) (ft) -9 -12 -10 -12 -29

Formation top (relative to GL) (ft) 0 0 0 0 0

Formation top (relative to SL) (ft) 940 977 1,118 805 1,028

Formation 2 Dickeyville Bentonite Bed Ashlock Formation Corbin Sandstone Member of the 

Grundy Formation

Corbin Sandstone Member of the 

Grundy Formation

Pikeville Formation of the 

Breathitt Group

System or series Upper Ordovician Upper Ordovician Lower Pennsylvanian Lower Pennsylvanian Lower Pennsylvanian

Formation top (relative to KB) (ft) -230 -150 -28 -100 -245

Formation top (relative to GL) (ft) -221 -138 -18 -88 -216

Formation top (relative to SL) (ft) 719 839 1,100 717 812

Formation 3 “Elkport” Bentonite Bed Calloway Creek Limestone Paragon Formation Paragon Formation Corbin Sandstone Member of the 

Grundy Formation

System or series Upper Ordovician Upper Ordovician Upper Mississippian Upper Mississippian Lower Pennsylvanian

Formation top (relative to KB) (ft) -255 -243 -213 -310 -547

Formation top (relative to GL) (ft) -246 -231 -203 -298 -518

Formation top (relative to SL) (ft) 694 746 915 507 510

Formation 4 High Bridge Group (Tyrone 

Limestone) and Millbrig 

Bentonite Bed

Garrard Siltstone Slade Formation (equivalent to 

Bluefield Formation)

Slade Formation (equivalent to 

Bluefield Formation)

Grundy Formation of the 

Breathitt Group (coal-bearing 

lower part)

System or series Upper Ordovician Upper Ordovician Upper Mississippian Upper Mississippian Lower Pennsylvanian

Formation top (relative to KB) (ft) -283 -350 -245 -344 -620

Formation top (relative to GL) (ft) -274 -338 -235 -332 -591

Formation top (relative to SL) (ft) 666 639 883 473 437
4 Pamphlet B—Geologic Cross Section I–I′ Through the Appalachian Basin

Appendix 1. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 1–10 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 1 2 3 4 5 

American Petroleum Institute 

well number 16–111–24576 16–211–09113 16–005–00000 16–239–21801 16–049–10287 

Lease name No. 1 Dupont Plant Disposal No. 1 C.J. Morris No. 1 Ben Bond No. 1 Dudley Gaines No. 1 Paul Adams and 

Clarence Long 

Permanent datum Ground level Ground level Ground level Ground level Ground level 

Ground level elevation (ft) 452 763 760 852 930 

Kelly bushing elevation (ft) 462 763 760 859 931 

Measured from KB (10 ft APD) GL GL KB (7 ft APD) KB (1 ft APD) 

Drill depth (ft) 6,011 2,075 2,838 2,812 1,563 

KB elevation - GL elevation (ft) 10 0 0 7 1 

Formation 5 Louisville Limestone Deicke Bentonite Bed Wells Creek dolomite Deicke Bentonite Bed Deicke Bentonite Bed 

System or series upper Silurian Upper Ordovician Middle and Upper Ordovician Upper Ordovician Upper Ordovician 

Formation top (relative to KB) (ft) -260 -509 -700 -207 -188 

Formation top (relative to GL) (ft) -250 -509 -700 -200 -187 

Formation top (relative to SL) (ft) 202 254 60 652 743 

Formation 6 Waldron Shale Wells Creek dolomite St. Peter Sandstone High Bridge Group (upper 

member of Camp Nelson 

Limestone and Oregon 

Formation (undivided)) and 

Hockett Bentonite Bed 

High Bridge Group (upper 

member of Camp Nelson 

Limestone and Oregon 

Formation (undivided)) and 

Hockett Bentonite Bed 

System or series upper Silurian Middle and Upper Ordovician Middle Ordovician Upper Ordovician Upper Ordovician 

Formation top (relative to KB) (ft) -304 -998 -792 -276 -247 

Formation top (relative to GL) (ft) -294 -998 -792 -269 -246 

Formation top (relative to SL) (ft) 158 -235 -32 583 684 

Formation 7 Laurel Dolomite St. Peter Sandstone Beekmantown Dolomite High Bridge Group (marker A) High Bridge Group (marker A) 

System or series upper Silurian Middle Ordovician Lower Ordovician Upper Ordovician Upper Ordovician 

Formation top (relative to KB) (ft) -314 -1,060 -800 -447 -413 

Formation top (relative to GL) (ft) -304 -1,060 -800 -440 -412 

Formation top (relative to SL) (ft) 148 -297 -40 412 518 
Apprendix 1. 5

Appendix 1. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 1–10 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 6 7 8 9 10

American Petroleum Institute 

well number 16–049–18142 16–173–11507 16–165–29846 16–175–28019 16–237–30520

Lease name No. 1 M.W. Miller No. 16–1 Alvery Potter No. 1 Campbell No. 1 C.K. Stacy Heirs No. 1 Orville Banks

Permanent datum Ground level Ground level Ground level Ground level Ground level

Ground level elevation (ft) 940 977 1,118 805 1,028

Kelly bushing elevation (ft) 949 989 1,128 817 1,057

Measured from KB (9 ft APD) KB (12 ft APD) KB (10 ft APD) KB (12 ft APD) KB (29 ft APD)

Drill depth (ft) 3,425 4,481 6,787 7,587 12,323

KB elevation - GL elevation (ft) 9 12 10 12 29

Formation 5 Deicke Bentonite Bed Clays Ferry Formation Slade Formation (equivalent to 

Newman Limestone)

Slade Formation (equivalent to 

Newman Limestone)

Bee Rock Sandstone of the 

Breathitt Group

System or series Upper Ordovician Upper Ordovician Middle and Upper Mississippian Middle and Upper Mississippian Lower Pennsylvanian

Formation top (relative to KB) (ft) -302 -380 -266 -364 -765

Formation top (relative to GL) (ft) -293 -368 -256 -352 -736

Formation top (relative to SL) (ft) 647 609 862 453 292

Formation 6 High Bridge Group (upper 

member of Camp Nelson 

Limestone and Oregon 

Formation (undivided)) and 

Hockett Bentonite Bed 

Lexington Limestone Borden Formation (siltstone) Borden Formation (siltstone) Pennington Formation

System or series Upper Ordovician Upper Ordovician Lower and Middle Mississippian Lower and Middle Mississippian Upper Mississippian

Formation top (relative to KB) (ft) -365 -508 -347 -464 -810

Formation top (relative to GL) (ft) -356 -496 -337 -452 -781

Formation top (relative to SL) (ft) 584 481 781 353 247

Formation 7 High Bridge Group (marker A) Dickeyville Bentonite Bed Borden Formation (silty shale) Borden Formation (silty shale) Newman Limestone (equivalent 

to Bluefield Formation)

System or series Upper Ordovician Upper Ordovician Lower Mississippian Lower Mississippian Upper Mississippian

Formation top (relative to KB) (ft) -540 -815 -505 -700 -875

Formation top (relative to GL) (ft) -531 -803 -495 -688 -846

Formation top (relative to SL) (ft) 409 174 623 117 182
6 Pamphlet B—Geologic Cross Section I–I′ Through the Appalachian Basin

Appendix 1. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 1–10 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 1 2 3 4 5 

American Petroleum Institute 

well number 16–111–24576 16–211–09113 16–005–00000 16–239–21801 16–049–10287 

Lease name No. 1 Dupont Plant Disposal No. 1 C.J. Morris No. 1 Ben Bond No. 1 Dudley Gaines No. 1 Paul Adams and 

Clarence Long 

Permanent datum Ground level Ground level Ground level Ground level Ground level 

Ground level elevation (ft) 452 763 760 852 930 

Kelly bushing elevation (ft) 462 763 760 859 931 

Measured from KB (10 ft APD) GL GL KB (7 ft APD) KB (1 ft APD) 

Drill depth (ft) 6,011 2,075 2,838 2,812 1,563 

KB elevation - GL elevation (ft) 10 0 0 7 1 

Formation 8 Osgood Formation and 

Brassfield Limestone

Beekmantown Dolomite Rose Run Sandstone (dolomite) High Bridge Group (Pecatonica 

Member of Camp Nelson 

Limestone) (marker B)

High Bridge Group (Pecatonica 

Member of Camp Nelson 

Limestone) (marker B)

System or series lower Silurian Lower Ordovician Upper Cambrian Upper Ordovician Upper Ordovician 

Formation top (relative to KB) (ft) -346 -1,067 -1,232 -528 -497 

Formation top (relative to GL) (ft) -336 -1,067 -1,232 -521 -496 

Formation top (relative to SL) (ft) 116 -304 -472 331 434 

Formation 9 Drakes Formation Rose Run Sandstone (dolomite) Copper Ridge Dolomite High Bridge Group (lower 

member of Camp Nelson 

Limestone)

High Bridge Group (lower 

member of Camp Nelson 

Limestone)

System or series Upper Ordovician Upper Cambrian Upper Cambrian Middle and Upper Ordovician Middle and Upper Ordovician 

Formation top (relative to KB) (ft) -380 -1,610 -1,366 -618 -596 

Formation top (relative to GL) (ft) -370 -1,610 -1,366 -611 -595 

Formation top (relative to SL) (ft) 82 -847 -606 241 335 

Formation 10 Grant Lake Limestone Copper Ridge Dolomite Wells Creek dolomite (marker C) Wells Creek dolomite (marker C) 

System or series Upper Ordovician Upper Cambrian Middle and Upper Ordovician Middle and Upper Ordovician 

Formation top (relative to KB) (ft) -435 -1,750 -678 -650 

Formation top (relative to GL) (ft) -425 -1,750 -671 -649 

Formation top (relative to SL) (ft) 27 -987 181 281 
Apprendix 1. 7

Appendix 1. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 1–10 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 6 7 8 9 10

American Petroleum Institute 

well number 16–049–18142 16–173–11507 16–165–29846 16–175–28019 16–237–30520

Lease name No. 1 M.W. Miller No. 16–1 Alvery Potter No. 1 Campbell No. 1 C.K. Stacy Heirs No. 1 Orville Banks

Permanent datum Ground level Ground level Ground level Ground level Ground level

Ground level elevation (ft) 940 977 1,118 805 1,028

Kelly bushing elevation (ft) 949 989 1,128 817 1,057

Measured from KB (9 ft APD) KB (12 ft APD) KB (10 ft APD) KB (12 ft APD) KB (29 ft APD)

Drill depth (ft) 3,425 4,481 6,787 7,587 12,323

KB elevation - GL elevation (ft) 9 12 10 12 29

Formation 8 High Bridge Group (Pecatonica 

Member of Camp Nelson 

Limestone) (marker B)

“Elkport” Bentonite Bed Sunbury Shale Sunbury Shale Newman Limestone (equivalent 

to Greenbrier Limestone)

System or series Upper Ordovician Upper Ordovician Lower Mississippian Lower Mississippian Middle and Upper Mississippian

Formation top (relative to KB) (ft) -630 -844 -895 -1,000 -900

Formation top (relative to GL) (ft) -621 -832 -885 -988 -871

Formation top (relative to SL) (ft) 319 145 233 -183 157

Formation 9 High Bridge Group (lower 

member of Camp Nelson 

Limestone)

High Bridge Group (Tyrone 

Limestone) and Millbrig 

Bentonite Bed

Berea Sandstone Berea Sandstone Borden Formation (siltstone)

System or series Middle and Upper Ordovician Upper Ordovician Upper Devonian Upper Devonian Lower and Middle Mississippian

Formation top (relative to KB) (ft) -715 -880 -910 -1,014 -980

Formation top (relative to GL) (ft) -706 -868 -900 -1,002 -951

Formation top (relative to SL) (ft) 234 109 218 -197 77

Formation 10 Wells Creek dolomite (marker C) Deicke Bentonite Bed Bedford Shale Cleveland Member of the 

Ohio Shale

Borden Formation (silty shale)

System or series Middle and Upper Ordovician Upper Ordovician Upper Devonian Upper Devonian Lower Mississippian

Formation top (relative to KB) (ft) -767 -903 -920 -1,050 -1,280

Formation top (relative to GL) (ft) -758 -891 -910 -1,038 -1,251

Formation top (relative to SL) (ft) 182 86 208 -233 -223
8 Pamphlet B—Geologic Cross Section I–I′ Through the Appalachian Basin

Appendix 1. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 1–10 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 1 2 3 4 5 

American Petroleum Institute 

well number 16–111–24576 16–211–09113 16–005–00000 16–239–21801 16–049–10287 

Lease name No. 1 Dupont Plant Disposal No. 1 C.J. Morris No. 1 Ben Bond No. 1 Dudley Gaines No. 1 Paul Adams and 

Clarence Long 

Permanent datum Ground level Ground level Ground level Ground level Ground level 

Ground level elevation (ft) 452 763 760 852 930 

Kelly bushing elevation (ft) 462 763 760 859 931 

Measured from KB (10 ft APD) GL GL KB (7 ft APD) KB (1 ft APD) 

Drill depth (ft) 6,011 2,075 2,838 2,812 1,563 

KB elevation - GL elevation (ft) 10 0 0 7 1 

Formation 11 Calloway Creek Limestone Wells Creek dolomite (marker D) Wells Creek dolomite (marker D) 

System or series Upper Ordovician Middle and Upper Ordovician Middle and Upper Ordovician 

Formation top (relative to KB) (ft) -512 -748 -708 

Formation top (relative to GL) (ft) -502 -741 -707 

Formation top (relative to SL) (ft) -50 111 223 

Formation 12 Maquoketa Shale Beekmantown Dolomite Beekmantown Dolomite 

System or series Upper Ordovician Lower Ordovician Lower Ordovician 

Formation top (relative to KB) (ft) -630 -780 -760 

Formation top (relative to GL) (ft) -620 -773 -759 

Formation top (relative to SL) (ft) -168 79 171 

Formation 13 “Utica shale” Rose Run Sandstone (dolomite) Rose Run Sandstone (dolomite) 

System or series Upper Ordovician Upper Cambrian Upper Cambrian 

Formation top (relative to KB) (ft) -890 -1,260 -1,250 

Formation top (relative to GL) (ft) -880 -1,253 -1,249 

Formation top (relative to SL) (ft) -428 -401 -319 
Apprendix 1. 9

Appendix 1. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 1–10 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 6 7 8 9 10

American Petroleum Institute 

well number 16–049–18142 16–173–11507 16–165–29846 16–175–28019 16–237–30520

Lease name No. 1 M.W. Miller No. 16–1 Alvery Potter No. 1 Campbell No. 1 C.K. Stacy Heirs No. 1 Orville Banks

Permanent datum Ground level Ground level Ground level Ground level Ground level

Ground level elevation (ft) 940 977 1,118 805 1,028

Kelly bushing elevation (ft) 949 989 1,128 817 1,057

Measured from KB (9 ft APD) KB (12 ft APD) KB (10 ft APD) KB (12 ft APD) KB (29 ft APD)

Drill depth (ft) 3,425 4,481 6,787 7,587 12,323

KB elevation - GL elevation (ft) 9 12 10 12 29

Formation 11 Wells Creek dolomite (marker D) High Bridge Group (upper 

member of Camp Nelson 

Limestone and Oregon 

Formation (undivided)) and 

Hockett Bentonite Bed 

Cleveland Member of the 

Ohio Shale

Three Lick Bed Sunbury Shale

System or series Middle and Upper Ordovician Upper Ordovician Upper Devonian Upper Devonian Lower Mississippian

Formation top (relative to KB) (ft) -819 -970 -950 -1,100 -1,483

Formation top (relative to GL) (ft) -810 -958 -940 -1,088 -1,454

Formation top (relative to SL) (ft) 130 19 178 -283 -426

Formation 12 Beekmantown Dolomite High Bridge Group (marker A) Three Lick Bed Huron Member of the Ohio 

Shale (upper part)

Bedford Shale

System or series Lower Ordovician Upper Ordovician Upper Devonian Upper Devonian Upper Devonian

Formation top (relative to KB) (ft) -865 -1,163 -966 -1,120 -1,495

Formation top (relative to GL) (ft) -856 -1,151 -956 -1,108 -1,466

Formation top (relative to SL) (ft) 84 -174 162 -303 -438

Formation 13 Rose Run Sandstone (dolomite) High Bridge Group (Pecatonica 

Member of Camp Nelson 

Limestone) (marker B)

Huron Member of the Ohio 

Shale (upper part)

Chagrin Shale tongue Cleveland Member of the Ohio 

Shale

System or series Upper Cambrian Upper Ordovician Upper Devonian Upper Devonian Upper Devonian

Formation top (relative to KB) (ft) -1,345 -1,250 -982 -1,160 -1,530

Formation top (relative to GL) (ft) -1,336 -1,238 -972 -1,148 -1,501

Formation top (relative to SL) (ft) -396 -261 146 -343 -473
10 Pamphlet B—Geologic Cross Section I–I′ Through the Appalachian Basin

Appendix 1. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 1–10 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 1 2 3 4 5 

American Petroleum Institute 

well number 16–111–24576 16–211–09113 16–005–00000 16–239–21801 16–049–10287 

Lease name No. 1 Dupont Plant Disposal No. 1 C.J. Morris No. 1 Ben Bond No. 1 Dudley Gaines No. 1 Paul Adams and 

Clarence Long 

Permanent datum Ground level Ground level Ground level Ground level Ground level 

Ground level elevation (ft) 452 763 760 852 930 

Kelly bushing elevation (ft) 462 763 760 859 931 

Measured from KB (10 ft APD) GL GL KB (7 ft APD) KB (1 ft APD) 

Drill depth (ft) 6,011 2,075 2,838 2,812 1,563 

KB elevation - GL elevation (ft) 10 0 0 7 1 

Formation 14 Lexington Limestone Copper Ridge Dolomite Copper Ridge Dolomite 

System or series Upper Ordovician Upper Cambrian Upper Cambrian 

Formation top (relative to KB) (ft) -1,003 -1,370 -1,338 

Formation top (relative to GL) (ft) -993 -1,363 -1,337 

Formation top (relative to SL) (ft) -541 -511 -407 

Formation 15 High Bridge Group (Tyrone 

Limestone) and Millbrig 

Bentonite Bed

Copper Ridge Dolomite 

(marker X1)

System or series Upper Ordovician Upper Cambrian 

Formation top (relative to KB) (ft) -1,137 -1,823 

Formation top (relative to GL) (ft) -1,127 -1,816 

Formation top (relative to SL) (ft) -675 -964 

Formation 16 Deicke Bentonite Bed Copper Ridge Dolomite 

(marker Y)

System or series Upper Ordovician Upper Cambrian 

Formation top (relative to KB) (ft) -1,153 -2,460 

Formation top (relative to GL) (ft) -1,143 -2,453 

Formation top (relative to SL) (ft) -691 -1,601 
Apprendix 1. 11

Appendix 1. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 1–10 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 6 7 8 9 10

American Petroleum Institute 

well number 16–049–18142 16–173–11507 16–165–29846 16–175–28019 16–237–30520

Lease name No. 1 M.W. Miller No. 16–1 Alvery Potter No. 1 Campbell No. 1 C.K. Stacy Heirs No. 1 Orville Banks

Permanent datum Ground level Ground level Ground level Ground level Ground level

Ground level elevation (ft) 940 977 1,118 805 1,028

Kelly bushing elevation (ft) 949 989 1,128 817 1,057

Measured from KB (9 ft APD) KB (12 ft APD) KB (10 ft APD) KB (12 ft APD) KB (29 ft APD)

Drill depth (ft) 3,425 4,481 6,787 7,587 12,323

KB elevation - GL elevation (ft) 9 12 10 12 29

Formation 14 Copper Ridge Dolomite High Bridge Group (lower 

member of Camp Nelson 

Limestone)

Chagrin Shale tongue Huron Member of the Ohio 

Shale (lower part)

Three Lick Bed

System or series Upper Cambrian Middle and Upper Ordovician Upper Devonian Upper Devonian Upper Devonian

Formation top (relative to KB) (ft) -1,440 -1,340 -1,018 -1,226 -1,580

Formation top (relative to GL) (ft) -1,431 -1,328 -1,008 -1,214 -1,551

Formation top (relative to SL) (ft) -491 -351 110 -409 -523

Formation 15 Copper Ridge Dolomite 

(marker X1)

Wells Creek dolomite (marker C) Huron Member of the Ohio 

Shale (lower part)

Salina Formation Huron Member of the Ohio 

Shale (upper part)

System or series Upper Cambrian Middle and Upper Ordovician Upper Devonian upper Silurian Upper Devonian

Formation top (relative to KB) (ft) -1,930 -1,396 -1,070 -1,300 -1,600

Formation top (relative to GL) (ft) -1,921 -1,384 -1,060 -1,288 -1,571

Formation top (relative to SL) (ft) -981 -407 58 -483 -543

Formation 16 Copper Ridge Dolomite 

(marker Y)

Wells Creek dolomite (marker D) Lockport Dolomite Lockport Dolomite Chagrin Shale tongue

System or series Upper Cambrian Middle and Upper Ordovician lower and upper Silurian lower and upper Silurian Upper Devonian

Formation top (relative to KB) (ft) -2,539 -1,450 -1,110 -1,350 -1,637

Formation top (relative to GL) (ft) -2,530 -1,438 -1,100 -1,338 -1,608

Formation top (relative to SL) (ft) -1,590 -461 18 -533 -580
12 Pamphlet B—Geologic Cross Section I–I′ Through the Appalachian Basin

Appendix 1. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 1–10 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 1 2 3 4 5 

American Petroleum Institute 

well number 16–111–24576 16–211–09113 16–005–00000 16–239–21801 16–049–10287 

Lease name No. 1 Dupont Plant Disposal No. 1 C.J. Morris No. 1 Ben Bond No. 1 Dudley Gaines No. 1 Paul Adams and 

Clarence Long 

Permanent datum Ground level Ground level Ground level Ground level Ground level 

Ground level elevation (ft) 452 763 760 852 930 

Kelly bushing elevation (ft) 462 763 760 859 931 

Measured from KB (10 ft APD) GL GL KB (7 ft APD) KB (1 ft APD) 

Drill depth (ft) 6,011 2,075 2,838 2,812 1,563 

KB elevation - GL elevation (ft) 10 0 0 7 1 

Formation 17 upper member of Camp 

Nelson Limestone and Oregon 

Formation (undivided) and 

Hockett Bentonite Bed

System or series Upper Ordovician 

Formation top (relative to KB) (ft) -1,214 

Formation top (relative to GL) (ft) -1,204 

Formation top (relative to SL) (ft) -752 

Formation 18 High Bridge Group (marker A) 

System or series Upper Ordovician 

Formation top (relative to KB) (ft) -1,376 

Formation top (relative to GL) (ft) -1,366 

Formation top (relative to SL) (ft) -914 

Formation 19 High Bridge Group (Pecatonica 

Member of Camp Nelson 

Limestone)

System or series Upper Ordovician 

Formation top (relative to KB) (ft) -1,488 

Formation top (relative to GL) (ft) -1,478 

Formation top (relative to SL) (ft) -1,026 
Apprendix 1. 13

Appendix 1. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 1–10 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 6 7 8 9 10

American Petroleum Institute 

well number 16–049–18142 16–173–11507 16–165–29846 16–175–28019 16–237–30520

Lease name No. 1 M.W. Miller No. 16–1 Alvery Potter No. 1 Campbell No. 1 C.K. Stacy Heirs No. 1 Orville Banks

Permanent datum Ground level Ground level Ground level Ground level Ground level

Ground level elevation (ft) 940 977 1,118 805 1,028

Kelly bushing elevation (ft) 949 989 1,128 817 1,057

Measured from KB (9 ft APD) KB (12 ft APD) KB (10 ft APD) KB (12 ft APD) KB (29 ft APD)

Drill depth (ft) 3,425 4,481 6,787 7,587 12,323

KB elevation - GL elevation (ft) 9 12 10 12 29

Formation 17 Conasauga Formation (shale) St. Peter Sandstone Keefer (Big Six) Sandstone Keefer (Big Six) Sandstone Huron Member of the Ohio 

Shale (lower part)

System or series Upper Cambrian Middle Ordovician lower Silurian lower Silurian Upper Devonian

Formation top (relative to KB) (ft) -2,684 -1,500 -1,200 -1,430 -1,710

Formation top (relative to GL) (ft) -2,675 -1,488 -1,190 -1,418 -1,681

Formation top (relative to SL) (ft) -1,735 -511 -72 -613 -653

Formation 18 Conasauga Formation 

(limestone)

Beekmantown Dolomite Estill Shale Member of the Alger 

Shale

Estill Shale Member of the Alger 

Shale

Salina Formation

System or series Upper Cambrian Lower Ordovician lower Silurian lower Silurian upper Silurian

Formation top (relative to KB) (ft) -2,730 -1,544 -1,218 -1,462 -1,792

Formation top (relative to GL) (ft) -2,721 -1,532 -1,208 -1,450 -1,763

Formation top (relative to SL) (ft) -1,781 -555 -90 -645 -735

Formation 19 Conasauga Formation (shale) Rose Run Sandstone Waco Member of the Alger Shale Waco Member of the Alger Shale Lockport Dolomite

System or series Upper Cambrian Upper Cambrian lower Silurian lower Silurian lower and upper Silurian

Formation top (relative to KB) (ft) -2,747 -2,084 -1,353 -1,584 -1,880

Formation top (relative to GL) (ft) -2,738 -2,072 -1,343 -1,572 -1,851

Formation top (relative to SL) (ft) -1,798 -1,095 -225 -767 -823
14 Pamphlet B—Geologic Cross Section I–I′ Through the Appalachian Basin

Appendix 1. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 1–10 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 1 2 3 4 5 

American Petroleum Institute 

well number 16–111–24576 16–211–09113 16–005–00000 16–239–21801 16–049–10287 

Lease name No. 1 Dupont Plant Disposal No. 1 C.J. Morris No. 1 Ben Bond No. 1 Dudley Gaines No. 1 Paul Adams and 

Clarence Long 

Permanent datum Ground level Ground level Ground level Ground level Ground level 

Ground level elevation (ft) 452 763 760 852 930 

Kelly bushing elevation (ft) 462 763 760 859 931 

Measured from KB (10 ft APD) GL GL KB (7 ft APD) KB (1 ft APD) 

Drill depth (ft) 6,011 2,075 2,838 2,812 1,563 

KB elevation - GL elevation (ft) 10 0 0 7 1 

Formation 20 High Bridge Group (lower 

member of Camp Nelson 

Limestone) (equivalent to 

Joachim Dolomite)

System or series Middle and Upper Ordovician 

Formation top (relative to KB) (ft) -1,578 

Formation top (relative to GL) (ft) -1,568 

Formation top (relative to SL) (ft) -1,116 

Formation 21 Wells Creek dolomite 

System or series Middle and Upper Ordovician 

Formation top (relative to KB) (ft) -1,640 

Formation top (relative to GL) (ft) -1,630 

Formation top (relative to SL) (ft) -1,178 

Formation 22 St. Peter Sandstone 

System or series Middle Ordovician 

Formation top (relative to KB) (ft) -1,704 

Formation top (relative to GL) (ft) -1,694 

Formation top (relative to SL) (ft) -1,242 
Apprendix 1. 15

Appendix 1. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 1–10 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 6 7 8 9 10

American Petroleum Institute 

well number 16–049–18142 16–173–11507 16–165–29846 16–175–28019 16–237–30520

Lease name No. 1 M.W. Miller No. 16–1 Alvery Potter No. 1 Campbell No. 1 C.K. Stacy Heirs No. 1 Orville Banks

Permanent datum Ground level Ground level Ground level Ground level Ground level

Ground level elevation (ft) 940 977 1,118 805 1,028

Kelly bushing elevation (ft) 949 989 1,128 817 1,057

Measured from KB (9 ft APD) KB (12 ft APD) KB (10 ft APD) KB (12 ft APD) KB (29 ft APD)

Drill depth (ft) 3,425 4,481 6,787 7,587 12,323

KB elevation - GL elevation (ft) 9 12 10 12 29

Formation 20 Conasauga Formation 

(limestone)

Copper Ridge Dolomite Lulbegrud Shale Member of the 

Alger Shale

Lulbegrud Shale Member of the 

Alger Shale

Keefer (Big Six) Sandstone

System or series Upper Cambrian Upper Cambrian lower Silurian lower Silurian lower Silurian

Formation top (relative to KB) (ft) -2,773 -2,160 -1,358 -1,620 -1,960

Formation top (relative to GL) (ft) -2,764 -2,148 -1,348 -1,608 -1,931

Formation top (relative to SL) (ft) -1,824 -1,171 -230 -803 -903

Formation 21 Conasauga Formation (shale) Copper Ridge Dolomite 

(marker X1)

Oldham Member of the 

Drowning Creek Formation

Oldham Member of the 

Drowning Creek Formation

Estill Shale Member of the Alger 

Shale

System or series Upper Cambrian Upper Cambrian lower Silurian lower Silurian lower Silurian

Formation top (relative to KB) (ft) -2,795 -2,610 -1,380 -1,650 -2,018

Formation top (relative to GL) (ft) -2,786 -2,598 -1,370 -1,638 -1,989

Formation top (relative to SL) (ft) -1,846 -1,621 -252 -833 -961

Formation 22 Mount Simon Sandstone Copper Ridge Dolomite 

(marker Y)

Plum Creek Shale Member of 

the Drowning Creek Formation

Plum Creek Shale Member of 

the Drowning Creek Formation

Waco Member of the Alger Shale

System or series Upper Cambrian Upper Cambrian lower Silurian lower Silurian lower Silurian

Formation top (relative to KB) (ft) -3,050 -3,235 -1,400 -1,680 -2,230

Formation top (relative to GL) (ft) -3,041 -3,223 -1,390 -1,668 -2,201

Formation top (relative to SL) (ft) -2,101 -2,246 -272 -863 -1,173
16 Pamphlet B—Geologic Cross Section I–I′ Through the Appalachian Basin

Appendix 1. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 1–10 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 1 2 3 4 5 

American Petroleum Institute 

well number 16–111–24576 16–211–09113 16–005–00000 16–239–21801 16–049–10287 

Lease name No. 1 Dupont Plant Disposal No. 1 C.J. Morris No. 1 Ben Bond No. 1 Dudley Gaines No. 1 Paul Adams and 

Clarence Long 

Permanent datum Ground level Ground level Ground level Ground level Ground level 

Ground level elevation (ft) 452 763 760 852 930 

Kelly bushing elevation (ft) 462 763 760 859 931 

Measured from KB (10 ft APD) GL GL KB (7 ft APD) KB (1 ft APD) 

Drill depth (ft) 6,011 2,075 2,838 2,812 1,563 

KB elevation - GL elevation (ft) 10 0 0 7 1 

Formation 23 Beekmantown Dolomite 

System or series Lower Ordovician 

Formation top (relative to KB) (ft) -1,710 

Formation top (relative to GL) (ft) -1,700 

Formation top (relative to SL) (ft) -1,248 

Formation 24 Rose Run Sandstone 

System or series Upper Cambrian 

Formation top (relative to KB) (ft) -2,170 

Formation top (relative to GL) (ft) -2,160 

Formation top (relative to SL) (ft) -1,708 

Formation 25 Copper Ridge Dolomite 

System or series Upper Cambrian 

Formation top (relative to KB) (ft) -2,442 

Formation top (relative to GL) (ft) -2,432 

Formation top (relative to SL) (ft) -1,980 
Apprendix 1. 17

Appendix 1. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 1–10 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 6 7 8 9 10

American Petroleum Institute 

well number 16–049–18142 16–173–11507 16–165–29846 16–175–28019 16–237–30520

Lease name No. 1 M.W. Miller No. 16–1 Alvery Potter No. 1 Campbell No. 1 C.K. Stacy Heirs No. 1 Orville Banks

Permanent datum Ground level Ground level Ground level Ground level Ground level

Ground level elevation (ft) 940 977 1,118 805 1,028

Kelly bushing elevation (ft) 949 989 1,128 817 1,057

Measured from KB (9 ft APD) KB (12 ft APD) KB (10 ft APD) KB (12 ft APD) KB (29 ft APD)

Drill depth (ft) 3,425 4,481 6,787 7,587 12,323

KB elevation - GL elevation (ft) 9 12 10 12 29

Formation 23 Granite and (or) gneiss Maynardville Limestone of the 

Conasauga Group

Brassfield Member of the 

Drowning Creek Formation

Brassfield Member of the 

Drowning Creek Formation

Lulbegrud Shale Member of the 

Alger Shale

System or series Mesoproterozoic Upper Cambrian lower Silurian lower Silurian lower Silurian

Formation top (relative to KB) (ft) -3,075 -3,465 -1,430 -1,715 -2,238

Formation top (relative to GL) (ft) -3,066 -3,453 -1,420 -1,703 -2,209

Formation top (relative to SL) (ft) -2,126 -2,476 -302 -898 -1,181

Formation 24 Nolichucky Shale of the 

Conasauga Group

Drakes Formation Drakes Formation Oldham Member of the 

Drowning Creek Formation

System or series Upper Cambrian Upper Ordovician Upper Ordovician lower Silurian

Formation top (relative to KB) (ft) -3,530 -1,466 -1,753 -2,246

Formation top (relative to GL) (ft) -3,518 -1,456 -1,741 -2,217

Formation top (relative to SL) (ft) -2,541 -338 -936 -1,189

Formation 25 Nolichucky Shale (limestone) Ashlock Formation Ashlock Formation Plum Creek Shale Member of 

the Drowning Creek Formation

System or series Upper Cambrian Upper Ordovician Upper Ordovician lower Silurian

Formation top (relative to KB) (ft) -3,580 -1,614 -1,920 -2,270

Formation top (relative to GL) (ft) -3,568 -1,604 -1,908 -2,241

Formation top (relative to SL) (ft) -2,591 -486 -1,103 -1,213
18 Pamphlet B—Geologic Cross Section I–I′ Through the Appalachian Basin

Appendix 1. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 1–10 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 1 2 3 4 5 

American Petroleum Institute 

well number 16–111–24576 16–211–09113 16–005–00000 16–239–21801 16–049–10287 

Lease name No. 1 Dupont Plant Disposal No. 1 C.J. Morris No. 1 Ben Bond No. 1 Dudley Gaines No. 1 Paul Adams and 

Clarence Long 

Permanent datum Ground level Ground level Ground level Ground level Ground level 

Ground level elevation (ft) 452 763 760 852 930 

Kelly bushing elevation (ft) 462 763 760 859 931 

Measured from KB (10 ft APD) GL GL KB (7 ft APD) KB (1 ft APD) 

Drill depth (ft) 6,011 2,075 2,838 2,812 1,563 

KB elevation - GL elevation (ft) 10 0 0 7 1 

Formation 26 Eau Claire Formation (upper 

part) (equivalent to Maynardville 

Limestone)

System or series Upper Cambrian 

Formation top (relative to KB) (ft) -4,310 

Formation top (relative to GL) (ft) -4,300 

Formation top (relative to SL) (ft) -3,848 

Formation 27 Eau Claire Formation 

System or series Upper Cambrian 

Formation top (relative to KB) (ft) -4,486 

Formation top (relative to GL) (ft) -4,476 

Formation top (relative to SL) (ft) -4,024 

Formation 28 Mount Simon Sandstone 

System or series Upper Cambrian 

Formation top (relative to KB) (ft) -5,118 

Formation top (relative to GL) (ft) -5,108 

Formation top (relative to SL) (ft) -4,656 

Formation 29 Gabbro and (or) basalt 

System or series Mesoproterozoic 

Formation top (relative to KB) (ft) -5,958 

Formation top (relative to GL) (ft) -5,948 

Formation top (relative to SL) (ft) -5,496 
Apprendix 1. 19

Appendix 1. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 1–10 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 6 7 8 9 10

American Petroleum Institute 

well number 16–049–18142 16–173–11507 16–165–29846 16–175–28019 16–237–30520

Lease name No. 1 M.W. Miller No. 16–1 Alvery Potter No. 1 Campbell No. 1 C.K. Stacy Heirs No. 1 Orville Banks

Permanent datum Ground level Ground level Ground level Ground level Ground level

Ground level elevation (ft) 940 977 1,118 805 1,028

Kelly bushing elevation (ft) 949 989 1,128 817 1,057

Measured from KB (9 ft APD) KB (12 ft APD) KB (10 ft APD) KB (12 ft APD) KB (29 ft APD)

Drill depth (ft) 3,425 4,481 6,787 7,587 12,323

KB elevation - GL elevation (ft) 9 12 10 12 29

Formation 26 Nolichucky Shale (shale) Calloway Creek Limestone Calloway Creek Limestone Brassfield Member of the 

Drowning Creek Formation

System or series Upper Cambrian Upper Ordovician Upper Ordovician lower Silurian

Formation top (relative to KB) (ft) -3,605 -1,706 -2,014 -2,316

Formation top (relative to GL) (ft) -3,593 -1,696 -2,002 -2,287

Formation top (relative to SL) (ft) -2,616 -578 -1,197 -1,259

Formation 27 Nolichucky Shale (limestone) Garrard Siltstone Garrard Siltstone Drakes Formation

System or series Upper Cambrian Upper Ordovician Upper Ordovician Upper Ordovician

Formation top (relative to KB) (ft) -3,628 -1,806 -2,110 -2,360

Formation top (relative to GL) (ft) -3,616 -1,796 -2,098 -2,331

Formation top (relative to SL) (ft) -2,639 -678 -1,293 -1,303

Formation 28 Nolichucky Shale (shale) Clays Ferry Formation Clays Ferry Formation Ashlock Formation

System or series Upper Cambrian Upper Ordovician Upper Ordovician Upper Ordovician

Formation top (relative to KB) (ft) -3,660 -1,830 -2,150 -2,540

Formation top (relative to GL) (ft) -3,648 -1,820 -2,138 -2,511

Formation top (relative to SL) (ft) -2,671 -702 -1,333 -1,483

Formation 29 Maryville Limestone of the 

Conasauga Group

Lexington Limestone Lexington Limestone Calloway Creek Limestone

System or series Middle and Upper Cambrian Upper Ordovician Upper Ordovician Upper Ordovician

Formation top (relative to KB) (ft) -4,100 -1,890 -2,220 -2,635

Formation top (relative to GL) (ft) -4,088 -1,880 -2,208 -2,606

Formation top (relative to SL) (ft) -3,111 -762 -1,403 -1,578
20 Pamphlet B—Geologic Cross Section I–I′ Through the Appalachian Basin

Appendix 1. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 1–10 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 1 2 3 4 5 

American Petroleum Institute 

well number 16–111–24576 16–211–09113 16–005–00000 16–239–21801 16–049–10287 

Lease name No. 1 Dupont Plant Disposal No. 1 C.J. Morris No. 1 Ben Bond No. 1 Dudley Gaines No. 1 Paul Adams and 

Clarence Long 

Permanent datum Ground level Ground level Ground level Ground level Ground level 

Ground level elevation (ft) 452 763 760 852 930 

Kelly bushing elevation (ft) 462 763 760 859 931 

Measured from KB (10 ft APD) GL GL KB (7 ft APD) KB (1 ft APD) 

Drill depth (ft) 6,011 2,075 2,838 2,812 1,563 

KB elevation - GL elevation (ft) 10 0 0 7 1 

Formation 30 

System or series 

Formation top (relative to KB) (ft) 

Formation top (relative to GL) (ft) 

Formation top (relative to SL) (ft) 

Formation 31 

System or series 

Formation top (relative to KB) (ft) 

Formation top (relative to GL) (ft) 

Formation top (relative to SL) (ft) 

Formation 32 

System or series 

Formation top (relative to KB) (ft) 

Formation top (relative to GL) (ft) 

Formation top (relative to SL) (ft) 

Formation 33 

System or series 

Formation top (relative to KB) (ft) 

Formation top (relative to GL) (ft) 

Formation top (relative to SL) (ft) 
Apprendix 1. 21

Appendix 1. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 1–10 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 6 7 8 9 10

American Petroleum Institute 

well number 16–049–18142 16–173–11507 16–165–29846 16–175–28019 16–237–30520

Lease name No. 1 M.W. Miller No. 16–1 Alvery Potter No. 1 Campbell No. 1 C.K. Stacy Heirs No. 1 Orville Banks

Permanent datum Ground level Ground level Ground level Ground level Ground level

Ground level elevation (ft) 940 977 1,118 805 1,028

Kelly bushing elevation (ft) 949 989 1,128 817 1,057

Measured from KB (9 ft APD) KB (12 ft APD) KB (10 ft APD) KB (12 ft APD) KB (29 ft APD)

Drill depth (ft) 3,425 4,481 6,787 7,587 12,323

KB elevation - GL elevation (ft) 9 12 10 12 29

Formation 30 Rome Formation Dickeyville Bentonite Bed Dickeyville Bentonite Bed Garrard Siltstone

System or series Lower and Middle Cambrian Upper Ordovician Upper Ordovician Upper Ordovician

Formation top (relative to KB) (ft) -4,410 -2,374 -2,700 -2,735

Formation top (relative to GL) (ft) -4,398 -2,364 -2,688 -2,706

Formation top (relative to SL) (ft) -3,421 -1,246 -1,883 -1,678

Formation 31 Metamorphic rocks “Elkport” Bentonite Bed “Elkport” Bentonite Bed Clays Ferry Formation

System or series Mesoproterozoic Upper Ordovician Upper Ordovician Upper Ordovician

Formation top (relative to KB) (ft) -4,455 -2,400 -2,730 -2,773

Formation top (relative to GL) (ft) -4,443 -2,390 -2,718 -2,744

Formation top (relative to SL) (ft) -3,466 -1,272 -1,913 -1,716

Formation 32 High Bridge Group (Tyrone 

Limestone) and Millbrig 

Bentonite Bed

High Bridge Group (Tyrone 

Limestone) and Millbrig 

Bentonite Bed

Lexington Limestone

System or series Upper Ordovician Upper Ordovician Upper Ordovician

Formation top (relative to KB) (ft) -2,420 -2,752 -2,840

Formation top (relative to GL) (ft) -2,410 -2,740 -2,811

Formation top (relative to SL) (ft) -1,292 -1,935 -1,783

Formation 33 Deicke Bentonite Bed Deicke Bentonite Bed Dickeyville Bentonite Bed

System or series Upper Ordovician Upper Ordovician Upper Ordovician

Formation top (relative to KB) (ft) -2,450 -2,780 -3,340

Formation top (relative to GL) (ft) -2,440 -2,768 -3,311

Formation top (relative to SL) (ft) -1,322 -1,963 -2,283
22 Pamphlet B—Geologic Cross Section I–I′ Through the Appalachian Basin

Appendix 1. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 1–10 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 1 2 3 4 5 

American Petroleum Institute 

well number 16–111–24576 16–211–09113 16–005–00000 16–239–21801 16–049–10287 

Lease name No. 1 Dupont Plant Disposal No. 1 C.J. Morris No. 1 Ben Bond No. 1 Dudley Gaines No. 1 Paul Adams and 

Clarence Long 

Permanent datum Ground level Ground level Ground level Ground level Ground level 

Ground level elevation (ft) 452 763 760 852 930 

Kelly bushing elevation (ft) 462 763 760 859 931 

Measured from KB (10 ft APD) GL GL KB (7 ft APD) KB (1 ft APD) 

Drill depth (ft) 6,011 2,075 2,838 2,812 1,563 

KB elevation - GL elevation (ft) 10 0 0 7 1 

Formation 34 

System or series 

Formation top (relative to KB) (ft) 

Formation top (relative to GL) (ft) 

Formation top (relative to SL) (ft) 

Formation 35 

System or series 

Formation top (relative to KB) (ft) 

Formation top (relative to GL) (ft) 

Formation top (relative to SL) (ft) 

Formation 36 

System or series 

Formation top (relative to KB) (ft) 

Formation top (relative to GL) (ft) 

Formation top (relative to SL) (ft) 
Apprendix 1. 23

Appendix 1. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 1–10 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 6 7 8 9 10

American Petroleum Institute 

well number 16–049–18142 16–173–11507 16–165–29846 16–175–28019 16–237–30520

Lease name No. 1 M.W. Miller No. 16–1 Alvery Potter No. 1 Campbell No. 1 C.K. Stacy Heirs No. 1 Orville Banks

Permanent datum Ground level Ground level Ground level Ground level Ground level

Ground level elevation (ft) 940 977 1,118 805 1,028

Kelly bushing elevation (ft) 949 989 1,128 817 1,057

Measured from KB (9 ft APD) KB (12 ft APD) KB (10 ft APD) KB (12 ft APD) KB (29 ft APD)

Drill depth (ft) 3,425 4,481 6,787 7,587 12,323

KB elevation - GL elevation (ft) 9 12 10 12 29

Formation 34 High Bridge Group (upper 

member of Camp Nelson 

Limestone and Oregon 

Formation (undivided)) and 

Hockett Bentonite Bed

High Bridge Group (upper 

member of Camp Nelson 

Limestone and Oregon 

Formation (undivided)) and 

Hockett Bentonite Bed

“Elkport” Bentonite Bed

System or series Upper Ordovician Upper Ordovician Upper Ordovician

Formation top (relative to KB) (ft) -2,524 -2,860 -3,372

Formation top (relative to GL) (ft) -2,514 -2,848 -3,343

Formation top (relative to SL) (ft) -1,396 -2,043 -2,315

Formation 35 High Bridge Group (marker A) High Bridge Group (marker A) High Bridge Group (Tyrone 

Limestone) and Millbrig 

Bentonite Bed

System or series Upper Ordovician Upper Ordovician Upper Ordovician

Formation top (relative to KB) (ft) -2,750 -3,104 -3,400

Formation top (relative to GL) (ft) -2,740 -3,092 -3,371

Formation top (relative to SL) (ft) -1,622 -2,287 -2,343

Formation 36 High Bridge Group (Pecatonica 

Member of Camp Nelson 

Limestone) (marker B)

High Bridge Group (Pecatonica 

Member of Camp Nelson 

Limestone) (marker B)

Deicke Bentonite Bed

System or series Upper Ordovician Upper Ordovician Upper Ordovician

Formation top (relative to KB) (ft) -2,830 -3,188 -3,423

Formation top (relative to GL) (ft) -2,820 -3,176 -3,394

Formation top (relative to SL) (ft) -1,702 -2,371 -2,366
24 Pamphlet B—Geologic Cross Section I–I′ Through the Appalachian Basin

Appendix 1. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 1–10 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 1 2 3 4 5 

American Petroleum Institute 

well number 16–111–24576 16–211–09113 16–005–00000 16–239–21801 16–049–10287 

Lease name No. 1 Dupont Plant Disposal No. 1 C.J. Morris No. 1 Ben Bond No. 1 Dudley Gaines No. 1 Paul Adams and 

Clarence Long 

Permanent datum Ground level Ground level Ground level Ground level Ground level 

Ground level elevation (ft) 452 763 760 852 930 

Kelly bushing elevation (ft) 462 763 760 859 931 

Measured from KB (10 ft APD) GL GL KB (7 ft APD) KB (1 ft APD) 

Drill depth (ft) 6,011 2,075 2,838 2,812 1,563 

KB elevation - GL elevation (ft) 10 0 0 7 1 

Formation 37 

System or series 

Formation top (relative to KB) (ft) 

Formation top (relative to GL) (ft) 

Formation top (relative to SL) (ft) 

Formation 38 

System or series 

Formation top (relative to KB) (ft) 

Formation top (relative to GL) (ft) 

Formation top (relative to SL) (ft) 

Formation 39 

System or series 

Formation top (relative to KB) (ft) 

Formation top (relative to GL) (ft) 

Formation top (relative to SL) (ft) 
Apprendix 1. 25

Appendix 1. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 1–10 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 6 7 8 9 10

American Petroleum Institute 

well number 16–049–18142 16–173–11507 16–165–29846 16–175–28019 16–237–30520

Lease name No. 1 M.W. Miller No. 16–1 Alvery Potter No. 1 Campbell No. 1 C.K. Stacy Heirs No. 1 Orville Banks

Permanent datum Ground level Ground level Ground level Ground level Ground level

Ground level elevation (ft) 940 977 1,118 805 1,028

Kelly bushing elevation (ft) 949 989 1,128 817 1,057

Measured from KB (9 ft APD) KB (12 ft APD) KB (10 ft APD) KB (12 ft APD) KB (29 ft APD)

Drill depth (ft) 3,425 4,481 6,787 7,587 12,323

KB elevation - GL elevation (ft) 9 12 10 12 29

Formation 37 High Bridge Group (lower 

member of Camp Nelson 

Limestone)

High Bridge Group (lower 

member of Camp Nelson 

Limestone)

High Bridge Group (upper 

member of Camp Nelson 

Limestone and Oregon 

Formation (undivided)) and 

Hockett Bentonite Bed 

System or series Middle and Upper Ordovician Middle and Upper Ordovician Upper Ordovician

Formation top (relative to KB) (ft) -2,932 -3,286 -3,510

Formation top (relative to GL) (ft) -2,922 -3,274 -3,481

Formation top (relative to SL) (ft) -1,804 -2,469 -2,453

Formation 38 Wells Creek dolomite (marker C) Wells Creek dolomite (marker C) High Bridge Group (marker A)

System or series Middle and Upper Ordovician Middle and Upper Ordovician Upper Ordovician

Formation top (relative to KB) (ft) -2,986 -3,340 -3,780

Formation top (relative to GL) (ft) -2,976 -3,328 -3,751

Formation top (relative to SL) (ft) -1,858 -2,523 -2,723

Formation 39 Wells Creek dolomite (marker D) Wells Creek dolomite (marker D) High Bridge Group (Pecatonica 

Member of Camp Nelson 

Limestone) (marker B)

System or series Middle and Upper Ordovician Middle and Upper Ordovician Upper Ordovician

Formation top (relative to KB) (ft) -3,080 -3,435 -3,880

Formation top (relative to GL) (ft) -3,070 -3,423 -3,851

Formation top (relative to SL) (ft) -1,952 -2,618 -2,823
26 Pamphlet B—Geologic Cross Section I–I′ Through the Appalachian Basin

Appendix 1. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 1–10 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 1 2 3 4 5 

American Petroleum Institute 

well number 16–111–24576 16–211–09113 16–005–00000 16–239–21801 16–049–10287 

Lease name No. 1 Dupont Plant Disposal No. 1 C.J. Morris No. 1 Ben Bond No. 1 Dudley Gaines No. 1 Paul Adams and 

Clarence Long 

Permanent datum Ground level Ground level Ground level Ground level Ground level 

Ground level elevation (ft) 452 763 760 852 930 

Kelly bushing elevation (ft) 462 763 760 859 931 

Measured from KB (10 ft APD) GL GL KB (7 ft APD) KB (1 ft APD) 

Drill depth (ft) 6,011 2,075 2,838 2,812 1,563 

KB elevation - GL elevation (ft) 10 0 0 7 1 

Formation 40 

System or series 

Formation top (relative to KB) (ft) 

Formation top (relative to GL) (ft) 

Formation top (relative to SL) (ft) 

Formation 41 

System or series 

Formation top (relative to KB) (ft) 

Formation top (relative to GL) (ft) 

Formation top (relative to SL) (ft) 

Formation 42 

System or series 

Formation top (relative to KB) (ft) 

Formation top (relative to GL) (ft) 

Formation top (relative to SL) (ft) 

Formation 43 

System or series 

Formation top (relative to KB) (ft) 

Formation top (relative to GL) (ft) 

Formation top (relative to SL) (ft) 
Apprendix 1. 27

Appendix 1. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 1–10 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 6 7 8 9 10

American Petroleum Institute 

well number 16–049–18142 16–173–11507 16–165–29846 16–175–28019 16–237–30520

Lease name No. 1 M.W. Miller No. 16–1 Alvery Potter No. 1 Campbell No. 1 C.K. Stacy Heirs No. 1 Orville Banks

Permanent datum Ground level Ground level Ground level Ground level Ground level

Ground level elevation (ft) 940 977 1,118 805 1,028

Kelly bushing elevation (ft) 949 989 1,128 817 1,057

Measured from KB (9 ft APD) KB (12 ft APD) KB (10 ft APD) KB (12 ft APD) KB (29 ft APD)

Drill depth (ft) 3,425 4,481 6,787 7,587 12,323

KB elevation - GL elevation (ft) 9 12 10 12 29

Formation 40 St. Peter Sandstone St. Peter Sandstone High Bridge Group (lower 

member of Camp Nelson 

Limestone)

System or series Middle Ordovician Middle Ordovician Middle and Upper Ordovician

Formation top (relative to KB) (ft) -3,150 -3,520 -3,980

Formation top (relative to GL) (ft) -3,140 -3,508 -3,951

Formation top (relative to SL) (ft) -2,022 -2,703 -2,923

Formation 41 Beekmantown Dolomite Beekmantown Dolomite Wells Creek dolomite (marker C)

System or series Lower Ordovician Lower Ordovician Middle and Upper Ordovician

Formation top (relative to KB) (ft) -3,162 -3,540 -4,040

Formation top (relative to GL) (ft) -3,152 -3,528 -4,011

Formation top (relative to SL) (ft) -2,034 -2,723 -2,983

Formation 42 Rose Run Sandstone Rose Run Sandstone Wells Creek dolomite (marker D)

System or series Upper Cambrian Upper Cambrian Middle and Upper Ordovician

Formation top (relative to KB) (ft) -3,650 -4,050 -4,150

Formation top (relative to GL) (ft) -3,640 -4,038 -4,121

Formation top (relative to SL) (ft) -2,522 -3,233 -3,093

Formation 43 Copper Ridge Dolomite Copper Ridge Dolomite St. Peter Sandstone

System or series Upper Cambrian Upper Cambrian Middle Ordovician

Formation top (relative to KB) (ft) -3,866 -4,230 -4,230

Formation top (relative to GL) (ft) -3,856 -4,218 -4,201

Formation top (relative to SL) (ft) -2,738 -3,413 -3,173
28 Pamphlet B—Geologic Cross Section I–I′ Through the Appalachian Basin

Appendix 1. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 1–10 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 1 2 3 4 5 

American Petroleum Institute 

well number 16–111–24576 16–211–09113 16–005–00000 16–239–21801 16–049–10287 

Lease name No. 1 Dupont Plant Disposal No. 1 C.J. Morris No. 1 Ben Bond No. 1 Dudley Gaines No. 1 Paul Adams and 

Clarence Long 

Permanent datum Ground level Ground level Ground level Ground level Ground level 

Ground level elevation (ft) 452 763 760 852 930 

Kelly bushing elevation (ft) 462 763 760 859 931 

Measured from KB (10 ft APD) GL GL KB (7 ft APD) KB (1 ft APD) 

Drill depth (ft) 6,011 2,075 2,838 2,812 1,563 

KB elevation - GL elevation (ft) 10 0 0 7 1 

Formation 44 

System or series 

Formation top (relative to KB) (ft) 

Formation top (relative to GL) (ft) 

Formation top (relative to SL) (ft) 

Formation 45 

System or series 

Formation top (relative to KB) (ft) 

Formation top (relative to GL) (ft) 

Formation top (relative to SL) (ft) 

Formation 46 

System or series 

Formation top (relative to KB) (ft) 

Formation top (relative to GL) (ft) 

Formation top (relative to SL) (ft) 
Apprendix 1. 29

Appendix 1. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 1–10 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 6 7 8 9 10

American Petroleum Institute 

well number 16–049–18142 16–173–11507 16–165–29846 16–175–28019 16–237–30520

Lease name No. 1 M.W. Miller No. 16–1 Alvery Potter No. 1 Campbell No. 1 C.K. Stacy Heirs No. 1 Orville Banks

Permanent datum Ground level Ground level Ground level Ground level Ground level

Ground level elevation (ft) 940 977 1,118 805 1,028

Kelly bushing elevation (ft) 949 989 1,128 817 1,057

Measured from KB (9 ft APD) KB (12 ft APD) KB (10 ft APD) KB (12 ft APD) KB (29 ft APD)

Drill depth (ft) 3,425 4,481 6,787 7,587 12,323

KB elevation - GL elevation (ft) 9 12 10 12 29

Formation 44 Copper Ridge Dolomite 

(marker X1)

Copper Ridge Dolomite 

(equivalent to B zone?) 

(marker X1)

Beekmantown Dolomite

System or series Upper Cambrian Upper Cambrian Lower Ordovician

Formation top (relative to KB) (ft) -4,200 -4,660 -4,355

Formation top (relative to GL) (ft) -4,190 -4,648 -4,326

Formation top (relative to SL) (ft) -3,072 -3,843 -3,298

Formation 45 Copper Ridge Dolomite 

(equivalent to B zone?) 

(marker X1)

Copper Ridge Dolomite 

(marker Y)

Rose Run Sandstone

System or series Upper Cambrian Upper Cambrian Upper Cambrian

Formation top (relative to KB) (ft) -4,304 -5,100 -4,942

Formation top (relative to GL) (ft) -4,294 -5,088 -4,913

Formation top (relative to SL) (ft) -3,176 -4,283 -3,885

Formation 46 Copper Ridge Dolomite 

(marker Y)

Maynardville Limestone of the 

Conasauga Group

Copper Ridge Dolomite

System or series Upper Cambrian Upper Cambrian Upper Cambrian

Formation top (relative to KB) (ft) -4,742 -5,296 -5,196

Formation top (relative to GL) (ft) -4,732 -5,284 -5,167

Formation top (relative to SL) (ft) -3,614 -4,479 -4,139
30 Pamphlet B—Geologic Cross Section I–I′ Through the Appalachian Basin

Appendix 1. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 1–10 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 1 2 3 4 5 

American Petroleum Institute 

well number 16–111–24576 16–211–09113 16–005–00000 16–239–21801 16–049–10287 

Lease name No. 1 Dupont Plant Disposal No. 1 C.J. Morris No. 1 Ben Bond No. 1 Dudley Gaines No. 1 Paul Adams and 

Clarence Long 

Permanent datum Ground level Ground level Ground level Ground level Ground level 

Ground level elevation (ft) 452 763 760 852 930 

Kelly bushing elevation (ft) 462 763 760 859 931 

Measured from KB (10 ft APD) GL GL KB (7 ft APD) KB (1 ft APD) 

Drill depth (ft) 6,011 2,075 2,838 2,812 1,563 

KB elevation - GL elevation (ft) 10 0 0 7 1 

Formation 47 

System or series 

Formation top (relative to KB) (ft) 

Formation top (relative to GL) (ft) 

Formation top (relative to SL) (ft) 

Formation 48 

System or series 

Formation top (relative to KB) (ft) 

Formation top (relative to GL) (ft) 

Formation top (relative to SL) (ft) 

Formation 49 

System or series 

Formation top (relative to KB) (ft) 

Formation top (relative to GL) (ft) 

Formation top (relative to SL) (ft) 
Apprendix 1. 31

Appendix 1. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 1–10 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 6 7 8 9 10

American Petroleum Institute 

well number 16–049–18142 16–173–11507 16–165–29846 16–175–28019 16–237–30520

Lease name No. 1 M.W. Miller No. 16–1 Alvery Potter No. 1 Campbell No. 1 C.K. Stacy Heirs No. 1 Orville Banks

Permanent datum Ground level Ground level Ground level Ground level Ground level

Ground level elevation (ft) 940 977 1,118 805 1,028

Kelly bushing elevation (ft) 949 989 1,128 817 1,057

Measured from KB (9 ft APD) KB (12 ft APD) KB (10 ft APD) KB (12 ft APD) KB (29 ft APD)

Drill depth (ft) 3,425 4,481 6,787 7,587 12,323

KB elevation - GL elevation (ft) 9 12 10 12 29

Formation 47 Maynardville Limestone of the 

Conasauga Group

Nolichucky Shale of the 

Conasauga Group (shale)

Copper Ridge Dolomite 

(equivalent to B zone?) 

(marker X1)

System or series Upper Cambrian Upper Cambrian Upper Cambrian

Formation top (relative to KB) (ft) -4,940 -5,350 -5,550

Formation top (relative to GL) (ft) -4,930 -5,338 -5,521

Formation top (relative to SL) (ft) -3,812 -4,533 -4,493

Formation 48 Nolichucky Shale of the 

Conasauga Group

Nolichucky Shale (limestone) Copper Ridge Dolomite 

(marker Y)

System or series Upper Cambrian Upper Cambrian Upper Cambrian

Formation top (relative to KB) (ft) -4,988 -5,437 -6,258

Formation top (relative to GL) (ft) -4,978 -5,425 -6,229

Formation top (relative to SL) (ft) -3,860 -4,620 -5,201

Formation 49 Nolichucky Shale (limestone) Nolichucky Shale (shale) Maynardville Limestone of the 

Conasauga Formation

System or series Upper Cambrian Upper Cambrian Upper Cambrian

Formation top (relative to KB) (ft) -5,083 -5,500 -6,620

Formation top (relative to GL) (ft) -5,073 -5,488 -6,591

Formation top (relative to SL) (ft) -3,955 -4,683 -5,563
32 Pamphlet B—Geologic Cross Section I–I′ Through the Appalachian Basin

Appendix 1. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 1–10 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 1 2 3 4 5 

American Petroleum Institute 

well number 16–111–24576 16–211–09113 16–005–00000 16–239–21801 16–049–10287 

Lease name No. 1 Dupont Plant Disposal No. 1 C.J. Morris No. 1 Ben Bond No. 1 Dudley Gaines No. 1 Paul Adams and 

Clarence Long 

Permanent datum Ground level Ground level Ground level Ground level Ground level 

Ground level elevation (ft) 452 763 760 852 930 

Kelly bushing elevation (ft) 462 763 760 859 931 

Measured from KB (10 ft APD) GL GL KB (7 ft APD) KB (1 ft APD) 

Drill depth (ft) 6,011 2,075 2,838 2,812 1,563 

KB elevation - GL elevation (ft) 10 0 0 7 1 

Formation 50 

System or series 

Formation top (relative to KB) (ft) 

Formation top (relative to GL) (ft) 

Formation top (relative to SL) (ft) 

Formation 51 

System or series 

Formation top (relative to KB) (ft) 

Formation top (relative to GL) (ft) 

Formation top (relative to SL) (ft) 

Formation 52 

System or series 

Formation top (relative to KB) (ft) 

Formation top (relative to GL) (ft) 

Formation top (relative to SL) (ft) 
Apprendix 1. 33

Appendix 1. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 1–10 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 6 7 8 9 10

American Petroleum Institute 

well number 16–049–18142 16–173–11507 16–165–29846 16–175–28019 16–237–30520

Lease name No. 1 M.W. Miller No. 16–1 Alvery Potter No. 1 Campbell No. 1 C.K. Stacy Heirs No. 1 Orville Banks

Permanent datum Ground level Ground level Ground level Ground level Ground level

Ground level elevation (ft) 940 977 1,118 805 1,028

Kelly bushing elevation (ft) 949 989 1,128 817 1,057

Measured from KB (9 ft APD) KB (12 ft APD) KB (10 ft APD) KB (12 ft APD) KB (29 ft APD)

Drill depth (ft) 3,425 4,481 6,787 7,587 12,323

KB elevation - GL elevation (ft) 9 12 10 12 29

Formation 50 Nolichucky Shale (shale) Maryville Limestone of the 

Conasauga Group (dolomite and 

sandstone)

Nolichucky Shale of the 

Conasauga Group

System or series Upper Cambrian Middle and Upper Cambrian Upper Cambrian

Formation top (relative to KB) (ft) -5,146 -5,753 -6,690

Formation top (relative to GL) (ft) -5,136 -5,741 -6,661

Formation top (relative to SL) (ft) -4,018 -4,936 -5,633

Formation 51 Maryville Limestone of the 

Conasauga Group

Maryville Limestone of the 

Conasauga Group (limestone and 

sandstone)

Nolichucky Shale (limestone)

System or series Middle and Upper Cambrian Middle and Upper Cambrian Upper Cambrian

Formation top (relative to KB) (ft) -5,442 -6,000 -6,720

Formation top (relative to GL) (ft) -5,432 -5,988 -6,691

Formation top (relative to SL) (ft) -4,314 -5,183 -5,663

Formation 52 Rogersville Shale(?) of the 

Conasauga Group

Rogersville Shale(?) of the 

Conasauga Group

Nolichucky Shale (shale)

System or series Middle Cambrian Middle Cambrian Upper Cambrian

Formation top (relative to KB) (ft) -5,743 -6,170 -6,770

Formation top (relative to GL) (ft) -5,733 -6,158 -6,741

Formation top (relative to SL) (ft) -4,615 -5,353 -5,713
34 Pamphlet B—Geologic Cross Section I–I′ Through the Appalachian Basin

Appendix 1. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 1–10 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 1 2 3 4 5 

American Petroleum Institute 

well number 16–111–24576 16–211–09113 16–005–00000 16–239–21801 16–049–10287 

Lease name No. 1 Dupont Plant Disposal No. 1 C.J. Morris No. 1 Ben Bond No. 1 Dudley Gaines No. 1 Paul Adams and 

Clarence Long 

Permanent datum Ground level Ground level Ground level Ground level Ground level 

Ground level elevation (ft) 452 763 760 852 930 

Kelly bushing elevation (ft) 462 763 760 859 931 

Measured from KB (10 ft APD) GL GL KB (7 ft APD) KB (1 ft APD) 

Drill depth (ft) 6,011 2,075 2,838 2,812 1,563 

KB elevation - GL elevation (ft) 10 0 0 7 1 

Formation 53 

System or series 

Formation top (relative to KB) (ft) 

Formation top (relative to GL) (ft) 

Formation top (relative to SL) (ft) 

Formation 54 

System or series 

Formation top (relative to KB) (ft) 

Formation top (relative to GL) (ft) 

Formation top (relative to SL) (ft) 

Formation 55 

System or series 

Formation top (relative to KB) (ft) 

Formation top (relative to GL) (ft) 

Formation top (relative to SL) (ft) 

Formation 56 

System or series 

Formation top (relative to KB) (ft) 

Formation top (relative to GL) (ft) 

Formation top (relative to SL) (ft) 
Apprendix 1. 35

Appendix 1. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 1–10 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 6 7 8 9 10

American Petroleum Institute 

well number 16–049–18142 16–173–11507 16–165–29846 16–175–28019 16–237–30520

Lease name No. 1 M.W. Miller No. 16–1 Alvery Potter No. 1 Campbell No. 1 C.K. Stacy Heirs No. 1 Orville Banks

Permanent datum Ground level Ground level Ground level Ground level Ground level

Ground level elevation (ft) 940 977 1,118 805 1,028

Kelly bushing elevation (ft) 949 989 1,128 817 1,057

Measured from KB (9 ft APD) KB (12 ft APD) KB (10 ft APD) KB (12 ft APD) KB (29 ft APD)

Drill depth (ft) 3,425 4,481 6,787 7,587 12,323

KB elevation - GL elevation (ft) 9 12 10 12 29

Formation 53 Rome Formation Rome Formation Nolichucky Shale (limestone)

System or series Lower and Middle Cambrian Lower and Middle Cambrian Upper Cambrian

Formation top (relative to KB) (ft) -5,810 -6,274 -6,890

Formation top (relative to GL) (ft) -5,800 -6,262 -6,861

Formation top (relative to SL) (ft) -4,682 -5,457 -5,833

Formation 54 Shady Dolomite Shady Dolomite Nolichucky Shale (shale)

System or series Lower Cambrian Lower Cambrian Upper Cambrian

Formation top (relative to KB) (ft) -6,652 -7,368 -7,198

Formation top (relative to GL) (ft) -6,642 -7,356 -7,169

Formation top (relative to SL) (ft) -5,524 -6,551 -6,141

Formation 55 Amphibolite schist Granite and (or) gneiss Maryville Limestone of the 

Conasauga Group

System or series Mesoproterozoic Mesoproterozoic Middle and Upper Cambrian

Formation top (relative to KB) (ft) -6,710 -7,460 -7,612

Formation top (relative to GL) (ft) -6,700 -7,448 -7,583

Formation top (relative to SL) (ft) -5,582 -6,643 -6,555

Formation 56 Maryville Limestone of the 

Conasauga Group (shale)

System or series Middle and Upper Cambrian

Formation top (relative to KB) (ft) -7,850

Formation top (relative to GL) (ft) -7,821

Formation top (relative to SL) (ft) -6,793
36 Pamphlet B—Geologic Cross Section I–I′ Through the Appalachian Basin

Appendix 1. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 1–10 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 1 2 3 4 5 

American Petroleum Institute 

well number 16–111–24576 16–211–09113 16–005–00000 16–239–21801 16–049–10287 

Lease name No. 1 Dupont Plant Disposal No. 1 C.J. Morris No. 1 Ben Bond No. 1 Dudley Gaines No. 1 Paul Adams and 

Clarence Long 

Permanent datum Ground level Ground level Ground level Ground level Ground level 

Ground level elevation (ft) 452 763 760 852 930 

Kelly bushing elevation (ft) 462 763 760 859 931 

Measured from KB (10 ft APD) GL GL KB (7 ft APD) KB (1 ft APD) 

Drill depth (ft) 6,011 2,075 2,838 2,812 1,563 

KB elevation - GL elevation (ft) 10 0 0 7 1 

Formation 57 

System or series 

Formation top (relative to KB) (ft) 

Formation top (relative to GL) (ft) 

Formation top (relative to SL) (ft) 

Formation 58 

System or series 

Formation top (relative to KB) (ft) 

Formation top (relative to GL) (ft) 

Formation top (relative to SL) (ft) 

Formation 59 

System or series 

Formation top (relative to KB) (ft) 

Formation top (relative to GL) (ft) 

Formation top (relative to SL) (ft) 
Apprendix 1. 37

Appendix 1. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 1–10 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 6 7 8 9 10

American Petroleum Institute 

well number 16–049–18142 16–173–11507 16–165–29846 16–175–28019 16–237–30520

Lease name No. 1 M.W. Miller No. 16–1 Alvery Potter No. 1 Campbell No. 1 C.K. Stacy Heirs No. 1 Orville Banks

Permanent datum Ground level Ground level Ground level Ground level Ground level

Ground level elevation (ft) 940 977 1,118 805 1,028

Kelly bushing elevation (ft) 949 989 1,128 817 1,057

Measured from KB (9 ft APD) KB (12 ft APD) KB (10 ft APD) KB (12 ft APD) KB (29 ft APD)

Drill depth (ft) 3,425 4,481 6,787 7,587 12,323

KB elevation - GL elevation (ft) 9 12 10 12 29

Formation 57 Maryville Limestone of the 

Conasauga Group (limestone)

System or series Middle and Upper Cambrian

Formation top (relative to KB) (ft) -8,050

Formation top (relative to GL) (ft) -8,021

Formation top (relative to SL) (ft) -6,993

Formation 58 Rogersville Shale of the 

Conasauga Group

System or series Middle Cambrian

Formation top (relative to KB) (ft) -8,595

Formation top (relative to GL) (ft) -8,566

Formation top (relative to SL) (ft) -7,538

Formation 59 Conasauga Group (equivalent to 

Rutledge Limestone) (unnamed 

sandstone and shale)

System or series Middle Cambrian

Formation top (relative to KB) (ft) -9,000

Formation top (relative to GL) (ft) -8,971

Formation top (relative to SL) (ft) -7,943
38 Pamphlet B—Geologic Cross Section I–I′ Through the Appalachian Basin

Appendix 1. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 1–10 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 1 2 3 4 5 

American Petroleum Institute 

well number 16–111–24576 16–211–09113 16–005–00000 16–239–21801 16–049–10287 

Lease name No. 1 Dupont Plant Disposal No. 1 C.J. Morris No. 1 Ben Bond No. 1 Dudley Gaines No. 1 Paul Adams and 

Clarence Long 

Permanent datum Ground level Ground level Ground level Ground level Ground level 

Ground level elevation (ft) 452 763 760 852 930 

Kelly bushing elevation (ft) 462 763 760 859 931 

Measured from KB (10 ft APD) GL GL KB (7 ft APD) KB (1 ft APD) 

Drill depth (ft) 6,011 2,075 2,838 2,812 1,563 

KB elevation - GL elevation (ft) 10 0 0 7 1 

Formation 60 

System or series 

Formation top (relative to KB) (ft) 

Formation top (relative to GL) (ft) 

Formation top (relative to SL) (ft) 

Formation 61 

System or series 

Formation top (relative to KB) (ft) 

Formation top (relative to GL) (ft) 

Formation top (relative to SL) (ft) 

Formation 62 

System or series 

Formation top (relative to KB) (ft) 

Formation top (relative to GL) (ft) 

Formation top (relative to SL) (ft) 
Apprendix 1. 39

Appendix 1. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 1–10 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 6 7 8 9 10

American Petroleum Institute 

well number 16–049–18142 16–173–11507 16–165–29846 16–175–28019 16–237–30520

Lease name No. 1 M.W. Miller No. 16–1 Alvery Potter No. 1 Campbell No. 1 C.K. Stacy Heirs No. 1 Orville Banks

Permanent datum Ground level Ground level Ground level Ground level Ground level

Ground level elevation (ft) 940 977 1,118 805 1,028

Kelly bushing elevation (ft) 949 989 1,128 817 1,057

Measured from KB (9 ft APD) KB (12 ft APD) KB (10 ft APD) KB (12 ft APD) KB (29 ft APD)

Drill depth (ft) 3,425 4,481 6,787 7,587 12,323

KB elevation - GL elevation (ft) 9 12 10 12 29

Formation 60 Conasauga Group (equivalent 

to Pumpkin Valley Shale) 

(unnamed shale and sandstone)

System or series Middle Cambrian

Formation top (relative to KB) (ft) -9,450

Formation top (relative to GL) (ft) -9,421

Formation top (relative to SL) (ft) -8,393

Formation 61 Conasauga Group (equivalent 

to Pumpkin Valley Shale) 

(unnamed shale and limestone)

System or series Middle Cambrian

Formation top (relative to KB) (ft) -9,550

Formation top (relative to GL) (ft) -9,521

Formation top (relative to SL) (ft) -8,493

Formation 62 Conasauga Group (equivalent 

to Pumpkin Valley Shale) 

(unnamed sandstone)

System or series Middle Cambrian

Formation top (relative to KB) (ft) -9,620

Formation top (relative to GL) (ft) -9,591

Formation top (relative to SL) (ft) -8,563
40 Pamphlet B—Geologic Cross Section I–I′ Through the Appalachian Basin

Appendix 1. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 1–10 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 1 2 3 4 5 

American Petroleum Institute 

well number 16–111–24576 16–211–09113 16–005–00000 16–239–21801 16–049–10287 

Lease name No. 1 Dupont Plant Disposal No. 1 C.J. Morris No. 1 Ben Bond No. 1 Dudley Gaines No. 1 Paul Adams and 

Clarence Long 

Permanent datum Ground level Ground level Ground level Ground level Ground level 

Ground level elevation (ft) 452 763 760 852 930 

Kelly bushing elevation (ft) 462 763 760 859 931 

Measured from KB (10 ft APD) GL GL KB (7 ft APD) KB (1 ft APD) 

Drill depth (ft) 6,011 2,075 2,838 2,812 1,563 

KB elevation - GL elevation (ft) 10 0 0 7 1 

Formation 63 

System or series 

Formation top (relative to KB) (ft) 

Formation top (relative to GL) (ft) 

Formation top (relative to SL) (ft) 

Formation 64 

System or series 

Formation top (relative to KB) (ft) 

Formation top (relative to GL) (ft) 

Formation top (relative to SL) (ft) 

Formation 65 

System or series 

Formation top (relative to KB) (ft) 

Formation top (relative to GL) (ft) 

Formation top (relative to SL) (ft) 

Formation 66 

System or series 

Formation top (relative to KB) (ft) 

Formation top (relative to GL) (ft) 

Formation top (relative to SL) (ft) 
Apprendix 1. 41

Appendix 1. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 1–10 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 6 7 8 9 10

American Petroleum Institute 

well number 16–049–18142 16–173–11507 16–165–29846 16–175–28019 16–237–30520

Lease name No. 1 M.W. Miller No. 16–1 Alvery Potter No. 1 Campbell No. 1 C.K. Stacy Heirs No. 1 Orville Banks

Permanent datum Ground level Ground level Ground level Ground level Ground level

Ground level elevation (ft) 940 977 1,118 805 1,028

Kelly bushing elevation (ft) 949 989 1,128 817 1,057

Measured from KB (9 ft APD) KB (12 ft APD) KB (10 ft APD) KB (12 ft APD) KB (29 ft APD)

Drill depth (ft) 3,425 4,481 6,787 7,587 12,323

KB elevation - GL elevation (ft) 9 12 10 12 29

Formation 63 Conasauga Group (equivalent 

to Pumpkin Valley Shale) 

(unnamed shale and sandstone)

System or series Middle Cambrian

Formation top (relative to KB) (ft) -9,718

Formation top (relative to GL) (ft) -9,689

Formation top (relative to SL) (ft) -8,661

Formation 64 Rome Formation (limestone)

System or series Middle Cambrian

Formation top (relative to KB) (ft) -9,860

Formation top (relative to GL) (ft) -9,831

Formation top (relative to SL) (ft) -8,803

Formation 65 Rome Formation (shale and 

limestone)

System or series Lower(?) and Middle Cambrian

Formation top (relative to KB) (ft) -10,194

Formation top (relative to GL) (ft) -10,165

Formation top (relative to SL) (ft) -9,137

Formation 66 Rome Formation (sandstone and 

shale)

System or series Lower(?) and Middle Cambrian

Formation top (relative to KB) (ft) -10,698

Formation top (relative to GL) (ft) -10,669

Formation top (relative to SL) (ft) -9,641
42 Pamphlet B—Geologic Cross Section I–I′ Through the Appalachian Basin

Appendix 1. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 1–10 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 1 2 3 4 5 

American Petroleum Institute 

well number 16–111–24576 16–211–09113 16–005–00000 16–239–21801 16–049–10287 

Lease name No. 1 Dupont Plant Disposal No. 1 C.J. Morris No. 1 Ben Bond No. 1 Dudley Gaines No. 1 Paul Adams and 

Clarence Long 

Permanent datum Ground level Ground level Ground level Ground level Ground level 

Ground level elevation (ft) 452 763 760 852 930 

Kelly bushing elevation (ft) 462 763 760 859 931 

Measured from KB (10 ft APD) GL GL KB (7 ft APD) KB (1 ft APD) 

Drill depth (ft) 6,011 2,075 2,838 2,812 1,563 

KB elevation - GL elevation (ft) 10 0 0 7 1 

Formation 67 

System or series 

Formation top (relative to KB) (ft) 

Formation top (relative to GL) (ft) 

Formation top (relative to SL) (ft) 

Formation 68 

System or series 

Formation top (relative to KB) (ft) 

Formation top (relative to GL) (ft) 

Formation top (relative to SL) (ft) 

Formation 69 

System or series 

Formation top (relative to KB) (ft) 

Formation top (relative to GL) (ft) 

Formation top (relative to SL) (ft) 

Formation 70 

System or series 

Formation top (relative to KB) (ft) 

Formation top (relative to GL) (ft) 

Formation top (relative to SL) (ft) 
Apprendix 1. 43

Appendix 1. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 1–10 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 6 7 8 9 10

American Petroleum Institute 

well number 16–049–18142 16–173–11507 16–165–29846 16–175–28019 16–237–30520

Lease name No. 1 M.W. Miller No. 16–1 Alvery Potter No. 1 Campbell No. 1 C.K. Stacy Heirs No. 1 Orville Banks

Permanent datum Ground level Ground level Ground level Ground level Ground level

Ground level elevation (ft) 940 977 1,118 805 1,028

Kelly bushing elevation (ft) 949 989 1,128 817 1,057

Measured from KB (9 ft APD) KB (12 ft APD) KB (10 ft APD) KB (12 ft APD) KB (29 ft APD)

Drill depth (ft) 3,425 4,481 6,787 7,587 12,323

KB elevation - GL elevation (ft) 9 12 10 12 29

Formation 67 Rome Formation (limestone and 

dolomite)

System or series Lower(?) and Middle Cambrian

Formation top (relative to KB) (ft) -11,420

Formation top (relative to GL) (ft) -11,391

Formation top (relative to SL) (ft) -10,363

Formation 68 Rome Formation (sandstone and 

shale)

System or series Lower(?) and Middle Cambrian

Formation top (relative to KB) (ft) -11,450

Formation top (relative to GL) (ft) -11,421

Formation top (relative to SL) (ft) -10,393

Formation 69 Rome Formation (limestone and 

dolomite)

System or series Lower(?) and Middle Cambrian

Formation top (relative to KB) (ft) -11,814

Formation top (relative to GL) (ft) -11,785

Formation top (relative to SL) (ft) -10,757

Formation 70 Rome Formation (shale and 

sandstone)

System or series Lower(?) and Middle Cambrian

Formation top (relative to KB) (ft) -11,870

Formation top (relative to GL) (ft) -11,841

Formation top (relative to SL) (ft) -10,813
44 Pamphlet B—Geologic Cross Section I–I′ Through the Appalachian Basin

Appendix 1. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 1–10 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 1 2 3 4 5 

American Petroleum Institute 

well number 16–111–24576 16–211–09113 16–005–00000 16–239–21801 16–049–10287 

Lease name No. 1 Dupont Plant Disposal No. 1 C.J. Morris No. 1 Ben Bond No. 1 Dudley Gaines No. 1 Paul Adams and 

Clarence Long 

Permanent datum Ground level Ground level Ground level Ground level Ground level 

Ground level elevation (ft) 452 763 760 852 930 

Kelly bushing elevation (ft) 462 763 760 859 931 

Measured from KB (10 ft APD) GL GL KB (7 ft APD) KB (1 ft APD) 

Drill depth (ft) 6,011 2,075 2,838 2,812 1,563 

KB elevation - GL elevation (ft) 10 0 0 7 1 

Formation 71 

System or series 

Formation top (relative to KB) (ft) 

Formation top (relative to GL) (ft) 

Formation top (relative to SL) (ft) 

Formation 72 

System or series 

Formation top (relative to KB) (ft) 

Formation top (relative to GL) (ft) 

Formation top (relative to SL) (ft) 

Formation 73 

System or series 

Formation top (relative to KB) (ft) 

Formation top (relative to GL) (ft) 

Formation top (relative to SL) (ft) 

Formation 74 

System or series 

Formation top (relative to KB) (ft) 

Formation top (relative to GL) (ft) 

Formation top (relative to SL) (ft) 
Apprendix 1. 45

Appendix 1. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 1–10 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 6 7 8 9 10

American Petroleum Institute 

well number 16–049–18142 16–173–11507 16–165–29846 16–175–28019 16–237–30520

Lease name No. 1 M.W. Miller No. 16–1 Alvery Potter No. 1 Campbell No. 1 C.K. Stacy Heirs No. 1 Orville Banks

Permanent datum Ground level Ground level Ground level Ground level Ground level

Ground level elevation (ft) 940 977 1,118 805 1,028

Kelly bushing elevation (ft) 949 989 1,128 817 1,057

Measured from KB (9 ft APD) KB (12 ft APD) KB (10 ft APD) KB (12 ft APD) KB (29 ft APD)

Drill depth (ft) 3,425 4,481 6,787 7,587 12,323

KB elevation - GL elevation (ft) 9 12 10 12 29

Formation 71 Shady Dolomite

System or series Lower Cambrian

Formation top (relative to KB) (ft) -12,053

Formation top (relative to GL) (ft) -12,024

Formation top (relative to SL) (ft) -10,996

Formation 72 Chilhowee Group (basal 

sandstone)

System or series Lower Cambrian

Formation top (relative to KB) (ft) -12,170

Formation top (relative to GL) (ft) -12,141

Formation top (relative to SL) (ft) -11,113

Formation 73 Granite and (or) gneiss

System or series Mesoproterozoic

Formation top (relative to KB) (ft) -12,248

Formation top (relative to GL) (ft) -12,219

Formation top (relative to SL) (ft) -11,191

Formation 74

System or series

Formation top (relative to KB) (ft)

Formation top (relative to GL) (ft)

Formation top (relative to SL) (ft)
46 Pamphlet B—Geologic Cross Section I–I′ Through the Appalachian Basin

Appendix 1. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 1–10 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 1 2 3 4 5 

American Petroleum Institute 

well number 16–111–24576 16–211–09113 16–005–00000 16–239–21801 16–049–10287 

Lease name No. 1 Dupont Plant Disposal No. 1 C.J. Morris No. 1 Ben Bond No. 1 Dudley Gaines No. 1 Paul Adams and 

Clarence Long 

Permanent datum Ground level Ground level Ground level Ground level Ground level 

Ground level elevation (ft) 452 763 760 852 930 

Kelly bushing elevation (ft) 462 763 760 859 931 

Measured from KB (10 ft APD) GL GL KB (7 ft APD) KB (1 ft APD) 

Drill depth (ft) 6,011 2,075 2,838 2,812 1,563 

KB elevation - GL elevation (ft) 10 0 0 7 1 

Formation 75 

System or series 

Formation top (relative to KB) (ft) 

Formation top (relative to GL) (ft) 

Formation top (relative to SL) (ft) 

Formation 76 

System or series 

Formation top (relative to KB) (ft) 

Formation top (relative to GL) (ft) 

Formation top (relative to SL) (ft) 

Formation 77 

System or series 

Formation top (relative to KB) (ft) 

Formation top (relative to GL) (ft) 

Formation top (relative to SL) (ft) 

Formation 78 

System or series 

Formation top (relative to KB) (ft) 

Formation top (relative to GL) (ft) 

Formation top (relative to SL) (ft) 
Apprendix 1. 47

Appendix 1. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 1–10 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 6 7 8 9 10

American Petroleum Institute 

well number 16–049–18142 16–173–11507 16–165–29846 16–175–28019 16–237–30520

Lease name No. 1 M.W. Miller No. 16–1 Alvery Potter No. 1 Campbell No. 1 C.K. Stacy Heirs No. 1 Orville Banks

Permanent datum Ground level Ground level Ground level Ground level Ground level

Ground level elevation (ft) 940 977 1,118 805 1,028

Kelly bushing elevation (ft) 949 989 1,128 817 1,057

Measured from KB (9 ft APD) KB (12 ft APD) KB (10 ft APD) KB (12 ft APD) KB (29 ft APD)

Drill depth (ft) 3,425 4,481 6,787 7,587 12,323

KB elevation - GL elevation (ft) 9 12 10 12 29

Formation 75

System or series

Formation top (relative to KB) (ft)

Formation top (relative to GL) (ft)

Formation top (relative to SL) (ft)

Formation 76

System or series

Formation top (relative to KB) (ft)

Formation top (relative to GL) (ft)

Formation top (relative to SL) (ft)

Formation 77

System or series

Formation top (relative to KB) (ft)

Formation top (relative to GL) (ft)

Formation top (relative to SL) (ft)

Formation 78

System or series

Formation top (relative to KB) (ft)

Formation top (relative to GL) (ft)

Formation top (relative to SL) (ft)

Appendix 2. Table Summarizing Stratigraphic Units and Depths of 

Stratigraphic Units for Drill Holes 11–19 in Cross Section I–I′

Blank cells indicate no formation was encountered in the drill hole.
50 Pamphlet B—Geologic Cross Section I–I′ Through the Appalachian Basin

Appendix 2. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 11–19 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 11 12 13 14 15 

American Petroleum Institute 

well number 16–025–00745 16–071–27524 16–195–24577 16–195–18969 45–051–20238 

Lease name No. 8613T S.W. (B.) Williams No. 1 Hall No. 1 Stratton No. 201 Kentland Coal and Coke 

Company No. 20321–T Mullins Heirs 

Permanent datum Ground level Ground level Ground level Ground level Ground level 

Ground level elevation (ft) 762 676.5 1,177 1,352.42 1,519 

Kelly bushing elevation (ft) 774 700 1,199 1,360.42 1,536 

Measured from KB (12 ft APD) KB (23.5 ft APD) KB (22 ft APD) KB (8 ft APD) KB (17 ft APD) 

Drill depth (ft) 11,130 13,035 12,471 4,990 9,374 

KB elevation - GL elevation (ft) 12 23.5 22 8 17 

Formation 1 Hyden Formation of the 

Breathitt Group

Pikeville Formation of the 

Breathitt Group

Pikeville Formation of the 

Breathitt Group

Pikeville Formation of the 

Breathitt Group

Norton Formation (shale and 

sandstone)

System or series Lower Pennsylvanian Lower Pennsylvanian Lower Pennsylvanian Lower Pennsylvanian Lower Pennsylvanian 

Formation top (relative to KB) (ft) -12 -23.5 -22 -8 -17 

Formation top (relative to GL) (ft) 0 0 0 0 0 

Formation top (relative to SL) (ft) 762 676.5 1,177 1,352.42 1,519 

Formation 2 Pikeville Formation of the 

Breathitt Group

Corbin Sandstone Member of the 

Grundy Formation

Corbin Sandstone Member of the 

Grundy Formation

Corbin Sandstone Member of the 

Grundy Formation (equivalent to 

Gladeville Sandstone)

Norton Formation (unnamed 

sandstone)

System or series Lower Pennsylvanian Lower Pennsylvanian Lower Pennsylvanian Lower Pennsylvanian Lower Pennsylvanian 

Formation top (relative to KB) (ft) -100 -26 -421 -100 -180 

Formation top (relative to GL) (ft) -88 -2.5 -399 -92 -163 

Formation top (relative to SL) (ft) 674 674 778 1,260.42 1,356 

Formation 3 Corbin Sandstone Member of the 

Grundy Formation

Grundy Formation of the 

Breathitt Group (coal-bearing 

lower part)

Grundy Formation of the 

Breathitt Group (coal-bearing 

lower part)

Grundy Formation of the 

Breathitt Group (coal-bearing 

shale)

Norton Formation (shale and 

sandstone)

System or series Lower Pennsylvanian Lower Pennsylvanian Lower Pennsylvanian Lower Pennsylvanian Lower Pennsylvanian 

Formation top (relative to KB) (ft) -383 -220 -664 -275 -294 

Formation top (relative to GL) (ft) -371 -196.5 -642 -267 -277 

Formation top (relative to SL) (ft) 391 480 535 1,085.42 1,242 
Appendix 2. 51

Appendix 2. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 11–19 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 16 17 18 19

American Petroleum Institute 

well number 45–027–20147 45–027–04032 45–167–20256 45–169–19690

Lease name No. 9781–T Pittston Company No. 9722–T John W. Pobst and others No. 1 N.R. Price No. 1 E.D. Smith

Permanent datum Ground level Ground level Ground level Ground level

Ground level elevation (ft) 1,567.97 1,670.86 2,205 1,456.30

Kelly bushing elevation (ft) 1,579.97 1,682.86 2,238 1,467.50

Measured from KB (12 ft APD) KB (12 ft APD) KB (33 ft APD) KB (11.2 ft APD)

Drill depth (ft) 6,798 7,299 17,000 7,222

KB elevation - GL elevation (ft) 12 12 33 11.2

Formation 1 Norton Formation (shale and sandstone) Norton Formation (shale and sandstone) Copper Ridge Dolomite of the 

Knox Group

Gasper Limestone of the 

Greenbrier Group

System or series Lower Pennsylvanian Lower Pennsylvanian Upper Cambrian Upper Mississippian

Formation top (relative to KB) (ft) -12 -12 -33 -11.2

Formation top (relative to GL) (ft) 0 0 0 0

Formation top (relative to SL) (ft) 1,567.97 1,670.86 2,205 1,456.30

Formation 2 Norton Formation (unnamed sandstone) Norton Formation (McClure Sandstone 

Member) (equivalent to Bee Rock 

Sandstone)

Maynardville Limestone Gasper Limestone of the Greenbrier 

Group (equivalent to Taggard Shale?)

System or series Lower Pennsylvanian Lower Pennsylvanian Upper Cambrian Upper Mississippian

Formation top (relative to KB) (ft) -120 -235 -160 -815

Formation top (relative to GL) (ft) -108 -223 -127 -803.8

Formation top (relative to SL) (ft) 1,459.97 1,447.86 2,078 652.5

Formation 3 Norton Formation (shale and sandstone) Norton Formation (shale and sandstone) Nolichucky Shale Ste. Genevieve Limestone of the 

Greenbrier Group (middle sandstone and 

siltstone)

System or series Lower Pennsylvanian Lower Pennsylvanian Upper Cambrian Middle and Upper Mississippian

Formation top (relative to KB) (ft) -196 -372 -390 -1,030

Formation top (relative to GL) (ft) -184 -360 -357 -1,019

Formation top (relative to SL) (ft) 1,383.97 1,310.86 1,848 437.5
52 Pamphlet B—Geologic Cross Section I–I′ Through the Appalachian Basin

Appendix 2. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 11–19 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 11 12 13 14 15 

American Petroleum Institute 

well number 16–025–00745 16–071–27524 16–195–24577 16–195–18969 45–051–20238 

Lease name No. 8613T S.W. (B.) Williams No. 1 Hall No. 1 Stratton No. 201 Kentland Coal and Coke 

Company No. 20321–T Mullins Heirs 

Permanent datum Ground level Ground level Ground level Ground level Ground level 

Ground level elevation (ft) 762 676.5 1,177 1,352.42 1,519 

Kelly bushing elevation (ft) 774 700 1,199 1,360.42 1,536 

Measured from KB (12 ft APD) KB (23.5 ft APD) KB (22 ft APD) KB (8 ft APD) KB (17 ft APD) 

Drill depth (ft) 11,130 13,035 12,471 4,990 9,374 

KB elevation - GL elevation (ft) 12 23.5 22 8 17 

Formation 4 Grundy Formation of the 

Breathitt Group (coal-bearing 

lower part)

Bee Rock Sandstone of the 

Breathitt Group

Bee Rock Sandstone of the 

Breathitt Group

Grundy Formation of the 

Breathitt Group (equivalent 

to unnamed sandstone of 

Norton Formation?) (Hazel 

Patch sandstone?) (unnamed 

sandstone)

Bee Rock Member of Lee 

Formation (upper quartzarenite 

member of Mitchell, 1982)

System or series Lower Pennsylvanian Lower Pennsylvanian Lower Pennsylvanian Lower Pennsylvanian Lower Pennsylvanian 

Formation top (relative to KB) (ft) -525 -485 -830 -425 -398 

Formation top (relative to GL) (ft) -513 -461.5 -808 -417 -381 

Formation top (relative to SL) (ft) 249 215 369 935.42 1,138 

Formation 5 Bee Rock Sandstone of the 

Breathitt Group

Alvy Creek Formation of the 

Breathitt Group

Alvy Creek Formation of the 

Breathitt Group

Grundy Formation of the 

Breathitt Group (coal-bearing 

shale and sandstone)

Hensley Member of Lee 

Formation (shale and sandstone)

System or series Lower Pennsylvanian Lower Pennsylvanian Lower Pennsylvanian Lower Pennsylvanian Lower Pennsylvanian 

Formation top (relative to KB) (ft) -670 -650 -1,110 -620 -684 

Formation top (relative to GL) (ft) -658 -626.5 -1,088 -612 -667 

Formation top (relative to SL) (ft) 104 50 89 740.42 852 
Appendix 2. 53

Appendix 2. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 11–19 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 16 17 18 19

American Petroleum Institute 

well number 45–027–20147 45–027–04032 45–167–20256 45–169–19690

Lease name No. 9781–T Pittston Company No. 9722–T John W. Pobst and others No. 1 N.R. Price No. 1 E.D. Smith

Permanent datum Ground level Ground level Ground level Ground level

Ground level elevation (ft) 1,567.97 1,670.86 2,205 1,456.30

Kelly bushing elevation (ft) 1,579.97 1,682.86 2,238 1,467.50

Measured from KB (12 ft APD) KB (12 ft APD) KB (33 ft APD) KB (11.2 ft APD)

Drill depth (ft) 6,798 7,299 17,000 7,222

KB elevation - GL elevation (ft) 12 12 33 11.2

Formation 4 Bee Rock Member of Lee Formation 

(upper quartzarenite member of Mitchell, 

1982)

Middlesboro Member of Lee Formation 

(equivalent to Sewanee Sandstone) 

(middle quartzarenite member of Mitchell 

(1982) and upper quartzarenite of 

Nolde (1994)) (upper sandstone) 

Honaker Dolomite (probable thrust fault 

near 1,200 ft)

Ste. Genevieve Limestone of the 

Greenbrier Group (limestone)

System or series Lower Pennsylvanian Lower Pennsylvanian Middle and Upper Cambrian Middle and Upper Mississippian

Formation top (relative to KB) (ft) -360 -800 -870 -1,670

Formation top (relative to GL) (ft) -348 -788 -837 -1,658.8

Formation top (relative to SL) (ft) 1,219.97 882.86 1,368 -202.5

Formation 5 Hensley Member of Lee Formation (shale 

and sandstone)

Middlesboro Member of Lee Formation 

(equivalent to Bottom Creek Formation) 

(sandstone and shale)

Rome Formation (probable thrust fault 

near 2,250 ft below GL)

Hillsdale Limestone of the Greenbrier 

Group

System or series Lower Pennsylvanian Lower Pennsylvanian Lower(?) and Middle Cambrian Upper Mississippian

Formation top (relative to KB) (ft) -608 -1,013 -1,950 -2,327

Formation top (relative to GL) (ft) -596 -1,001 -1,917 -2,315.8

Formation top (relative to SL) (ft) 971.97 669.86 288 -859.5
54 Pamphlet B—Geologic Cross Section I–I′ Through the Appalachian Basin

Appendix 2. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 11–19 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 11 12 13 14 15 

American Petroleum Institute 

well number 16–025–00745 16–071–27524 16–195–24577 16–195–18969 45–051–20238 

Lease name No. 8613T S.W. (B.) Williams No. 1 Hall No. 1 Stratton No. 201 Kentland Coal and Coke 

Company No. 20321–T Mullins Heirs 

Permanent datum Ground level Ground level Ground level Ground level Ground level 

Ground level elevation (ft) 762 676.5 1,177 1,352.42 1,519 

Kelly bushing elevation (ft) 774 700 1,199 1,360.42 1,536 

Measured from KB (12 ft APD) KB (23.5 ft APD) KB (22 ft APD) KB (8 ft APD) KB (17 ft APD) 

Drill depth (ft) 11,130 13,035 12,471 4,990 9,374 

KB elevation - GL elevation (ft) 12 23.5 22 8 17 

Formation 6 Pennington Formation Sewanee Sandstone of the 

Breathitt Group

Sewanee Sandstone of the 

Breathitt Group

Bee Rock Sandstone of the 

Breathitt Group

Middlesboro Member of Lee 

Formation (equivalent to 

Sewanee Sandstone) (middle 

quartzarenite member of 

Mitchell (1982) and upper 

quartzarenite of Nolde (1994)) 

(upper sandstone)

System or series Upper Mississippian Lower Pennsylvanian Lower Pennsylvanian Lower Pennsylvanian Lower Pennsylvanian 

Formation top (relative to KB) (ft) -860 -790 -1,170 -741 -908 

Formation top (relative to GL) (ft) -848 -766.5 -1,148 -733 -891 

Formation top (relative to SL) (ft) -86 -90 29 619.42 628 

Formation 7 Newman Limestone (upper 

part) (equivalent to Bluefield 

Formation)

Pennington Formation 

(equivalent to Pride Shale 

Member of the Bluestone 

Formation) (black shale)

Pennington Formation 

(equivalent to Pride Shale 

Member of the Bluestone 

Formation) (gray shale)

Alvy Creek Formation of the 

Breathitt Group

Middlesboro Member of Lee 

Formation (equivalent to Bottom 

Creek Formation) (sandstone 

and shale) 

System or series Upper Mississippian Upper Mississippian Upper Mississippian Lower Pennsylvanian Lower Pennsylvanian 

Formation top (relative to KB) (ft) -1,032 -860 -1,470 -960 -1,350 

Formation top (relative to GL) (ft) -1,020 -836.5 -1,448 -952 -1,333 

Formation top (relative to SL) (ft) -258 -160 -271 400.42 186 
Appendix 2. 55

Appendix 2. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 11–19 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 16 17 18 19

American Petroleum Institute 

well number 45–027–20147 45–027–04032 45–167–20256 45–169–19690

Lease name No. 9781–T Pittston Company No. 9722–T John W. Pobst and others No. 1 N.R. Price No. 1 E.D. Smith

Permanent datum Ground level Ground level Ground level Ground level

Ground level elevation (ft) 1,567.97 1,670.86 2,205 1,456.30

Kelly bushing elevation (ft) 1,579.97 1,682.86 2,238 1,467.50

Measured from KB (12 ft APD) KB (12 ft APD) KB (33 ft APD) KB (11.2 ft APD)

Drill depth (ft) 6,798 7,299 17,000 7,222

KB elevation - GL elevation (ft) 12 12 33 11.2

Formation 6 Middlesboro Member of Lee Formation 

(equivalent to Sewanee Sandstone) 

(middle quartzarenite member of 

Mitchell (1982) and upper quartzarenite 

of Nolde (1994)) (upper sandstone)

Middlesboro Member of Lee Formation 

(equivalent to Warren Point Sandstone) 

(lower quartzarenite member of Mitchell 

(1982) and lower quartzarenite of Nolde 

(1994)) (lower sandstone)

Copper Ridge Dolomite of the Knox 

Group (St. Paul (Hunter Valley) thrust 

fault at top)

Little Valley Limestone of the Greenbrier 

Group (limestone and shale)

System or series Lower Pennsylvanian Lower Pennsylvanian Upper Cambrian Middle Mississippian

Formation top (relative to KB) (ft) -890 -1,552 -2,720 -2,593

Formation top (relative to GL) (ft) -878 -1,540 -2,687 -2,581.8

Formation top (relative to SL) (ft) 689.97 130.86 -482 -1,125.5

Formation 7 Middlesboro Member of Lee Formation 

(equivalent to Bottom Creek Formation) 

(sandstone and shale)

Pocahontas Formation Maynardville Limestone Little Valley Limestone of the Greenbrier 

Group (siltstone)

System or series Lower Pennsylvanian Lower Pennsylvanian Upper Cambrian Middle Mississippian

Formation top (relative to KB) (ft) -1,237 -1,750 -3,590 -3,210

Formation top (relative to GL) (ft) -1,225 -1,738 -3,557 -3,198.8

Formation top (relative to SL) (ft) 342.97 -67.14 -1,352 -1,742.5
56 Pamphlet B—Geologic Cross Section I–I′ Through the Appalachian Basin

Appendix 2. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 11–19 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 11 12 13 14 15 

American Petroleum Institute 

well number 16–025–00745 16–071–27524 16–195–24577 16–195–18969 45–051–20238 

Lease name No. 8613T S.W. (B.) Williams No. 1 Hall No. 1 Stratton No. 201 Kentland Coal and Coke 

Company No. 20321–T Mullins Heirs 

Permanent datum Ground level Ground level Ground level Ground level Ground level 

Ground level elevation (ft) 762 676.5 1,177 1,352.42 1,519 

Kelly bushing elevation (ft) 774 700 1,199 1,360.42 1,536 

Measured from KB (12 ft APD) KB (23.5 ft APD) KB (22 ft APD) KB (8 ft APD) KB (17 ft APD) 

Drill depth (ft) 11,130 13,035 12,471 4,990 9,374 

KB elevation - GL elevation (ft) 12 23.5 22 8 17 

Formation 8 Newman Limestone (equivalent 

to Greenbrier Limestone)

Pennington Formation 

(equivalent to Little Stone 

Gap Member of the Hinton 

Formation)

Pennington Formation 

(equivalent to Pride Shale 

Member of the Bluestone 

Formation) (black shale)

Sewanee Sandstone of the 

Breathitt Group

Middlesboro Member of 

Lee Formation (equivalent 

to Warren Point Sandstone) 

(lower quartzarenite member 

of Mitchell (1982) and lower 

quartzarenite of Nolde (1994)) 

(lower sandstone) 

System or series Middle and Upper Mississippian Upper Mississippian Upper Mississippian Lower Pennsylvanian Lower Pennsylvanian 

Formation top (relative to KB) (ft) -1,060 -930 -1,620 -1,143 -1,500 

Formation top (relative to GL) (ft) -1,048 -906.5 -1,598 -1,135 -1,483 

Formation top (relative to SL) (ft) -286 -230 -421 217.42 36 

Formation 9 Borden Formation (siltstone) Pennington Formation 

(equivalent to middle red 

member of the Hinton 

Formation)

Pennington Formation 

(equivalent to Tallery Sandstone 

Member of the Hinton 

Formation)

Bottom Creek Formation of the 

Breathitt Group

Pocahontas Formation 

System or series Lower and Middle Mississippian Upper Mississippian Upper Mississippian Lower Pennsylvanian Lower Pennsylvanian 

Formation top (relative to KB) (ft) -1,204 -970 -1,710 -1,450 -1,770 

Formation top (relative to GL) (ft) -1,192 -946.5 -1,688 -1,442 -1,753 

Formation top (relative to SL) (ft) -430 -270 -511 -89.58 -234 
Appendix 2. 57

Appendix 2. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 11–19 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 16 17 18 19

American Petroleum Institute 

well number 45–027–20147 45–027–04032 45–167–20256 45–169–19690

Lease name No. 9781–T Pittston Company No. 9722–T John W. Pobst and others No. 1 N.R. Price No. 1 E.D. Smith

Permanent datum Ground level Ground level Ground level Ground level

Ground level elevation (ft) 1,567.97 1,670.86 2,205 1,456.30

Kelly bushing elevation (ft) 1,579.97 1,682.86 2,238 1,467.50

Measured from KB (12 ft APD) KB (12 ft APD) KB (33 ft APD) KB (11.2 ft APD)

Drill depth (ft) 6,798 7,299 17,000 7,222

KB elevation - GL elevation (ft) 12 12 33 11.2

Formation 8 Middlesboro Member of Lee Formation 

(equivalent to Warren Point Sandstone) 

(lower quartzarenite member of Mitchell 

(1982) and lower quartzarenite of Nolde 

(1994)) (lower sandstone)

Pennington Group (red member of the 

Bluestone Formation)

Nolichucky Shale Maccrady Shale

System or series Lower Pennsylvanian Upper Mississippian Upper Cambrian Middle Mississippian

Formation top (relative to KB) (ft) -1,526 -2,036 -3,750 -3,489

Formation top (relative to GL) (ft) -1,514 -2,024 -3,717 -3,477.8

Formation top (relative to SL) (ft) 53.97 -353.14 -1,512 -2,021.5

Formation 9 Pocahontas Formation Pennington Group (Pride Shale Member 

of the Bluestone Formation) (black shale)

Honaker Formation (equivalent to 

Maryville Limestone?) (dolomite)

Price Formation (siltstone)

System or series Lower Pennsylvanian Upper Mississippian Middle and Upper Cambrian Lower Mississippian

Formation top (relative to KB) (ft) -1,720 -2,320 -4,044 -3,888

Formation top (relative to GL) (ft) -1,708 -2,308 -4,011 -3,876.8

Formation top (relative to SL) (ft) -140.03 -637.14 -1,806 -2,420.5
58 Pamphlet B—Geologic Cross Section I–I′ Through the Appalachian Basin

Appendix 2. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 11–19 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 11 12 13 14 15 

American Petroleum Institute 

well number 16–025–00745 16–071–27524 16–195–24577 16–195–18969 45–051–20238 

Lease name No. 8613T S.W. (B.) Williams No. 1 Hall No. 1 Stratton No. 201 Kentland Coal and Coke 

Company No. 20321–T Mullins Heirs 

Permanent datum Ground level Ground level Ground level Ground level Ground level 

Ground level elevation (ft) 762 676.5 1,177 1,352.42 1,519 

Kelly bushing elevation (ft) 774 700 1,199 1,360.42 1,536 

Measured from KB (12 ft APD) KB (23.5 ft APD) KB (22 ft APD) KB (8 ft APD) KB (17 ft APD) 

Drill depth (ft) 11,130 13,035 12,471 4,990 9,374 

KB elevation - GL elevation (ft) 12 23.5 22 8 17 

Formation 10 Borden Formation (silty shale) Pennington Formation 

(equivalent to Stony Gap 

Sandstone Member of the Hinton 

Formation)

Pennington Formation 

(equivalent to Little Stone 

Gap Member of the Hinton 

Formation)

Warren Point Sandstone of the 

Breathitt Group

Pennington Group (red member 

of the Bluestone Formation)

System or series Lower Mississippian Upper Mississippian Upper Mississippian Lower Pennsylvanian Upper Mississippian 

Formation top (relative to KB) (ft) -1,430 -1,098 -1,722 -1,550 -1,847 

Formation top (relative to GL) (ft) -1,418 -1,074.50 -1,700 -1,542 -1,830 

Formation top (relative to SL) (ft) -656 -398 -523 -189.58 -311 

Formation 11 Sunbury Shale Newman Limestone (equivalent 

to Bluefield Formation)

Pennington Formation 

(equivalent to middle red 

member of the Hinton 

Formation)

Pennington Formation 

(equivalent to Pride Shale 

Member of the Bluestone 

Formation) (black shale)

Pennington Group (Pride Shale 

Member of the Bluestone 

Formation) (black shale)

System or series Lower Mississippian Upper Mississippian Upper Mississippian Upper Mississippian Upper Mississippian 

Formation top (relative to KB) (ft) -1,550 -1,230 -1,773 -1,976 -1,974 

Formation top (relative to GL) (ft) -1,538 -1,206.5 -1,751 -1,968 -1,957 

Formation top (relative to SL) (ft) -776 -530 -574 -615.58 -438 

Formation 12 Berea Sandstone Newman Limestone (equivalent 

to Greenbrier Limestone)

Pennington Formation 

(equivalent to Stony Gap 

Sandstone Member of the Hinton 

Formation)

Pennington Formation 

(equivalent to Tallery Sandstone 

Member of the Hinton 

Formation)

Pennington Group (Tallery 

Sandstone Member of the Hinton 

Formation)

System or series Upper Devonian Middle and Upper Mississippian Upper Mississippian Upper Mississippian Upper Mississippian 

Formation top (relative to KB) (ft) -1,560 -1,330 -1,906 -2,115 -2,243 

Formation top (relative to GL) (ft) -1,548 -1,306.5 -1,884 -2,107 -2,226 

Formation top (relative to SL) (ft) -786 -630 -707 -754.58 -707 
Appendix 2. 59

Appendix 2. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 11–19 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 16 17 18 19

American Petroleum Institute 

well number 45–027–20147 45–027–04032 45–167–20256 45–169–19690

Lease name No. 9781–T Pittston Company No. 9722–T John W. Pobst and others No. 1 N.R. Price No. 1 E.D. Smith

Permanent datum Ground level Ground level Ground level Ground level

Ground level elevation (ft) 1,567.97 1,670.86 2,205 1,456.30

Kelly bushing elevation (ft) 1,579.97 1,682.86 2,238 1,467.50

Measured from KB (12 ft APD) KB (12 ft APD) KB (33 ft APD) KB (11.2 ft APD)

Drill depth (ft) 6,798 7,299 17,000 7,222

KB elevation - GL elevation (ft) 12 12 33 11.2

Formation 10 Pennington Group (red member of the 

Bluestone Formation)

Pennington Group (Tallery Sandstone 

Member of the Hinton Formation)

Honaker Formation (limestone and shale) Price Formation (silty shale)

System or series Upper Mississippian Upper Mississippian Middle and Upper Cambrian Lower and Middle Mississippian

Formation top (relative to KB) (ft) -1,790 -2,572 -4,410 -4,525

Formation top (relative to GL) (ft) -1,778 -2,560 -4,377 -4,513.8

Formation top (relative to SL) (ft) -210.03 -889.14 -2,172 -3,057.5

Formation 11 Pennington Group (Pride Shale Member 

of the Bluestone Formation) (black shale)

Hinton Formation of the Pennington 

Group (shale)

Rome Formation (repeated by thrust 

faults at about 5,297, 6,157, and 6,377 ft 

relative to GL)

Big Stone Gap Shale (equivalent to 

Sunbury Shale)

System or series Upper Mississippian Upper Mississippian Lower(?) and Middle Cambrian Lower Mississippian

Formation top (relative to KB) (ft) -1,978 -2,650 -4,620 -4,796

Formation top (relative to GL) (ft) -1,966 -2,638 -4,587 -4,784.8

Formation top (relative to SL) (ft) -398.03 -967.14 -2,382 -3,328.5

Formation 12 Pennington Group (Tallery Sandstone 

Member of the Hinton Formation)

Pennington Group (Little Stone Gap 

Member of the Hinton Formation)

Shady Dolomite (thrust fault at about 

7,062 ft relative to GL)

Berea Sandstone

System or series Upper Mississippian Upper Mississippian Lower Cambrian Upper Devonian

Formation top (relative to KB) (ft) -2,250 -2,672 -6,825 -4,807

Formation top (relative to GL) (ft) -2,238 -2,660 -6,792 -4,795.8

Formation top (relative to SL) (ft) -670.03 -989.14 -4,587 -3,339.5
60 Pamphlet B—Geologic Cross Section I–I′ Through the Appalachian Basin

Appendix 2. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 11–19 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 11 12 13 14 15 

American Petroleum Institute 

well number 16–025–00745 16–071–27524 16–195–24577 16–195–18969 45–051–20238 

Lease name No. 8613T S.W. (B.) Williams No. 1 Hall No. 1 Stratton No. 201 Kentland Coal and Coke 

Company No. 20321–T Mullins Heirs 

Permanent datum Ground level Ground level Ground level Ground level Ground level 

Ground level elevation (ft) 762 676.5 1,177 1,352.42 1,519 

Kelly bushing elevation (ft) 774 700 1,199 1,360.42 1,536 

Measured from KB (12 ft APD) KB (23.5 ft APD) KB (22 ft APD) KB (8 ft APD) KB (17 ft APD) 

Drill depth (ft) 11,130 13,035 12,471 4,990 9,374 

KB elevation - GL elevation (ft) 12 23.5 22 8 17 

Formation 13 Bedford Shale and unnamed 

sandstone and siltstone

Borden Formation (equivalent to 

Maccrady Shale) (red shale)

Newman Limestone (equivalent 

to Bluefield Formation)

Pennington Formation 

(equivalent to middle red 

member of the Hinton 

Formation)

Pennington Group (Little Stone 

Gap Member of the Hinton 

Formation)

System or series Upper Devonian Middle Mississippian Upper Mississippian Upper Mississippian Upper Mississippian 

Formation top (relative to KB) (ft) -1,593 -1,460 -2,040 -2,200 -2,346 

Formation top (relative to GL) (ft) -1,581 -1,436.5 -2,018 -2,192 -2,329 

Formation top (relative to SL) (ft) -819 -760 -841 -839.58 -810 

Formation 14 Cleveland Member of the Ohio 

Shale

Borden Formation (equivalent to 

Price Formation) (siltstone)

Newman Limestone (equivalent 

to Greenbrier Limestone)

Pennington Formation 

(equivalent to Stony Gap 

Sandstone Member of the Hinton 

Formation)

Pennington Group (middle 

red member of the Hinton 

Formation)

System or series Upper Devonian Lower and Middle Mississippian Middle and Upper Mississippian Upper Mississippian Upper Mississippian 

Formation top (relative to KB) (ft) -1,650 -1,506 -2,190 -2,533 -2,375 

Formation top (relative to GL) (ft) -1,638 -1,482.5 -2,168 -2,525 -2,358 

Formation top (relative to SL) (ft) -876 -806 -991 -1,172.58 -839 

Formation 15 Three Lick Bed Sunbury Shale Borden Formation (equivalent to 

Maccrady Shale) (red shale)

Newman Limestone (equivalent 

to Bluefield Formation)

Pennington Group (Stony Gap 

Sandstone Member of the Hinton 

Formation)

System or series Upper Devonian Lower Mississippian Middle Mississippian Upper Mississippian Upper Mississippian 

Formation top (relative to KB) (ft) -1,670 -1,740 -2,423 -2,663 -2,610 

Formation top (relative to GL) (ft) -1,658 -1,716.5 -2,401 -2,655 -2,593 

Formation top (relative to SL) (ft) -896 -1,040 -1,224 -1,302.58 -1,074 
Appendix 2. 61

Appendix 2. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 11–19 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 16 17 18 19

American Petroleum Institute 

well number 45–027–20147 45–027–04032 45–167–20256 45–169–19690

Lease name No. 9781–T Pittston Company No. 9722–T John W. Pobst and others No. 1 N.R. Price No. 1 E.D. Smith

Permanent datum Ground level Ground level Ground level Ground level

Ground level elevation (ft) 1,567.97 1,670.86 2,205 1,456.30

Kelly bushing elevation (ft) 1,579.97 1,682.86 2,238 1,467.50

Measured from KB (12 ft APD) KB (12 ft APD) KB (33 ft APD) KB (11.2 ft APD)

Drill depth (ft) 6,798 7,299 17,000 7,222

KB elevation - GL elevation (ft) 12 12 33 11.2

Formation 13 Pennington Group (Little Stone Gap 

Member of the Hinton Formation)

Pennington Group (middle red member of 

the Hinton Formation)

Copper Ridge Dolomite of the Knox 

Group (thrust fault at top)

Upper Devonian (undivided)

System or series Upper Mississippian Upper Mississippian Upper Cambrian Upper Devonian

Formation top (relative to KB) (ft) -2,356 -2,726 -7,490 -4,815

Formation top (relative to GL) (ft) -2,344 -2,714 -7,457 -4,803.8

Formation top (relative to SL) (ft) -776.03 -1,043.14 -5,252 -3,347.5

Formation 14 Pennington Group (middle red member of 

the Hinton Formation)

Pennington Group (Stony Gap Sandstone 

Member of the Hinton Formation)

Maynardville Limestone (Pine Mountain 

thrust fault at bottom)

Huron Member of the Ohio Shale (lower 

part)

System or series Upper Mississippian Upper Mississippian Upper Cambrian Upper Devonian

Formation top (relative to KB) (ft) -2,410 -3,080 -7,680 -5,908

Formation top (relative to GL) (ft) -2,398 -3,068 -7,647 -5,896.8

Formation top (relative to SL) (ft) -830.03 -1,397.14 -5,442 -4,440.5

Formation 15 Pennington Group (Stony Gap Sandstone 

Member of the Hinton Formation)

Bluefield Formation (gray shale and 

sandstone)

Complex fault zone (horse block?) 

(Marcellus Shale in bottom 10 ft)

Java Formation

System or series Upper Mississippian Upper Mississippian Devonian Upper Devonian

Formation top (relative to KB) (ft) -2,640 -3,240 -7,897 -6,182

Formation top (relative to GL) (ft) -2,628 -3,228 -7,864 -6,170.8

Formation top (relative to SL) (ft) -1,060.03 -1,557.14 -5,659 -4,714.5
62 Pamphlet B—Geologic Cross Section I–I′ Through the Appalachian Basin

Appendix 2. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 11–19 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 11 12 13 14 15 

American Petroleum Institute 

well number 16–025–00745 16–071–27524 16–195–24577 16–195–18969 45–051–20238 

Lease name No. 8613T S.W. (B.) Williams No. 1 Hall No. 1 Stratton No. 201 Kentland Coal and Coke 

Company No. 20321–T Mullins Heirs 

Permanent datum Ground level Ground level Ground level Ground level Ground level 

Ground level elevation (ft) 762 676.5 1,177 1,352.42 1,519 

Kelly bushing elevation (ft) 774 700 1,199 1,360.42 1,536 

Measured from KB (12 ft APD) KB (23.5 ft APD) KB (22 ft APD) KB (8 ft APD) KB (17 ft APD) 

Drill depth (ft) 11,130 13,035 12,471 4,990 9,374 

KB elevation - GL elevation (ft) 12 23.5 22 8 17 

Formation 16 Huron Member of the Ohio 

Shale (upper part)

Berea Sandstone Borden Formation (equivalent to 

Price Formation) (siltstone)

Newman Limestone (equivalent 

to Greenbrier Limestone)

Bluefield Formation (limestone 

and black shale)

System or series Upper Devonian Upper Devonian Lower and Middle Mississippian Middle and Upper Mississippian Upper Mississippian 

Formation top (relative to KB) (ft) -1,702 -1,819 -2,470 -2,829 -2,866 

Formation top (relative to GL) (ft) -1,690 -1,795.5 -2,448 -2,821 -2,849 

Formation top (relative to SL) (ft) -928 -1,119 -1,271 -1,468.58 -1,330 

Formation 17 Chagrin Shale tongue Bedford Shale and unnamed 

sandstone and siltstone

Borden Formation (equivalent to 

Price Formation) (silty shale) 

Borden Formation (equivalent to 

Maccrady Shale) (red shale)

Greenbrier Limestone 

System or series Upper Devonian Upper Devonian Lower Mississippian Middle Mississippian Middle and Upper Mississippian 

Formation top (relative to KB) (ft) -1,730 -1,830 -2,710 -3,080 -3,000 

Formation top (relative to GL) (ft) -1,718 -1,806.5 -2,688 -3,072 -2,983 

Formation top (relative to SL) (ft) -956 -1,130 -1,511 -1,719.58 -1,464 

Formation 18 Huron Member of the Ohio 

Shale (lower part)

Cleveland Member of the Ohio 

Shale

Sunbury Shale Borden Formation (equivalent to 

Price Formation) (siltstone) 

Maccrady Shale 

System or series Upper Devonian Upper Devonian Lower Mississippian Lower and Middle Mississippian Middle Mississippian 

Formation top (relative to KB) (ft) -1,823 -1,870 -2,908 -3,124 -3,380 

Formation top (relative to GL) (ft) -1,811 -1,846.5 -2,886 -3,116 -3,363 

Formation top (relative to SL) (ft) -1,049 -1,170 -1,709 -1,763.58 -1,844 
Appendix 2. 63

Appendix 2. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 11–19 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 16 17 18 19

American Petroleum Institute 

well number 45–027–20147 45–027–04032 45–167–20256 45–169–19690

Lease name No. 9781–T Pittston Company No. 9722–T John W. Pobst and others No. 1 N.R. Price No. 1 E.D. Smith

Permanent datum Ground level Ground level Ground level Ground level

Ground level elevation (ft) 1,567.97 1,670.86 2,205 1,456.30

Kelly bushing elevation (ft) 1,579.97 1,682.86 2,238 1,467.50

Measured from KB (12 ft APD) KB (12 ft APD) KB (33 ft APD) KB (11.2 ft APD)

Drill depth (ft) 6,798 7,299 17,000 7,222

KB elevation - GL elevation (ft) 12 12 33 11.2

Formation 16 Bluefield Formation (gray shale and 

sandstone)

Bluefield Formation (limestone and 

black shale)

Huntersville Chert Angola Shale Member of the West Falls 

Formation

System or series Upper Mississippian Upper Mississippian Middle Devonian Upper Devonian

Formation top (relative to KB) (ft) -2,900 -3,467 -8,008 -6,308

Formation top (relative to GL) (ft) -2,888 -3,455 -7,975 -6,296.8

Formation top (relative to SL) (ft) -1,320.03 -1,787.14 -5,770 -4,840.5

Formation 17 Bluefield Formation (limestone and 

black shale)

Greenbrier Limestone Wildcat Valley Sandstone Rhinestreet Shale Member of the West 

Falls Formation

System or series Upper Mississippian Middle and Upper Mississippian Lower and Middle? Devonian Upper Devonian

Formation top (relative to KB) (ft) -3,087 -3,770 -8,121 -6,520

Formation top (relative to GL) (ft) -3,075 -3,758 -8,088 -6,508.8

Formation top (relative to SL) (ft) 1,507.03 -2,087.14 -5,883 -5,052.5

Formation 18 Greenbrier Limestone Maccrady Shale Helderberg Group Millboro Shale (equivalent to Marcellus 

Shale; possibly equivalent to Genesee 

Formation at top)

System or series Middle and Upper Mississippian Middle Mississippian upper Silurian to Lower Devonian Middle Devonian

Formation top (relative to KB) (ft) -3,285 -4,169 -8,178 -6,686

Formation top (relative to GL) (ft) -3,273 -4,157 -8,145 -6,674.8

Formation top (relative to SL) (ft) -1,705.03 -2,486.14 -5,940 -5,218.5
64 Pamphlet B—Geologic Cross Section I–I′ Through the Appalachian Basin

Appendix 2. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 11–19 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 11 12 13 14 15 

American Petroleum Institute 

well number 16–025–00745 16–071–27524 16–195–24577 16–195–18969 45–051–20238 

Lease name No. 8613T S.W. (B.) Williams No. 1 Hall No. 1 Stratton No. 201 Kentland Coal and Coke 

Company No. 20321–T Mullins Heirs 

Permanent datum Ground level Ground level Ground level Ground level Ground level 

Ground level elevation (ft) 762 676.5 1,177 1,352.42 1,519 

Kelly bushing elevation (ft) 774 700 1,199 1,360.42 1,536 

Measured from KB (12 ft APD) KB (23.5 ft APD) KB (22 ft APD) KB (8 ft APD) KB (17 ft APD) 

Drill depth (ft) 11,130 13,035 12,471 4,990 9,374 

KB elevation - GL elevation (ft) 12 23.5 22 8 17 

Formation 19 Java Formation Three Lick Bed Berea Sandstone Borden Formation (equivalent to 

Price Formation) (silty shale) 

Price Formation (siltstone) 

System or series Upper Devonian Upper Devonian Upper Devonian Lower Mississippian Lower and Middle Mississippian 

Formation top (relative to KB) (ft) -1,892 -2,002 -2,944 -3,350 -3,437 

Formation top (relative to GL) (ft) -1,880 -1,978.5 -2,922 -3,342 -3,420 

Formation top (relative to SL) (ft) -1,118 -1,302 -1,745 -1,989.58 -1,901 

Formation 20 Salina Formation Huron Member of the Ohio 

Shale (upper part)

Bedford Shale and unnamed 

sandstone and siltstone

Sunbury Shale Price Formation (silty shale) 

System or series upper Silurian Upper Devonian Upper Devonian Lower Mississippian Lower Mississippian 

Formation top (relative to KB) (ft) -1,920 -2,040 -2,950 -3,608 -3,650 

Formation top (relative to GL) (ft) -1,908 -2,016.5 -2,928 -3,600 -3,633 

Formation top (relative to SL) (ft) -1,146 -1,340 -1,751 -2,247.58 -2,114 

Formation 21 Lockport Dolomite Chagrin Shale tongue (upper) Cleveland Member of the Ohio 

Shale

Berea Sandstone Sunbury Shale 

System or series lower and upper Silurian Upper Devonian Upper Devonian Upper Devonian Lower Mississippian 

Formation top (relative to KB) (ft) -2,036 -2,170 -3,052 -3,660 -3,930 

Formation top (relative to GL) (ft) -2,024 -2,146.5 -3,030 -3,652 -3,913 

Formation top (relative to SL) (ft) -1,262 -1,470 -1,853 -2,299.58 -2,394 

Formation 22 Keefer (Big Six) Sandstone Huron Member of the Ohio 

Shale (middle part)

Three Lick Bed Bedford Shale and unnamed 

sandstone

Berea Sandstone 

System or series lower Silurian Upper Devonian Upper Devonian Upper Devonian Upper Devonian 

Formation top (relative to KB) (ft) -2,118 -2,200 -3,073 -3,732 -3,996 

Formation top (relative to GL) (ft) -2,106 -2,176.5 -3,051 -3,724 -3,979 

Formation top (relative to SL) (ft) -1,344 -1,500 -1,874 -2,371.58 -2,460 
Appendix 2. 65

Appendix 2. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 11–19 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 16 17 18 19

American Petroleum Institute 

well number 45–027–20147 45–027–04032 45–167–20256 45–169–19690

Lease name No. 9781–T Pittston Company No. 9722–T John W. Pobst and others No. 1 N.R. Price No. 1 E.D. Smith

Permanent datum Ground level Ground level Ground level Ground level

Ground level elevation (ft) 1,567.97 1,670.86 2,205 1,456.30

Kelly bushing elevation (ft) 1,579.97 1,682.86 2,238 1,467.50

Measured from KB (12 ft APD) KB (12 ft APD) KB (33 ft APD) KB (11.2 ft APD)

Drill depth (ft) 6,798 7,299 17,000 7,222

KB elevation - GL elevation (ft) 12 12 33 11.2

Formation 19 Maccrady Shale Price Formation (siltstone) Tonoloway Limestone Huntersville Chert and Wildcat Valley 

Sandstone

System or series Middle Mississippian Lower and Middle Mississippian upper Silurian Lower and Middle Devonian

Formation top (relative to KB) (ft) -3,675 -4,200 -8,240 -6,695

Formation top (relative to GL) (ft) -3,663 -4,188 -8,207 -6,683.8

Formation top (relative to SL) (ft) -2,095.03 -2,517.14 -6,002 -5,227.5

Formation 20 Price Formation (siltstone) Price Formation (silty shale) Wills Creek Formation Keefer (Big Six) Sandstone

System or series Lower and Middle Mississippian Lower Mississippian upper Silurian lower Silurian

Formation top (relative to KB) (ft) -3,718 -4,520 -8,370 -6,718

Formation top (relative to GL) (ft) -3,706 -4,508 -8,337 -6,706.8

Formation top (relative to SL) (ft) -2,138.03 -2,837.14 -6,132 -5,250.5

Formation 21 Price Formation (silty shale) Sunbury Shale Keefer (Big Six) Sandstone Rose Hill Formation

System or series Lower Mississippian Lower Mississippian lower Silurian lower Silurian

Formation top (relative to KB) (ft) -4,020 -4,807 -8,408 -6,745

Formation top (relative to GL) (ft) -4,008 -4,795 -8,375 -6,733.8

Formation top (relative to SL) (ft) -2,440.03 -3,124.14 -6,170 -5,277.5

Formation 22 Sunbury Shale Berea Sandstone Rose Hill Formation Clinch Sandstone

System or series Lower Mississippian Upper Devonian lower Silurian lower Silurian

Formation top (relative to KB) (ft) -4,331 -4,863 -8,444 -6,905

Formation top (relative to GL) (ft) -4,319 -4,851 -8,411 -6,893.8

Formation top (relative to SL) (ft) -2,751.03 -3,180.14 -6,206 -5,437.5
66 Pamphlet B—Geologic Cross Section I–I′ Through the Appalachian Basin

Appendix 2. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 11–19 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 11 12 13 14 15 

American Petroleum Institute 

well number 16–025–00745 16–071–27524 16–195–24577 16–195–18969 45–051–20238 

Lease name No. 8613T S.W. (B.) Williams No. 1 Hall No. 1 Stratton No. 201 Kentland Coal and Coke 

Company No. 20321–T Mullins Heirs 

Permanent datum Ground level Ground level Ground level Ground level Ground level 

Ground level elevation (ft) 762 676.5 1,177 1,352.42 1,519 

Kelly bushing elevation (ft) 774 700 1,199 1,360.42 1,536 

Measured from KB (12 ft APD) KB (23.5 ft APD) KB (22 ft APD) KB (8 ft APD) KB (17 ft APD) 

Drill depth (ft) 11,130 13,035 12,471 4,990 9,374 

KB elevation - GL elevation (ft) 12 23.5 22 8 17 

Formation 23 Estill Shale Member of the Alger 

Shale

Chagrin Shale tongue (lower) Huron Member of the Ohio 

Shale (upper part)

Cleveland Member of the Ohio 

Shale

Bedford Shale and unnamed 

sandstone and shale

System or series lower Silurian Upper Devonian Upper Devonian Upper Devonian Upper Devonian 

Formation top (relative to KB) (ft) -2,165 -2,255 -3,263 -3,770 -4,050 

Formation top (relative to GL) (ft) -2,153 -2,231.5 -3,241 -3,762 -4,033 

Formation top (relative to SL) (ft) -1,391 -1,555 -2,064 -2,409.58 -2,514 

Formation 24 Waco Member of the Alger Shale Huron Member of the Ohio 

Shale (lower part)

Chagrin Shale tongue (upper) Three Lick Bed Cleveland Member of the 

Ohio Shale

System or series lower Silurian Upper Devonian Upper Devonian Upper Devonian Upper Devonian 

Formation top (relative to KB) (ft) -2,373 -2,273 -3,362 -3,893 -4,085 

Formation top (relative to GL) (ft) -2,361 -2,249.5 -3,340 -3,885 -4,068 

Formation top (relative to SL) (ft) -1,599 -1,573 -2,163 -2,532.58 -2,549 

Formation 25 Lulbegrud Shale Member of the 

Alger Shale

Java Formation Huron Member of the Ohio 

Shale (middle part)

Huron Member of the Ohio 

Shale (upper part)

Upper Devonian undivided 

System or series lower Silurian Upper Devonian Upper Devonian Upper Devonian Upper Devonian 

Formation top (relative to KB) (ft) -2,380 -2,400 -3,520 -4,020 -4,158 

Formation top (relative to GL) (ft) -2,368 -2,376.5 -3,498 -4,012 -4,141 

Formation top (relative to SL) (ft) -1,606 -1,700 -2,321 -2,659.58 -2,622 

Formation 26 Oldham Member of the 

Drowning Creek Formation

Angola Shale Member of the 

West Falls Formation

Chagrin Shale tongue (lower) Chagrin Shale tongue Huron Member of the Ohio 

Shale (lower part)

System or series lower Silurian Upper Devonian Upper Devonian Upper Devonian Upper Devonian 

Formation top (relative to KB) (ft) -2,390 -2,477 -3,586 -4,110 -4,808 

Formation top (relative to GL) (ft) -2,378 -2,453.5 -3,564 -4,102 -4,791 

Formation top (relative to SL) (ft) -1,616 -1,777 -2,387 -2,749.58 -3,272 
Appendix 2. 67

Appendix 2. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 11–19 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 16 17 18 19

American Petroleum Institute 

well number 45–027–20147 45–027–04032 45–167–20256 45–169–19690

Lease name No. 9781–T Pittston Company No. 9722–T John W. Pobst and others No. 1 N.R. Price No. 1 E.D. Smith

Permanent datum Ground level Ground level Ground level Ground level

Ground level elevation (ft) 1,567.97 1,670.86 2,205 1,456.30

Kelly bushing elevation (ft) 1,579.97 1,682.86 2,238 1,467.50

Measured from KB (12 ft APD) KB (12 ft APD) KB (33 ft APD) KB (11.2 ft APD)

Drill depth (ft) 6,798 7,299 17,000 7,222

KB elevation - GL elevation (ft) 12 12 33 11.2

Formation 23 Berea Sandstone Upper Devonian undivided Cacapon Sandstone Member of the Rose 

Hill Formation

Juniata Formation

System or series Upper Devonian Upper Devonian lower Silurian Upper Ordovician

Formation top (relative to KB) (ft) -4,380 -4,870 -8,636 -7,185

Formation top (relative to GL) (ft) -4,368 -4,858 -8,603 -7,173.8

Formation top (relative to SL) (ft) -2,800.03 -3,187.14 -6,398 -5,717.5

Formation 24 Bedford Shale and unnamed sandstone 

and shale

Huron Member of the Ohio Shale 

(lower part)

Clinch Sandstone (Poor Valley Ridge 

Member)

System or series Upper Devonian Upper Devonian lower Silurian

Formation top (relative to KB) (ft) -4,400 -5,770 -8,725

Formation top (relative to GL) (ft) -4,388 -5,758 -8,692

Formation top (relative to SL) (ft) -2,820.03 -4,087.14 -6,487

Formation 25 Cleveland Member of the Ohio Shale Java Formation Hagan Shale Member of the Clinch 

Sandstone

System or series Upper Devonian Upper Devonian lower Silurian

Formation top (relative to KB) (ft) -4,470 -6,022 -8,840

Formation top (relative to GL) (ft) -4,458 -6,010 -8,807

Formation top (relative to SL) (ft) -2,890.03 -4,339.14 -6,602

Formation 26 Upper Devonian undivided Angola Shale Member of the West Falls 

Formation

Juniata Formation

System or series Upper Devonian Upper Devonian Upper Ordovician

Formation top (relative to KB) (ft) -4,580 -6,135 -8,894

Formation top (relative to GL) (ft) -4,568 -6,123 -8,861

Formation top (relative to SL) (ft) -3,000.03 -4,452.14 -6,656
68 Pamphlet B—Geologic Cross Section I–I′ Through the Appalachian Basin

Appendix 2. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 11–19 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 11 12 13 14 15 

American Petroleum Institute 

well number 16–025–00745 16–071–27524 16–195–24577 16–195–18969 45–051–20238 

Lease name No. 8613T S.W. (B.) Williams No. 1 Hall No. 1 Stratton No. 201 Kentland Coal and Coke 

Company No. 20321–T Mullins Heirs 

Permanent datum Ground level Ground level Ground level Ground level Ground level 

Ground level elevation (ft) 762 676.5 1,177 1,352.42 1,519 

Kelly bushing elevation (ft) 774 700 1,199 1,360.42 1,536 

Measured from KB (12 ft APD) KB (23.5 ft APD) KB (22 ft APD) KB (8 ft APD) KB (17 ft APD) 

Drill depth (ft) 11,130 13,035 12,471 4,990 9,374 

KB elevation - GL elevation (ft) 12 23.5 22 8 17 

Formation 27 Plum Creek Shale Member of 

the Drowning Creek Formation

Rhinestreet Shale Member of the 

West Falls Formation

Huron Member of the Ohio 

Shale (lower part)

Huron Member of the Ohio 

Shale (lower part)

Java Formation 

System or series lower Silurian Upper Devonian Upper Devonian Upper Devonian Upper Devonian 

Formation top (relative to KB) (ft) -2,416 -2,573 -3,616 -4,452 -5,055 

Formation top (relative to GL) (ft) -2,404 -2,549.5 -3,594 -4,444 -5,038 

Formation top (relative to SL) (ft) -1,642 -1,873 -2,417 -3,091.58 -3,519 

Formation 28 Brassfield Member of the 

Drowning Creek Formation

Onondaga Limestone Java Formation Java Formation Angola Shale Member of the 

West Falls Formation

System or series lower Silurian Middle Devonian Upper Devonian Upper Devonian Upper Devonian 

Formation top (relative to KB) (ft) -2,460 -2,604 -3,777 -4,620 -5,166 

Formation top (relative to GL) (ft) -2,448 -2,580.5 -3,755 -4,612 -5,149 

Formation top (relative to SL) (ft) -1,686 -1,904 -2,578 -3,259.58 -3,630 

Formation 29 Drakes Formation Helderberg Limestone Angola Shale Member of the 

West Falls Formation

Angola Shale Member of the 

West Falls Formation

Rhinestreet Shale Member of the 

West Falls Formation

System or series Upper Ordovician Lower Devonian Upper Devonian Upper Devonian Upper Devonian 

Formation top (relative to KB) (ft) -2,500 -2,675 -3,875 -4,738 -5,350 

Formation top (relative to GL) (ft) -2,488 -2,651.5 -3,853 -4,730 -5,333 

Formation top (relative to SL) (ft) -1,726 -1,975 -2,676 -3,377.58 -3,814 

Formation 30 Ashlock Formation Salina Formation Rhinestreet Shale Member of the 

West Falls Formation

Rhinestreet Shale Member of the 

West Falls Formation

Marcellus Shale 

System or series Upper Ordovician upper Silurian Upper Devonian Upper Devonian Middle Devonian 

Formation top (relative to KB) (ft) -2,670 -2,722 -3,994 -4,894 -5,554 

Formation top (relative to GL) (ft) -2,658 -2,698.5 -3,972 -4,886 -5,537 

Formation top (relative to SL) (ft) -1,896 -2,022 -2,795 -3,533.58 -4,018 
Appendix 2. 69

Appendix 2. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 11–19 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 16 17 18 19

American Petroleum Institute 

well number 45–027–20147 45–027–04032 45–167–20256 45–169–19690

Lease name No. 9781–T Pittston Company No. 9722–T John W. Pobst and others No. 1 N.R. Price No. 1 E.D. Smith

Permanent datum Ground level Ground level Ground level Ground level

Ground level elevation (ft) 1,567.97 1,670.86 2,205 1,456.30

Kelly bushing elevation (ft) 1,579.97 1,682.86 2,238 1,467.50

Measured from KB (12 ft APD) KB (12 ft APD) KB (33 ft APD) KB (11.2 ft APD)

Drill depth (ft) 6,798 7,299 17,000 7,222

KB elevation - GL elevation (ft) 12 12 33 11.2

Formation 27 Huron Member of the Ohio Shale 

(lower part)

Rhinestreet Shale Member of the West 

Falls Formation

Reedsville Shale

System or series Upper Devonian Upper Devonian Upper Ordovician

Formation top (relative to KB) (ft) -5,260 -6,294 -9,132

Formation top (relative to GL) (ft) -5,248 -6,282 -9,099

Formation top (relative to SL) (ft) -3,680.03 -4,611.14 -6,894

Formation 28 Java Formation Marcellus Shale Trenton Limestone

System or series Upper Devonian Middle Devonian Upper Ordovician

Formation top (relative to KB) (ft) -5,483 -6,400 -9,698

Formation top (relative to GL) (ft) -5,471 -6,388 -9,665

Formation top (relative to SL) (ft) -3,903.03 -4,717.14 -7,460

Formation 29 Angola Shale Member of the West Falls 

Formation

Onondaga Limestone Dickeyville Bentonite Bed

System or series Upper Devonian Middle Devonian Upper Ordovician

Formation top (relative to KB) (ft) -5,580 -6,410 -10,244

Formation top (relative to GL) (ft) -5,568 -6,398 -10,211

Formation top (relative to SL) (ft) -4,000.03 -4,727.14 -8,006

Formation 30 Rhinestreet Shale Member of the West 

Falls Formation

Wildcat Valley Sandstone “Elkport” Bentonite Bed

System or series Upper Devonian Lower and Middle(?) Devonian Upper Ordovician

Formation top (relative to KB) (ft) -5,750 -6,460 -10,305

Formation top (relative to GL) (ft) -5,738 -6,448 -10,272

Formation top (relative to SL) (ft) -4,170.03 -4,777.14 -8,067
70 Pamphlet B—Geologic Cross Section I–I′ Through the Appalachian Basin

Appendix 2. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 11–19 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 11 12 13 14 15 

American Petroleum Institute 

well number 16–025–00745 16–071–27524 16–195–24577 16–195–18969 45–051–20238 

Lease name No. 8613T S.W. (B.) Williams No. 1 Hall No. 1 Stratton No. 201 Kentland Coal and Coke 

Company No. 20321–T Mullins Heirs 

Permanent datum Ground level Ground level Ground level Ground level Ground level 

Ground level elevation (ft) 762 676.5 1,177 1,352.42 1,519 

Kelly bushing elevation (ft) 774 700 1,199 1,360.42 1,536 

Measured from KB (12 ft APD) KB (23.5 ft APD) KB (22 ft APD) KB (8 ft APD) KB (17 ft APD) 

Drill depth (ft) 11,130 13,035 12,471 4,990 9,374 

KB elevation - GL elevation (ft) 12 23.5 22 8 17 

Formation 31 Calloway Creek Limestone Lockport Dolomite Onondaga Limestone Marcellus Shale Onondaga Limestone 

System or series Upper Ordovician lower and upper Silurian Middle Devonian Middle Devonian Middle Devonian 

Formation top (relative to KB) (ft) -2,770 -2,900 -4,066 -4,970 -5,560 

Formation top (relative to GL) (ft) -2,758 -2,876.5 -4,044 -4,962 -5,543 

Formation top (relative to SL) (ft) -1,996 -2,200 -2,867 -3,609.58 -4,024 

Formation 32 Garrard Siltstone Keefer (Big Six) Sandstone Oriskany Sandstone Onondaga Limestone Wildcat Valley Sandstone 

System or series Upper Ordovician lower Silurian Lower Devonian Middle Devonian Lower and Middle(?) Devonian 

Formation top (relative to KB) (ft) -2,868 -3,060 -4,100 -4,979 -5,608 

Formation top (relative to GL) (ft) -2,856 -3,036.5 -4,078 -4,971 -5,591 

Formation top (relative to SL) (ft) -2,094 -2,360 -2,901 -3,618.58 -4,072 

Formation 33 Clays Ferry Formation Rose Hill Formation Helderberg Limestone Helderberg Group 

System or series Upper Ordovician lower Silurian Lower Devonian upper Silurian to Lower 

Devonian

Formation top (relative to KB) (ft) -2,910 -3,135 -4,130 -5,642 

Formation top (relative to GL) (ft) -2,898 -3,111.5 -4,108 -5,625 

Formation top (relative to SL) (ft) -2,136 -2,435 -2,931 -4,106 

Formation 34 Lexington Limestone “Clinton” sandstone Salina Formation Tonoloway Limestone 

(equivalent to Salina Formation)

System or series Upper Ordovician lower Silurian upper Silurian upper Silurian 

Formation top (relative to KB) (ft) -3,115 -3,485 -4,150 -5,702 

Formation top (relative to GL) (ft) -3,103 -3,461.5 -4,128 -5,685 

Formation top (relative to SL) (ft) -2,341 -2,785 -2,951 -4,166 
Appendix 2. 71

Appendix 2. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 11–19 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 16 17 18 19

American Petroleum Institute 

well number 45–027–20147 45–027–04032 45–167–20256 45–169–19690

Lease name No. 9781–T Pittston Company No. 9722–T John W. Pobst and others No. 1 N.R. Price No. 1 E.D. Smith

Permanent datum Ground level Ground level Ground level Ground level

Ground level elevation (ft) 1,567.97 1,670.86 2,205 1,456.30

Kelly bushing elevation (ft) 1,579.97 1,682.86 2,238 1,467.50

Measured from KB (12 ft APD) KB (12 ft APD) KB (33 ft APD) KB (11.2 ft APD)

Drill depth (ft) 6,798 7,299 17,000 7,222

KB elevation - GL elevation (ft) 12 12 33 11.2

Formation 31 Marcellus Shale Helderberg Group Eggleston Limestone and Millbrig 

Bentonite Bed

System or series Middle Devonian upper Silurian to Lower Devonian Upper Ordovician

Formation top (relative to KB) (ft) -5,855 -6,500 -10,361

Formation top (relative to GL) (ft) -5,843 -6,488 -10,328

Formation top (relative to SL) (ft) -4,275.03 -4,817.14 -8,123

Formation 32 Onondaga Limestone Tonoloway Limestone (equivalent to 

Salina Formation)

Deicke Bentonite Bed

System or series Middle Devonian upper Silurian Upper Ordovician

Formation top (relative to KB) (ft) -5,876 -6,517 -10,420

Formation top (relative to GL) (ft) -5,864 -6,505 -10,387

Formation top (relative to SL) (ft) -4,296.03 -4,834.14 -8,182

Formation 33 Wildcat Valley Sandstone Lockport Dolomite equivalent Witten Limestone

System or series Lower and Middle(?) Devonian lower and upper Silurian Upper Ordovician

Formation top (relative to KB) (ft) -5,900 -6,720 -10,531

Formation top (relative to GL) (ft) -5,888 -6,708 -10,498

Formation top (relative to SL) (ft) -4,320.03 -5,037.14 -8,293

Formation 34 Helderberg Group Keefer (Big Six) Sandstone Hockett Bentonite Bed

System or series upper Silurian to Lower Devonian lower Silurian Upper Ordovician

Formation top (relative to KB) (ft) -5,965 -6,835 -10,560

Formation top (relative to GL) (ft) -5,953 -6,823 -10,527

Formation top (relative to SL) (ft) -4,385.03 -5,152.14 -8,322
72 Pamphlet B—Geologic Cross Section I–I′ Through the Appalachian Basin

Appendix 2. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 11–19 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 11 12 13 14 15 

American Petroleum Institute 

well number 16–025–00745 16–071–27524 16–195–24577 16–195–18969 45–051–20238 

Lease name No. 8613T S.W. (B.) Williams No. 1 Hall No. 1 Stratton No. 201 Kentland Coal and Coke 

Company No. 20321–T Mullins Heirs 

Permanent datum Ground level Ground level Ground level Ground level Ground level 

Ground level elevation (ft) 762 676.5 1,177 1,352.42 1,519 

Kelly bushing elevation (ft) 774 700 1,199 1,360.42 1,536 

Measured from KB (12 ft APD) KB (23.5 ft APD) KB (22 ft APD) KB (8 ft APD) KB (17 ft APD) 

Drill depth (ft) 11,130 13,035 12,471 4,990 9,374 

KB elevation - GL elevation (ft) 12 23.5 22 8 17 

Formation 35 Dickeyville Bentonite Bed Drakes Formation Lockport Dolomite Lockport Dolomite 

System or series Upper Ordovician Upper Ordovician lower and upper Silurian lower and upper Silurian 

Formation top (relative to KB) (ft) -3,490 -3,574 -4,380 -5,862 

Formation top (relative to GL) (ft) -3,478 -3,550.5 -4,358 -5,845 

Formation top (relative to SL) (ft) -2,716 -2,874 -3,181 -4,326 

Formation 36 “Elkport” Bentonite Bed Ashlock Formation Keefer (Big Six) Sandstone Keefer (Big Six) Sandstone 

System or series Upper Ordovician Upper Ordovician lower Silurian lower Silurian 

Formation top (relative to KB) (ft) -3,524 -3,815 -4,486 -5,987 

Formation top (relative to GL) (ft) -3,512 -3,791.5 -4,464 -5,970 

Formation top (relative to SL) (ft) -2,750 -3,115 -3,287 -4,451 

Formation 37 High Bridge Group (Tyrone 

Limestone) and Millbrig 

Bentonite Bed

Calloway Creek Limestone Rose Hill Formation Rose Hill Formation 

System or series Upper Ordovician Upper Ordovician lower Silurian lower Silurian 

Formation top (relative to KB) (ft) -3,552 -3,890 -4,557 -6,020 

Formation top (relative to GL) (ft) -3,540 -3,866.5 -4,535 -6,003 

Formation top (relative to SL) (ft) -2,778 -3,190 -3,358 -4,484 
Appendix 2. 73

Appendix 2. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 11–19 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 16 17 18 19

American Petroleum Institute 

well number 45–027–20147 45–027–04032 45–167–20256 45–169–19690

Lease name No. 9781–T Pittston Company No. 9722–T John W. Pobst and others No. 1 N.R. Price No. 1 E.D. Smith

Permanent datum Ground level Ground level Ground level Ground level

Ground level elevation (ft) 1,567.97 1,670.86 2,205 1,456.30

Kelly bushing elevation (ft) 1,579.97 1,682.86 2,238 1,467.50

Measured from KB (12 ft APD) KB (12 ft APD) KB (33 ft APD) KB (11.2 ft APD)

Drill depth (ft) 6,798 7,299 17,000 7,222

KB elevation - GL elevation (ft) 12 12 33 11.2

Formation 35 Tonoloway Limestone (equivalent to 

Salina Formation)

Rose Hill Formation Bowen Formation

System or series upper Silurian lower Silurian Upper Ordovician

Formation top (relative to KB) (ft) -5,990 -6,860 -10,695

Formation top (relative to GL) (ft) -5,978 -6,848 -10,662

Formation top (relative to SL) (ft) -4,410.03 -5,177.14 -8,457

Formation 36 Lockport Dolomite Cacapon Sandstone Member of the Rose 

Hill Formation

Wardell Formation

System or series lower and upper Silurian lower Silurian Upper Ordovician

Formation top (relative to KB) (ft) -6,180 -7,110 -10,750

Formation top (relative to GL) (ft) -6,168 -7,098 -10,717

Formation top (relative to SL) (ft) -4,600.03 -5,427.14 -8,512

Formation 37 Keefer (Big Six) Sandstone Clinch Sandstone (Poor Valley Ridge 

Member)

Benbolt Limestone

System or series lower Silurian lower Silurian Upper Ordovician

Formation top (relative to KB) (ft) -6,293 -7,168 -10,845

Formation top (relative to GL) (ft) -6,281 -7,156 -10,812

Formation top (relative to SL) (ft) -4,713.03 -5,485.14 -8,607
74 Pamphlet B—Geologic Cross Section I–I′ Through the Appalachian Basin

Appendix 2. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 11–19 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 11 12 13 14 15 

American Petroleum Institute 

well number 16–025–00745 16–071–27524 16–195–24577 16–195–18969 45–051–20238 

Lease name No. 8613T S.W. (B.) Williams No. 1 Hall No. 1 Stratton No. 201 Kentland Coal and Coke 

Company No. 20321–T Mullins Heirs 

Permanent datum Ground level Ground level Ground level Ground level Ground level 

Ground level elevation (ft) 762 676.5 1,177 1,352.42 1,519 

Kelly bushing elevation (ft) 774 700 1,199 1,360.42 1,536 

Measured from KB (12 ft APD) KB (23.5 ft APD) KB (22 ft APD) KB (8 ft APD) KB (17 ft APD) 

Drill depth (ft) 11,130 13,035 12,471 4,990 9,374 

KB elevation - GL elevation (ft) 12 23.5 22 8 17 

Formation 38 Deicke Bentonite Bed Garrard Siltstone Cacapon Sandstone Member of 

the Rose Hill Formation

Cacapon Sandstone Member of 

the Rose Hill Formation

System or series Upper Ordovician Upper Ordovician lower Silurian lower Silurian 

Formation top (relative to KB) (ft) -3,580 -4,020 -4,812 -6,253 

Formation top (relative to GL) (ft) -3,568 -3,996.5 -4,790 -6,236 

Formation top (relative to SL) (ft) -2,806 -3,320 -3,613 -4,717 

Formation 39 High Bridge Group (upper 

member of Camp Nelson 

Limestone and Oregon 

Formation (undivided)) and 

Hockett Bentonite Bed 

Clays Ferry Formation “Clinton” sandstone Clinch Sandstone (Poor Valley 

Ridge Member)

System or series Upper Ordovician Upper Ordovician lower Silurian lower Silurian 

Formation top (relative to KB) (ft) -3,676 -4,068 -4,847 -6,332 

Formation top (relative to GL) (ft) -3,664 -4,044.5 -4,825 -6,315 

Formation top (relative to SL) (ft) -2,902 -3,368 -3,648 -4,796 

Formation 40 High Bridge Group (marker A) Lexington Limestone Drakes Formation Hagan Shale Member of the 

Clinch Sandstone

System or series Upper Ordovician Upper Ordovician Upper Ordovician lower Silurian 

Formation top (relative to KB) (ft) -3,970 -4,304 -5,006 -6,438 

Formation top (relative to GL) (ft) -3,958 -4,280.5 -4,984 -6,421 

Formation top (relative to SL) (ft) -3,196 -3,604 -3,807 -4,902 
Appendix 2. 75

Appendix 2. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 11–19 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 16 17 18 19

American Petroleum Institute 

well number 45–027–20147 45–027–04032 45–167–20256 45–169–19690

Lease name No. 9781–T Pittston Company No. 9722–T John W. Pobst and others No. 1 N.R. Price No. 1 E.D. Smith

Permanent datum Ground level Ground level Ground level Ground level

Ground level elevation (ft) 1,567.97 1,670.86 2,205 1,456.30

Kelly bushing elevation (ft) 1,579.97 1,682.86 2,238 1,467.50

Measured from KB (12 ft APD) KB (12 ft APD) KB (33 ft APD) KB (11.2 ft APD)

Drill depth (ft) 6,798 7,299 17,000 7,222

KB elevation - GL elevation (ft) 12 12 33 11.2

Formation 38 Rose Hill Formation Hagan Shale Member of the Clinch 

Sandstone

Benbolt Limestone (marker A)

System or series lower Silurian lower Silurian Upper Ordovician

Formation top (relative to KB) (ft) -6,347 -7,265 -11,025

Formation top (relative to GL) (ft) -6,335 -7,253 -10,992

Formation top (relative to SL) (ft) -4,767.03 -5,582.14 -8,787

Formation 39 Cacapon Sandstone Member of the Rose 

Hill Formation

Benbolt Limestone (equivalent to 

Pecatonica Member of Camp Nelson 

Limestone) (marker B) 

System or series lower Silurian Upper Ordovician

Formation top (relative to KB) (ft) -6,570 -11,146

Formation top (relative to GL) (ft) -6,558 -11,113

Formation top (relative to SL) (ft) -4,990.03 -8,908

Formation 40 Clinch Sandstone (Poor Valley Ridge 

Member)

Rockdell Limestone (argillaceous 

limestone)

System or series lower Silurian Middle and Upper Ordovician

Formation top (relative to KB) (ft) -6,638 -11,232

Formation top (relative to GL) (ft) -6,626 -11,199

Formation top (relative to SL) (ft) -5,058.03 -8,994
76 Pamphlet B—Geologic Cross Section I–I′ Through the Appalachian Basin

Appendix 2. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 11–19 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 11 12 13 14 15 

American Petroleum Institute 

well number 16–025–00745 16–071–27524 16–195–24577 16–195–18969 45–051–20238 

Lease name No. 8613T S.W. (B.) Williams No. 1 Hall No. 1 Stratton No. 201 Kentland Coal and Coke 

Company No. 20321–T Mullins Heirs 

Permanent datum Ground level Ground level Ground level Ground level Ground level 

Ground level elevation (ft) 762 676.5 1,177 1,352.42 1,519 

Kelly bushing elevation (ft) 774 700 1,199 1,360.42 1,536 

Measured from KB (12 ft APD) KB (23.5 ft APD) KB (22 ft APD) KB (8 ft APD) KB (17 ft APD) 

Drill depth (ft) 11,130 13,035 12,471 4,990 9,374 

KB elevation - GL elevation (ft) 12 23.5 22 8 17 

Formation 41 High Bridge Group (Pecatonica 

Member of Camp Nelson 

Limestone) (marker B)

Dickeyville Bentonite Bed Ashlock Formation Juniata Formation 

System or series Upper Ordovician Upper Ordovician Upper Ordovician Upper Ordovician 

Formation top (relative to KB) (ft) -4,080 -4,750 -5,235 -6,474 

Formation top (relative to GL) (ft) -4,068 -4,726.5 -5,213 -6,457 

Formation top (relative to SL) (ft) -3,306 -4,050 -4,036 -4,938 

Formation 42 High Bridge Group (lower 

member of Camp Nelson 

Limestone)

“Elkport” Bentonite Bed Calloway Creek Limestone Reedsville Shale 

System or series Middle and Upper Ordovician Upper Ordovician Upper Ordovician Upper Ordovician 

Formation top (relative to KB) (ft) -4,175 -4,793 -5,322 -6,670 

Formation top (relative to GL) (ft) -4,163 -4,769.5 -5,300 -6,653 

Formation top (relative to SL) (ft) -3,401 -4,093 -4,123 -5,134 

Formation 43 High Bridge Group (lower 

member of Camp Nelson 

Limestone) (marker C)

High Bridge Group (Tyrone 

Limestone) and Millbrig 

Bentonite Bed

Garrard Siltstone Trenton Limestone 

System or series Middle and Upper Ordovician Upper Ordovician Upper Ordovician Upper Ordovician 

Formation top (relative to KB) (ft) -4,248 -4,837 -5,420 -7,220 

Formation top (relative to GL) (ft) -4,236 -4,813.5 -5,398 -7,203 

Formation top (relative to SL) (ft) -3,474 -4,137 -4,221 -5,684 
Appendix 2. 77

Appendix 2. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 11–19 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 16 17 18 19

American Petroleum Institute 

well number 45–027–20147 45–027–04032 45–167–20256 45–169–19690

Lease name No. 9781–T Pittston Company No. 9722–T John W. Pobst and others No. 1 N.R. Price No. 1 E.D. Smith

Permanent datum Ground level Ground level Ground level Ground level

Ground level elevation (ft) 1,567.97 1,670.86 2,205 1,456.30

Kelly bushing elevation (ft) 1,579.97 1,682.86 2,238 1,467.50

Measured from KB (12 ft APD) KB (12 ft APD) KB (33 ft APD) KB (11.2 ft APD)

Drill depth (ft) 6,798 7,299 17,000 7,222

KB elevation - GL elevation (ft) 12 12 33 11.2

Formation 41 Hagan Shale Member of the Clinch 

Sandstone

Rockdell Limestone (marker C)

System or series lower Silurian Middle and Upper Ordovician

Formation top (relative to KB) (ft) -6,730 -11,304

Formation top (relative to GL) (ft) -6,718 -11,271

Formation top (relative to SL) (ft) -5,150.03 -9,066

Formation 42 Juniata Formation Rockdell Limestone (marker D)

System or series Upper Ordovician Middle and Upper Ordovician

Formation top (relative to KB) (ft) -6,763 -11,398

Formation top (relative to GL) (ft) -6,751 -11,365

Formation top (relative to SL) (ft) -5,183.03 -9,160

Formation 43 Elway Limestone, Five Oaks Limestone, 

and Lincolnshire Limestone

System or series Middle Ordovician

Formation top (relative to KB) (ft) -11,460

Formation top (relative to GL) (ft) -11,427

Formation top (relative to SL) (ft) -9,222
78 Pamphlet B—Geologic Cross Section I–I′ Through the Appalachian Basin

Appendix 2. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 11–19 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 11 12 13 14 15 

American Petroleum Institute 

well number 16–025–00745 16–071–27524 16–195–24577 16–195–18969 45–051–20238 

Lease name No. 8613T S.W. (B.) Williams No. 1 Hall No. 1 Stratton No. 201 Kentland Coal and Coke 

Company No. 20321–T Mullins Heirs 

Permanent datum Ground level Ground level Ground level Ground level Ground level 

Ground level elevation (ft) 762 676.5 1,177 1,352.42 1,519 

Kelly bushing elevation (ft) 774 700 1,199 1,360.42 1,536 

Measured from KB (12 ft APD) KB (23.5 ft APD) KB (22 ft APD) KB (8 ft APD) KB (17 ft APD) 

Drill depth (ft) 11,130 13,035 12,471 4,990 9,374 

KB elevation - GL elevation (ft) 12 23.5 22 8 17 

Formation 44 High Bridge Group (lower 

member of Camp Nelson 

Limestone) (marker D)

Deicke Bentonite Bed Clays Ferry Formation Dickeyville Bentonite Bed 

System or series Middle and Upper Ordovician Upper Ordovician Upper Ordovician Upper Ordovician 

Formation top (relative to KB) (ft) -4,350 -4,870 -5,466 -7,735 

Formation top (relative to GL) (ft) -4,338 -4,846.5 -5,444 -7,718 

Formation top (relative to SL) (ft) -3,576 -4,170 -4,267 -6,199 

Formation 45 Wells Creek dolomite High Bridge Group (upper 

member of Camp Nelson 

Limestone and Oregon 

Formation (undivided)) and 

Hockett Bentonite Bed 

Lexington Limestone “Elkport” Bentonite Bed 

System or series Middle and Upper Ordovician Upper Ordovician Upper Ordovician Upper Ordovician 

Formation top (relative to KB) (ft) -4,370 -4,996 -5,760 -7,786 

Formation top (relative to GL) (ft) -4,358 -4,972.5 -5,738 -7,769 

Formation top (relative to SL) (ft) -3,596 -4,296 -4,561 -6,250 

Formation 46 St. Peter Sandstone High Bridge Group (marker A) Dickeyville Bentonite Bed Eggleston Limestone and 

Millbrig Bentonite Bed

System or series Middle Ordovician Upper Ordovician Upper Ordovician Upper Ordovician 

Formation top (relative to KB) (ft) -4,510 -5,380 -6,186 -7,832 

Formation top (relative to GL) (ft) -4,498 -5,356.5 -6,164 -7,815 

Formation top (relative to SL) (ft) -3,736 -4,680 -4,987 -6,296 
Appendix 2. 79

Appendix 2. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 11–19 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 16 17 18 19

American Petroleum Institute 

well number 45–027–20147 45–027–04032 45–167–20256 45–169–19690

Lease name No. 9781–T Pittston Company No. 9722–T John W. Pobst and others No. 1 N.R. Price No. 1 E.D. Smith

Permanent datum Ground level Ground level Ground level Ground level

Ground level elevation (ft) 1,567.97 1,670.86 2,205 1,456.30

Kelly bushing elevation (ft) 1,579.97 1,682.86 2,238 1,467.50

Measured from KB (12 ft APD) KB (12 ft APD) KB (33 ft APD) KB (11.2 ft APD)

Drill depth (ft) 6,798 7,299 17,000 7,222

KB elevation - GL elevation (ft) 12 12 33 11.2

Formation 44 Blackford Formation (limestone)

System or series Middle Ordovician

Formation top (relative to KB) (ft) -11,602

Formation top (relative to GL) (ft) -11,569

Formation top (relative to SL) (ft) -9,364

Formation 45 Blackford Formation (sandstone)

System or series Middle Ordovician

Formation top (relative to KB) (ft) -11,690

Formation top (relative to GL) (ft) -11,657

Formation top (relative to SL) (ft) -9,452

Formation 46 Mascot Dolomite of the Knox Group

System or series Lower Ordovician

Formation top (relative to KB) (ft) -11,720

Formation top (relative to GL) (ft) -11,687

Formation top (relative to SL) (ft) -9,482
80 Pamphlet B—Geologic Cross Section I–I′ Through the Appalachian Basin

Appendix 2. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 11–19 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 11 12 13 14 15 

American Petroleum Institute 

well number 16–025–00745 16–071–27524 16–195–24577 16–195–18969 45–051–20238 

Lease name No. 8613T S.W. (B.) Williams No. 1 Hall No. 1 Stratton No. 201 Kentland Coal and Coke 

Company No. 20321–T Mullins Heirs 

Permanent datum Ground level Ground level Ground level Ground level Ground level 

Ground level elevation (ft) 762 676.5 1,177 1,352.42 1,519 

Kelly bushing elevation (ft) 774 700 1,199 1,360.42 1,536 

Measured from KB (12 ft APD) KB (23.5 ft APD) KB (22 ft APD) KB (8 ft APD) KB (17 ft APD) 

Drill depth (ft) 11,130 13,035 12,471 4,990 9,374 

KB elevation - GL elevation (ft) 12 23.5 22 8 17 

Formation 47 Beekmantown Dolomite High Bridge Group (Pecatonica 

Member of Camp Nelson 

Limestone) (marker B)

“Elkport” Bentonite Bed Deicke Bentonite Bed 

System or series Lower Ordovician Upper Ordovician Upper Ordovician Upper Ordovician 

Formation top (relative to KB) (ft) -4,548 -5,520 -6,232 -7,880 

Formation top (relative to GL) (ft) -4,536 -5,496.5 -6,210 -7,863 

Formation top (relative to SL) (ft) -3,774 -4,820 -5,033 -6,344 

Formation 48 Rose Run Sandstone High Bridge Group (lower 

member of Camp Nelson 

Limestone)

High Bridge Group (Tyrone 

Limestone) and Millbrig 

Bentonite Bed

Witten Limestone 

System or series Upper Cambrian Middle and Upper Ordovician Upper Ordovician Upper Ordovician 

Formation top (relative to KB) (ft) -5,250 -5,608 -6,270 -7,984 

Formation top (relative to GL) (ft) -5,238 -5,584.5 -6,248 -7,967 

Formation top (relative to SL) (ft) -4,476 -4,908 -5,071 -6,448 

Formation 49 Copper Ridge Dolomite High Bridge Group (lower 

member of Camp Nelson 

Limestone) (marker C)

Deicke Bentonite Bed Hockett Bentonite Bed 

System or series Upper Cambrian Middle and Upper Ordovician Upper Ordovician Upper Ordovician 

Formation top (relative to KB) (ft) -5,467 -5,678 -6,310 -8,008 

Formation top (relative to GL) (ft) -5,455 -5,654.5 -6,288 -7,991 

Formation top (relative to SL) (ft) -4,693 -4,978 -5,111 -6,472 
Appendix 2. 81

Appendix 2. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 11–19 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 16 17 18 19

American Petroleum Institute 

well number 45–027–20147 45–027–04032 45–167–20256 45–169–19690

Lease name No. 9781–T Pittston Company No. 9722–T John W. Pobst and others No. 1 N.R. Price No. 1 E.D. Smith

Permanent datum Ground level Ground level Ground level Ground level

Ground level elevation (ft) 1,567.97 1,670.86 2,205 1,456.30

Kelly bushing elevation (ft) 1,579.97 1,682.86 2,238 1,467.50

Measured from KB (12 ft APD) KB (12 ft APD) KB (33 ft APD) KB (11.2 ft APD)

Drill depth (ft) 6,798 7,299 17,000 7,222

KB elevation - GL elevation (ft) 12 12 33 11.2

Formation 47 Kingsport Formation of the Knox Group

System or series Lower Ordovician

Formation top (relative to KB) (ft) -11,990

Formation top (relative to GL) (ft) -11,957

Formation top (relative to SL) (ft) -9,752

Formation 48 Chepultepec Dolomite of the Knox Group

System or series Lower Ordovician and Upper Cambrian 

Formation top (relative to KB) (ft) -12,496

Formation top (relative to GL) (ft) -12,463

Formation top (relative to SL) (ft) -10,258

Formation 49 Copper Ridge Dolomite of the Knox 

Group

System or series Upper Cambrian

Formation top (relative to KB) (ft) -12,740

Formation top (relative to GL) (ft) -12,707

Formation top (relative to SL) (ft) -10,502
82 Pamphlet B—Geologic Cross Section I–I′ Through the Appalachian Basin

Appendix 2. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 11–19 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 11 12 13 14 15 

American Petroleum Institute 

well number 16–025–00745 16–071–27524 16–195–24577 16–195–18969 45–051–20238 

Lease name No. 8613T S.W. (B.) Williams No. 1 Hall No. 1 Stratton No. 201 Kentland Coal and Coke 

Company No. 20321–T Mullins Heirs 

Permanent datum Ground level Ground level Ground level Ground level Ground level 

Ground level elevation (ft) 762 676.5 1,177 1,352.42 1,519 

Kelly bushing elevation (ft) 774 700 1,199 1,360.42 1,536 

Measured from KB (12 ft APD) KB (23.5 ft APD) KB (22 ft APD) KB (8 ft APD) KB (17 ft APD) 

Drill depth (ft) 11,130 13,035 12,471 4,990 9,374 

KB elevation - GL elevation (ft) 12 23.5 22 8 17 

Formation 50 Copper Ridge Dolomite 

(equivalent to B zone?) 

(marker X1)

High Bridge Group (lower 

member of Camp Nelson 

Limestone) (marker D)

High Bridge Group (upper 

member of Camp Nelson 

Limestone and Oregon 

Formation (undivided)) and 

Hockett Bentonite Bed 

Bowen Formation 

System or series Upper Cambrian Middle and Upper Ordovician Upper Ordovician Upper Ordovician 

Formation top (relative to KB) (ft) -5,814 -5,794 -6,440 -8,120 

Formation top (relative to GL) (ft) -5,802 -5,770.5 -6,418 -8,103 

Formation top (relative to SL) (ft) -5,040 -5,094 -5,241 -6,584 

Formation 51 Copper Ridge Dolomite 

(marker Y)

High Bridge Group (lower 

member of Camp Nelson 

Limestone)

High Bridge Group (marker A) Wardell Formation 

System or series Upper Cambrian Middle and Upper Ordovician Upper Ordovician Upper Ordovician 

Formation top (relative to KB) (ft) -6,470 -5,833 -6,840 -8,180 

Formation top (relative to GL) (ft) -6,458 -5,809.5 -6,818 -8,163 

Formation top (relative to SL) (ft) -5,696 -5,133 -5,641 -6,644 

Formation 52 Maynardville Limestone of the 

Conasauga Formation

Wells Creek dolomite High Bridge Group (Pecatonica 

Member of Camp Nelson 

Limestone) (marker B)

Benbolt Limestone 

System or series Upper Cambrian Middle and Upper Ordovician Upper Ordovician Upper Ordovician 

Formation top (relative to KB) (ft) -6,672 -5,957 -6,978 -8,258 

Formation top (relative to GL) (ft) -6,660 -5,933.5 -6,956 -8,241 

Formation top (relative to SL) (ft) -5,898 -5,257 -5,779 -6,722 
Appendix 2. 83

Appendix 2. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 11–19 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 16 17 18 19

American Petroleum Institute 

well number 45–027–20147 45–027–04032 45–167–20256 45–169–19690

Lease name No. 9781–T Pittston Company No. 9722–T John W. Pobst and others No. 1 N.R. Price No. 1 E.D. Smith

Permanent datum Ground level Ground level Ground level Ground level

Ground level elevation (ft) 1,567.97 1,670.86 2,205 1,456.30

Kelly bushing elevation (ft) 1,579.97 1,682.86 2,238 1,467.50

Measured from KB (12 ft APD) KB (12 ft APD) KB (33 ft APD) KB (11.2 ft APD)

Drill depth (ft) 6,798 7,299 17,000 7,222

KB elevation - GL elevation (ft) 12 12 33 11.2

Formation 50 Maynardville Limestone of the 

Conasauga Group (marker Y)

System or series Upper Cambrian

Formation top (relative to KB) (ft) -13,506

Formation top (relative to GL) (ft) -13,473

Formation top (relative to SL) (ft) -11,268

Formation 51 Nolichucky Shale of the Conasauga 

Group

System or series Upper Cambrian

Formation top (relative to KB) (ft) -13,662

Formation top (relative to GL) (ft) -13,629

Formation top (relative to SL) (ft) -11,424

Formation 52 Nolichucky Shale (limestone)

System or series Upper Cambrian

Formation top (relative to KB) (ft) -13,800

Formation top (relative to GL) (ft) -13,767

Formation top (relative to SL) (ft) -11,562
84 Pamphlet B—Geologic Cross Section I–I′ Through the Appalachian Basin

Appendix 2. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 11–19 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 11 12 13 14 15 

American Petroleum Institute 

well number 16–025–00745 16–071–27524 16–195–24577 16–195–18969 45–051–20238 

Lease name No. 8613T S.W. (B.) Williams No. 1 Hall No. 1 Stratton No. 201 Kentland Coal and Coke 

Company No. 20321–T Mullins Heirs 

Permanent datum Ground level Ground level Ground level Ground level Ground level 

Ground level elevation (ft) 762 676.5 1,177 1,352.42 1,519 

Kelly bushing elevation (ft) 774 700 1,199 1,360.42 1,536 

Measured from KB (12 ft APD) KB (23.5 ft APD) KB (22 ft APD) KB (8 ft APD) KB (17 ft APD) 

Drill depth (ft) 11,130 13,035 12,471 4,990 9,374 

KB elevation - GL elevation (ft) 12 23.5 22 8 17 

Formation 53 Nolichucky Shale of the 

Conasauga Group

St. Peter Sandstone High Bridge Group (lower 

member of Camp Nelson 

Limestone)

Benbolt Limestone (marker A) 

System or series Upper Cambrian Middle Ordovician Middle and Upper Ordovician Upper Ordovician 

Formation top (relative to KB) (ft) -6,770 -6,018 -7,070 -8,422 

Formation top (relative to GL) (ft) -6,758 -5,994.5 -7,048 -8,405 

Formation top (relative to SL) (ft) -5,996 -5,318 -5,871 -6,886 

Formation 54 Nolichucky Shale (limestone) Beekmantown Dolomite High Bridge Group (lower 

member of Camp Nelson 

Limestone) (marker C)

Benbolt Limestone (equivalent 

to Pecatonica Member of Camp 

Nelson Limestone) (marker B)

System or series Upper Cambrian Lower Ordovician Middle and Upper Ordovician Upper Ordovician 

Formation top (relative to KB) (ft) -6,800 -6,032 -7,135 -8,578 

Formation top (relative to GL) (ft) -6,788 -6,008.5 -7,113 -8,561 

Formation top (relative to SL) (ft) -6,026 -5,332 -5,936 -7,042 

Formation 55 Nolichucky Shale (shale) Rose Run Sandstone High Bridge Group (lower 

member of Camp Nelson 

Limestone) (marker D)

Rockdell Limestone 

(argillaceous limestone)

System or series Upper Cambrian Upper Cambrian Middle and Upper Ordovician Middle and Upper Ordovician 

Formation top (relative to KB) (ft) -6,850 -6,515 -7,250 -8,660 

Formation top (relative to GL) (ft) -6,838 -6,491.5 -7,228 -8,643 

Formation top (relative to SL) (ft) -6,076 -5,815 -6,051 -7,124 
Appendix 2. 85

Appendix 2. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 11–19 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 16 17 18 19

American Petroleum Institute 

well number 45–027–20147 45–027–04032 45–167–20256 45–169–19690

Lease name No. 9781–T Pittston Company No. 9722–T John W. Pobst and others No. 1 N.R. Price No. 1 E.D. Smith

Permanent datum Ground level Ground level Ground level Ground level

Ground level elevation (ft) 1,567.97 1,670.86 2,205 1,456.30

Kelly bushing elevation (ft) 1,579.97 1,682.86 2,238 1,467.50

Measured from KB (12 ft APD) KB (12 ft APD) KB (33 ft APD) KB (11.2 ft APD)

Drill depth (ft) 6,798 7,299 17,000 7,222

KB elevation - GL elevation (ft) 12 12 33 11.2

Formation 53 Nolichucky Shale (shale)

System or series Upper Cambrian

Formation top (relative to KB) (ft) -13,830

Formation top (relative to GL) (ft) -13,797

Formation top (relative to SL) (ft) -11,592

Formation 54 Nolichucky Shale (limestone)

System or series Upper Cambrian

Formation top (relative to KB) (ft) -13,902

Formation top (relative to GL) (ft) -13,869

Formation top (relative to SL) (ft) -11,664

Formation 55 Nolichucky Shale (shale)

System or series Upper Cambrian

Formation top (relative to KB) (ft) -13,978

Formation top (relative to GL) (ft) -13,945

Formation top (relative to SL) (ft) -11,740
86 Pamphlet B—Geologic Cross Section I–I′ Through the Appalachian Basin

Appendix 2. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 11–19 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 11 12 13 14 15 

American Petroleum Institute 

well number 16–025–00745 16–071–27524 16–195–24577 16–195–18969 45–051–20238 

Lease name No. 8613T S.W. (B.) Williams No. 1 Hall No. 1 Stratton No. 201 Kentland Coal and Coke 

Company No. 20321–T Mullins Heirs 

Permanent datum Ground level Ground level Ground level Ground level Ground level 

Ground level elevation (ft) 762 676.5 1,177 1,352.42 1,519 

Kelly bushing elevation (ft) 774 700 1,199 1,360.42 1,536 

Measured from KB (12 ft APD) KB (23.5 ft APD) KB (22 ft APD) KB (8 ft APD) KB (17 ft APD) 

Drill depth (ft) 11,130 13,035 12,471 4,990 9,374 

KB elevation - GL elevation (ft) 12 23.5 22 8 17 

Formation 56 Nolichucky Shale (limestone) Copper Ridge Dolomite Wells Creek dolomite Rockdell Limestone (marker C) 

System or series Upper Cambrian Upper Cambrian Middle and Upper Ordovician Middle and Upper Ordovician 

Formation top (relative to KB) (ft) -6,977 -6,630 -7,355 -8,730 

Formation top (relative to GL) (ft) -6,965 -6,606.5 -7,333 -8,713 

Formation top (relative to SL) (ft) -6,203 -5,930 -6,156 -7,194 

Formation 57 Nolichucky Shale (shale) Maynardville Limestone of the 

Conasauga Group (marker Y)

Beekmantown Dolomite Rockdell Limestone (marker D) 

System or series Upper Cambrian Upper Cambrian Lower Ordovician Middle and Upper Ordovician 

Formation top (relative to KB) (ft) -7,020 -7,700 -7,458 -8,860 

Formation top (relative to GL) (ft) -7,008 -7,676.5 -7,436 -8,843 

Formation top (relative to SL) (ft) -6,246 -7,000 -6,259 -7,324 

Formation 58 Maryville Limestone of the 

Conasauga Group

Nolichucky Shale of the 

Conasauga Group

Rose Run Sandstone Elway Limestone, Five Oaks 

Limestone, and Lincolnshire 

Limestone (equivalent to Wells 

Creek dolomite)

System or series Middle and Upper Cambrian Upper Cambrian Upper Cambrian Middle Ordovician 

Formation top (relative to KB) (ft) -7,587 -7,835 -8,020 -8,920 

Formation top (relative to GL) (ft) -7,575 -7,811.5 -7,998 -8,903 

Formation top (relative to SL) (ft) -6,813 -7,135 -6,821 -7,384 
Appendix 2. 87

Appendix 2. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 11–19 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 16 17 18 19

American Petroleum Institute 

well number 45–027–20147 45–027–04032 45–167–20256 45–169–19690

Lease name No. 9781–T Pittston Company No. 9722–T John W. Pobst and others No. 1 N.R. Price No. 1 E.D. Smith

Permanent datum Ground level Ground level Ground level Ground level

Ground level elevation (ft) 1,567.97 1,670.86 2,205 1,456.30

Kelly bushing elevation (ft) 1,579.97 1,682.86 2,238 1,467.50

Measured from KB (12 ft APD) KB (12 ft APD) KB (33 ft APD) KB (11.2 ft APD)

Drill depth (ft) 6,798 7,299 17,000 7,222

KB elevation - GL elevation (ft) 12 12 33 11.2

Formation 56 Maryville Limestone of the Conasauga 

Group

System or series Middle and Upper Cambrian

Formation top (relative to KB) (ft) -14,112

Formation top (relative to GL) (ft) -14,079

Formation top (relative to SL) (ft) -11,874

Formation 57 Rogersville Shale of the Conasauga 

Group

System or series Middle Cambrian

Formation top (relative to KB) (ft) -14,657

Formation top (relative to GL) (ft) -14,624

Formation top (relative to SL) (ft) -12,419

Formation 58 Rutledge Limestone of the Conasauga 

Group

System or series Middle Cambrian

Formation top (relative to KB) (ft) -14,715

Formation top (relative to GL) (ft) -14,682

Formation top (relative to SL) (ft) -12,477
88 Pamphlet B—Geologic Cross Section I–I′ Through the Appalachian Basin

Appendix 2. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 11–19 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 11 12 13 14 15 

American Petroleum Institute 

well number 16–025–00745 16–071–27524 16–195–24577 16–195–18969 45–051–20238 

Lease name No. 8613T S.W. (B.) Williams No. 1 Hall No. 1 Stratton No. 201 Kentland Coal and Coke 

Company No. 20321–T Mullins Heirs 

Permanent datum Ground level Ground level Ground level Ground level Ground level 

Ground level elevation (ft) 762 676.5 1,177 1,352.42 1,519 

Kelly bushing elevation (ft) 774 700 1,199 1,360.42 1,536 

Measured from KB (12 ft APD) KB (23.5 ft APD) KB (22 ft APD) KB (8 ft APD) KB (17 ft APD) 

Drill depth (ft) 11,130 13,035 12,471 4,990 9,374 

KB elevation - GL elevation (ft) 12 23.5 22 8 17 

Formation 59 Maryville Limestone of the 

Conasauga Group (shale)

Nolichucky Shale (limestone) Copper Ridge Dolomite Blackford Formation (equivalent 

to Wells Creek dolomite)

System or series Middle and Upper Cambrian Upper Cambrian Upper Cambrian Middle Ordovician 

Formation top (relative to KB) (ft) -7,750 -8,036 -8,224 -9,050 

Formation top (relative to GL) (ft) -7,738 -8,012.5 -8,202 -9,033 

Formation top (relative to SL) (ft) -6,976 -7,336 -7,025 -7,514 

Formation 60 Maryville Limestone of the 

Conasauga Group (limestone)

Nolichucky Shale (shale) Maynardville Limestone of the 

Conasauga Group (marker Y)

Blackford Formation (sandstone) 

System or series Middle and Upper Cambrian Upper Cambrian Upper Cambrian Middle Ordovician 

Formation top (relative to KB) (ft) -7,856 -8,050 -9,088 -9,165 

Formation top (relative to GL) (ft) -7,844 -8,026.5 -9,066 -9,148 

Formation top (relative to SL) (ft) -7,082 -7,350 -7,889 -7,629 

Formation 61 Maryville Limestone of the 

Conasauga Group (sandstone)

Nolichucky Shale (limestone) Nolichucky Shale of the 

Conasauga Group

Mascot Dolomite of the Knox 

Group

System or series Middle and Upper Cambrian Upper Cambrian Upper Cambrian Lower Ordovician 

Formation top (relative to KB) (ft) -8,110 -8,215 -9,230 -9,175 

Formation top (relative to GL) (ft) -8,098 -8,191.5 -9,208 -9,158 

Formation top (relative to SL) (ft) -7,336 -7,515 -8,031 -7,639 

Formation 62 Rogersville Shale of the 

Conasauga Group

Nolichucky Shale (shale) Nolichucky Shale (limestone) 

System or series Middle Cambrian Upper Cambrian Upper Cambrian 

Formation top (relative to KB) (ft) -8,240 -8,270 -9,372 

Formation top (relative to GL) (ft) -8,228 -8,246.5 -9,350 

Formation top (relative to SL) (ft) -7,466 -7,570 -8,173 
Appendix 2. 89

Appendix 2. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 11–19 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 16 17 18 19

American Petroleum Institute 

well number 45–027–20147 45–027–04032 45–167–20256 45–169–19690

Lease name No. 9781–T Pittston Company No. 9722–T John W. Pobst and others No. 1 N.R. Price No. 1 E.D. Smith

Permanent datum Ground level Ground level Ground level Ground level

Ground level elevation (ft) 1,567.97 1,670.86 2,205 1,456.30

Kelly bushing elevation (ft) 1,579.97 1,682.86 2,238 1,467.50

Measured from KB (12 ft APD) KB (12 ft APD) KB (33 ft APD) KB (11.2 ft APD)

Drill depth (ft) 6,798 7,299 17,000 7,222

KB elevation - GL elevation (ft) 12 12 33 11.2

Formation 59 Pumpkin Valley Shale of the Conasauga 

Group

System or series Middle Cambrian

Formation top (relative to KB) (ft) -14,940

Formation top (relative to GL) (ft) -14,907

Formation top (relative to SL) (ft) -12,702

Formation 60 Rome Formation (dolomite)

System or series Lower(?) and Middle Cambrian

Formation top (relative to KB) (ft) -15,008

Formation top (relative to GL) (ft) -14,975

Formation top (relative to SL) (ft) -12,770

Formation 61 Rome Formation (shale)

System or series Lower(?) and Middle Cambrian

Formation top (relative to KB) (ft) -15,222

Formation top (relative to GL) (ft) -15,189

Formation top (relative to SL) (ft) -12,984

Formation 62 Rome Formation (dolomite)

System or series Lower Cambrian

Formation top (relative to KB) (ft) -15,890

Formation top (relative to GL) (ft) -15,857

Formation top (relative to SL) (ft) -13,652
90 Pamphlet B—Geologic Cross Section I–I′ Through the Appalachian Basin

Appendix 2. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 11–19 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 11 12 13 14 15 

American Petroleum Institute 

well number 16–025–00745 16–071–27524 16–195–24577 16–195–18969 45–051–20238 

Lease name No. 8613T S.W. (B.) Williams No. 1 Hall No. 1 Stratton No. 201 Kentland Coal and Coke 

Company No. 20321–T Mullins Heirs 

Permanent datum Ground level Ground level Ground level Ground level Ground level 

Ground level elevation (ft) 762 676.5 1,177 1,352.42 1,519 

Kelly bushing elevation (ft) 774 700 1,199 1,360.42 1,536 

Measured from KB (12 ft APD) KB (23.5 ft APD) KB (22 ft APD) KB (8 ft APD) KB (17 ft APD) 

Drill depth (ft) 11,130 13,035 12,471 4,990 9,374 

KB elevation - GL elevation (ft) 12 23.5 22 8 17 

Formation 63 Rutledge Limestone of the 

Conasauga Group

Maryville Limestone of the 

Conasauga Group

Nolichucky Shale (shale) 

System or series Middle Cambrian Middle and Upper Cambrian Upper Cambrian 

Formation top (relative to KB) (ft) -8,563 -8,440 -9,400 

Formation top (relative to GL) (ft) -8,551 -8,416.5 -9,378 

Formation top (relative to SL) (ft) -7,789 -7,740 -8,201 

Formation 64 Pumpkin Valley Shale of the 

Conasauga Group

Maryville Limestone of the 

Conasauga Group (shale)

Nolichucky Shale (limestone) 

System or series Middle Cambrian Middle and Upper Cambrian Upper Cambrian 

Formation top (relative to KB) (ft) -8,898 -9,135 -9,500 

Formation top (relative to GL) (ft) -8,886 -9,111.5 -9,478 

Formation top (relative to SL) (ft) -8,124 -8,435 -8,301 

Formation 65 Rome Formation (limestone) Maryville Limestone of the 

Conasauga Group (limestone)

Nolichucky Shale (shale) 

System or series Middle Cambrian Middle and Upper Cambrian Upper Cambrian 

Formation top (relative to KB) (ft) -9,078 -9,230 -9,600 

Formation top (relative to GL) (ft) -9,066 -9,206.5 -9,578 

Formation top (relative to SL) (ft) -8,304 -8,530 -8,401 

Formation 66 Rome Formation (shale and 

sandstone)

Rogersville Shale of the 

Conasauga Group

Maryville Limestone of the 

Conasauga Group

System or series Lower(?) and Middle Cambrian Middle Cambrian Middle and Upper Cambrian 

Formation top (relative to KB) (ft) -9,400 -9,470 -9,705 

Formation top (relative to GL) (ft) -9,388 -9,446.5 -9,683 

Formation top (relative to SL) (ft) -8,626 -8,770 -8,506 
Appendix 2. 91

Appendix 2. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 11–19 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 16 17 18 19

American Petroleum Institute 

well number 45–027–20147 45–027–04032 45–167–20256 45–169–19690

Lease name No. 9781–T Pittston Company No. 9722–T John W. Pobst and others No. 1 N.R. Price No. 1 E.D. Smith

Permanent datum Ground level Ground level Ground level Ground level

Ground level elevation (ft) 1,567.97 1,670.86 2,205 1,456.30

Kelly bushing elevation (ft) 1,579.97 1,682.86 2,238 1,467.50

Measured from KB (12 ft APD) KB (12 ft APD) KB (33 ft APD) KB (11.2 ft APD)

Drill depth (ft) 6,798 7,299 17,000 7,222

KB elevation - GL elevation (ft) 12 12 33 11.2

Formation 63 Rome Formation (shale)

System or series Lower Cambrian

Formation top (relative to KB) (ft) -15,963

Formation top (relative to GL) (ft) -15,930

Formation top (relative to SL) (ft) -13,725

Formation 64 Rome Formation (dolomite)

System or series Lower Cambrian

Formation top (relative to KB) (ft) -16,117

Formation top (relative to GL) (ft) -16,084

Formation top (relative to SL) (ft) -13,879

Formation 65 Rome Formation (shale)

System or series Lower Cambrian

Formation top (relative to KB) (ft) -16,138

Formation top (relative to GL) (ft) -16,105

Formation top (relative to SL) (ft) -13,900

Formation 66 Shady Dolomite

System or series Lower Cambrian

Formation top (relative to KB) (ft) -16,242

Formation top (relative to GL) (ft) -16,209

Formation top (relative to SL) (ft) -14,004
92 Pamphlet B—Geologic Cross Section I–I′ Through the Appalachian Basin

Appendix 2. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 11–19 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 11 12 13 14 15 

American Petroleum Institute 

well number 16–025–00745 16–071–27524 16–195–24577 16–195–18969 45–051–20238 

Lease name No. 8613T S.W. (B.) Williams No. 1 Hall No. 1 Stratton No. 201 Kentland Coal and Coke 

Company No. 20321–T Mullins Heirs 

Permanent datum Ground level Ground level Ground level Ground level Ground level 

Ground level elevation (ft) 762 676.5 1,177 1,352.42 1,519 

Kelly bushing elevation (ft) 774 700 1,199 1,360.42 1,536 

Measured from KB (12 ft APD) KB (23.5 ft APD) KB (22 ft APD) KB (8 ft APD) KB (17 ft APD) 

Drill depth (ft) 11,130 13,035 12,471 4,990 9,374 

KB elevation - GL elevation (ft) 12 23.5 22 8 17 

Formation 67 Rome Formation (sandstone) Rutledge Limestone of the 

Conasauga Group

Rogersville Shale of the 

Conasauga Group

System or series Lower(?) and Middle Cambrian Middle Cambrian Middle Cambrian 

Formation top (relative to KB) (ft) -10,000 -9,710 -10,210 

Formation top (relative to GL) (ft) -9,988 -9,686.5 -10,188 

Formation top (relative to SL) (ft) -9,226 -9,010 -9,011 

Formation 68 Rome Formation (limestone) Pumpkin Valley Shale of the 

Conasauga Group

Rutledge Limestone of the 

Conasauga Group

System or series Lower(?) and Middle Cambrian Middle Cambrian Middle Cambrian 

Formation top (relative to KB) (ft) -10,370 -10,170 -10,420 

Formation top (relative to GL) (ft) -10,358 -10,146.5 -10,398 

Formation top (relative to SL) (ft) -9,596 -9,470 -9,221 

Formation 69 Rome Formation (sandstone and 

shale)

Rome Formation (limestone) Pumpkin Valley Shale of the 

Conasauga Group

System or series Lower(?) and Middle Cambrian Middle Cambrian Middle Cambrian 

Formation top (relative to KB) (ft) -10,400 -10,360 -10,686 

Formation top (relative to GL) (ft) -10,388 -10,336.5 -10,664 

Formation top (relative to SL) (ft) -9,626 -9,660 -9,487 

Formation 70 Rome Formation (limestone) Rome Formation (shale and 

limestone)

Rome Formation (limestone) 

System or series Lower(?) and Middle Cambrian Lower(?) and Middle Cambrian Middle Cambrian 

Formation top (relative to KB) (ft) -10,600 -10,876 -10,800 

Formation top (relative to GL) (ft) -10,588 -10,852.5 -10,778 

Formation top (relative to SL) (ft) -9,826 -10,176 -9,601 
Appendix 2. 93

Appendix 2. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 11–19 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 16 17 18 19

American Petroleum Institute 

well number 45–027–20147 45–027–04032 45–167–20256 45–169–19690

Lease name No. 9781–T Pittston Company No. 9722–T John W. Pobst and others No. 1 N.R. Price No. 1 E.D. Smith

Permanent datum Ground level Ground level Ground level Ground level

Ground level elevation (ft) 1,567.97 1,670.86 2,205 1,456.30

Kelly bushing elevation (ft) 1,579.97 1,682.86 2,238 1,467.50

Measured from KB (12 ft APD) KB (12 ft APD) KB (33 ft APD) KB (11.2 ft APD)

Drill depth (ft) 6,798 7,299 17,000 7,222

KB elevation - GL elevation (ft) 12 12 33 11.2

Formation 67 Chilhowee Group (basal sandstone)

System or series Lower Cambrian

Formation top (relative to KB) (ft) -16,490

Formation top (relative to GL) (ft) -16,457

Formation top (relative to SL) (ft) -14,252

Formation 68 Granite and (or) gneiss

System or series Mesoproterozoic

Formation top (relative to KB) (ft) -16,646

Formation top (relative to GL) (ft) -16,613

Formation top (relative to SL) (ft) -14,408

Formation 69

System or series

Formation top (relative to KB) (ft)

Formation top (relative to GL) (ft)

Formation top (relative to SL) (ft)

Formation 70

System or series

Formation top (relative to KB) (ft)

Formation top (relative to GL) (ft)

Formation top (relative to SL) (ft)
94 Pamphlet B—Geologic Cross Section I–I′ Through the Appalachian Basin

Appendix 2. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 11–19 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 11 12 13 14 15 

American Petroleum Institute 

well number 16–025–00745 16–071–27524 16–195–24577 16–195–18969 45–051–20238 

Lease name No. 8613T S.W. (B.) Williams No. 1 Hall No. 1 Stratton No. 201 Kentland Coal and Coke 

Company No. 20321–T Mullins Heirs 

Permanent datum Ground level Ground level Ground level Ground level Ground level 

Ground level elevation (ft) 762 676.5 1,177 1,352.42 1,519 

Kelly bushing elevation (ft) 774 700 1,199 1,360.42 1,536 

Measured from KB (12 ft APD) KB (23.5 ft APD) KB (22 ft APD) KB (8 ft APD) KB (17 ft APD) 

Drill depth (ft) 11,130 13,035 12,471 4,990 9,374 

KB elevation - GL elevation (ft) 12 23.5 22 8 17 

Formation 71 Rome Formation (sandstone and 

shale)

Rome Formation (limestone) Rome Formation (shale and 

siltstone)

System or series Lower(?) and Middle Cambrian Lower(?) and Middle Cambrian Lower(?) and Middle Cambrian 

Formation top (relative to KB) (ft) -10,610 -12,126 -11,150 

Formation top (relative to GL) (ft) -10,598 -12,102.5 -11,128 

Formation top (relative to SL) (ft) -9,836 -11,426 -9,951 

Formation 72 Shady Dolomite Rome Formation (shale and 

limestone)

Rome Formation (limestone) 

System or series Lower Cambrian Lower(?) and Middle Cambrian Lower(?) and Middle Cambrian 

Formation top (relative to KB) (ft) -10,706 -12,175 -11,650 

Formation top (relative to GL) (ft) -10,694 -12,151.5 -11,628 

Formation top (relative to SL) (ft) -9,932 -11,475 -10,451 

Formation 73 Chilhowee Group (basal 

sandstone)

Rome Formation (limestone) Rome Formation (shale and 

siltstone)

System or series Lower Cambrian Lower(?) and Middle Cambrian Lower(?) and Middle Cambrian 

Formation top (relative to KB) (ft) -10,871 -12,300 -11,695 

Formation top (relative to GL) (ft) -10,859 -12,276.5 -11,673 

Formation top (relative to SL) (ft) -10,097 -11,600 -10,496 

Formation 74 Granite and chlorite schist Rome Formation (shale and 

limestone)

Rome Formation (dolomite) 

System or series Mesoproterozoic Lower(?) and Middle Cambrian Lower(?) and Middle Cambrian 

Formation top (relative to KB) (ft) -10,970 -12,350 -11,866 

Formation top (relative to GL) (ft) -10,958 -12,326.5 -11,844 

Formation top (relative to SL) (ft) -10,196 -11,650 -10,667 
Appendix 2. 95

Appendix 2. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 11–19 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 16 17 18 19

American Petroleum Institute 

well number 45–027–20147 45–027–04032 45–167–20256 45–169–19690

Lease name No. 9781–T Pittston Company No. 9722–T John W. Pobst and others No. 1 N.R. Price No. 1 E.D. Smith

Permanent datum Ground level Ground level Ground level Ground level

Ground level elevation (ft) 1,567.97 1,670.86 2,205 1,456.30

Kelly bushing elevation (ft) 1,579.97 1,682.86 2,238 1,467.50

Measured from KB (12 ft APD) KB (12 ft APD) KB (33 ft APD) KB (11.2 ft APD)

Drill depth (ft) 6,798 7,299 17,000 7,222

KB elevation - GL elevation (ft) 12 12 33 11.2

Formation 71

System or series

Formation top (relative to KB) (ft)

Formation top (relative to GL) (ft)

Formation top (relative to SL) (ft)

Formation 72

System or series

Formation top (relative to KB) (ft)

Formation top (relative to GL) (ft)

Formation top (relative to SL) (ft)

Formation 73

System or series

Formation top (relative to KB) (ft)

Formation top (relative to GL) (ft)

Formation top (relative to SL) (ft)

Formation 74

System or series

Formation top (relative to KB) (ft)

Formation top (relative to GL) (ft)

Formation top (relative to SL) (ft)
96 Pamphlet B—Geologic Cross Section I–I′ Through the Appalachian Basin

Appendix 2. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 11–19 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 11 12 13 14 15 

American Petroleum Institute 

well number 16–025–00745 16–071–27524 16–195–24577 16–195–18969 45–051–20238 

Lease name No. 8613T S.W. (B.) Williams No. 1 Hall No. 1 Stratton No. 201 Kentland Coal and Coke 

Company No. 20321–T Mullins Heirs 

Permanent datum Ground level Ground level Ground level Ground level Ground level 

Ground level elevation (ft) 762 676.5 1,177 1,352.42 1,519 

Kelly bushing elevation (ft) 774 700 1,199 1,360.42 1,536 

Measured from KB (12 ft APD) KB (23.5 ft APD) KB (22 ft APD) KB (8 ft APD) KB (17 ft APD) 

Drill depth (ft) 11,130 13,035 12,471 4,990 9,374 

KB elevation - GL elevation (ft) 12 23.5 22 8 17 

Formation 75 Shady Dolomite Rome Formation (shale and 

siltstone)

System or series Lower Cambrian Lower(?) and Middle Cambrian 

Formation top (relative to KB) (ft) -12,490 -11,942 

Formation top (relative to GL) (ft) -12,466.5 -11,920 

Formation top (relative to SL) (ft) -11,790 -10,743 

Formation 76 Chilhowee Group (basal 

sandstone)

Shady Dolomite 

System or series Lower Cambrian Lower Cambrian 

Formation top (relative to KB) (ft) -12,666 -12,140 

Formation top (relative to GL) (ft) -12,642.5 -12,118 

Formation top (relative to SL) (ft) -11,966 -10,941 

Formation 77 Granite and (or) gneiss Chilhowee Group (basal 

sandstone)

System or series Mesoproterozoic Lower Cambrian 

Formation top (relative to KB) (ft) -12,783 -12,370 

Formation top (relative to GL) (ft) -12,759.5 -12,348 

Formation top (relative to SL) (ft) -12,083 -11,171 

Formation 78 Granite and (or) gneiss 

System or series Mesoproterozoic 

Formation top (relative to KB) (ft) -12,420 

Formation top (relative to GL) (ft) -12,398 

Formation top (relative to SL) (ft) -11,221 
Appendix 2. 97

Appendix 2. Table Summarizing Stratigraphic Units and Depths of Stratigraphic Units for Drill Holes 11–19 in Cross Section I–I′.—Continued

[Abbreviations: APD, above permanent datum; ft, feet; GL, ground level; KB, kelly bushing; SL, sea level]

Drill hole number 16 17 18 19

American Petroleum Institute 

well number 45–027–20147 45–027–04032 45–167–20256 45–169–19690

Lease name No. 9781–T Pittston Company No. 9722–T John W. Pobst and others No. 1 N.R. Price No. 1 E.D. Smith

Permanent datum Ground level Ground level Ground level Ground level

Ground level elevation (ft) 1,567.97 1,670.86 2,205 1,456.30

Kelly bushing elevation (ft) 1,579.97 1,682.86 2,238 1,467.50

Measured from KB (12 ft APD) KB (12 ft APD) KB (33 ft APD) KB (11.2 ft APD)

Drill depth (ft) 6,798 7,299 17,000 7,222

KB elevation - GL elevation (ft) 12 12 33 11.2

Formation 75

System or series

Formation top (relative to KB) (ft)

Formation top (relative to GL) (ft)

Formation top (relative to SL) (ft)

Formation 76

System or series

Formation top (relative to KB) (ft)

Formation top (relative to GL) (ft)

Formation top (relative to SL) (ft)

Formation 77

System or series

Formation top (relative to KB) (ft)

Formation top (relative to GL) (ft)

Formation top (relative to SL) (ft)

Formation 78

System or series

Formation top (relative to KB) (ft)

Formation top (relative to GL) (ft)

Formation top (relative to SL) (ft)

Appendix 3. Scale, Units, and Depths for Gamma-Ray Logging Runs
100 Pamphlet B—Geologic Cross Section I–I′ Through the Appalachian Basin

Appendix 3. Scale, units, and depths for gamma-ray logging runs.—Continued

[Abbreviations: API, American Petroleum Institute; ft, feet; KB, kelly bushing; nd, no data; no., number; TD, total depth; μgm Ra-eq/ton, micrograms of radium equivalent per metric ton]

Drill hole 

no.

Scale and units Depth of selected logged interval Casing shoe 

location

Notes

1 0–200 API units

200–400 API units (backup scale)

16 ft below KB to 438 ft 125 ft below KB The gamma ray values for the overlapping 

first and second logging runs do not match.

0–200 API units 430 ft below KB to 5,230 ft 430 ft below KB

0–138 API units 5,230 ft below KB to TD (used in cross section); 

entire logging run from 4,300 ft below KB to TD

nd

2 nd nd

3 nd nd

4 0–88 API units KB to TD nd

5 0–120(?) API units KB to TD nd

6 0–200 API units

200–400 API units (backup scale)

100 ft below KB to TD nd

7 0–200 API units

200–400 API units (backup scale)

KB to TD nd

8 0–200 API units

200–400 API units (backup scale)

20 ft below KB to 865 ft nd

0–250 API units

250–500 API units (backup scale)

865 ft below KB to 1,110 ft nd

0–200 API units

200–400 API units (backup scale)

1,110 ft below KB to TD nd

9 0–200 API units

200–400 API units (backup scale)

KB to 2,672 ft

2,672 ft below KB to TD

nd

10 0–200 API units

200–400 API units (backup scale)

60 ft below KB to 940 ft nd

0–200 API units

200–400 API units (backup scale)

940 ft below KB to 3,105 ft nd

0–200 API units

200–400 API units (backup scale)

2,978 ft below KB to 9,780 ft nd

0–200 API units

200–400 API units (backup scale)

9,780 ft below KB to TD nd

11 0–10 μgm Ra-eq/ton 100 ft below KB to 4,320 ft nd

0–10 μgm Ra-eq/ton

10–20 μgm Ra-eq/ton (backup scale)

4,320 ft below KB to TD nd
Appendix 3. 101

Appendix 3. Scale, units, and depths for gamma-ray logging runs.—Continued

[Abbreviations: API, American Petroleum Institute; ft, feet; KB, kelly bushing; nd, no data; no., number; TD, total depth; μgm Ra-eq/ton, micrograms of radium equivalent per metric ton]

Drill hole 

no.

Scale and units Depth of selected logged interval Casing shoe 

location

Notes

12 0–200 API units

200–400 API units (backup scale)

KB to 7,490 ft below KB nd

0–200 API units

200–400 API units (backup scale)

7,490 ft below KB to 10,490 ft nd

Drilling time log only 10,490 ft below KB to TD nd Drilling time log (ft per hour); not shown on 

cross section I–I′.

13 0–200 API units

200–400 API units (backup scale)

60 ft below KB to 2,180 ft nd

0–200 API units

200–400 API units (backup scale)

2,180 ft below KB to 5,840 ft nd

0–200 API units

200–400 API units (backup scale)

5,840 ft below KB to TD nd

14 0–200 API units

200–400 API units (backup scale)

90 ft below KB to TD nd

15 0–250 API units

250–500 API units (backup scale)

KB to 5,250 ft nd

0–200 API units

200–400 API units (backup scale)

5,250 ft below KB to 5,660 ft nd

0–200 API units

200–400 API units (backup scale)

5,660 ft below KB to 8,910 ft nd

0–200 API units

200–400 API units (backup scale)

8,910 ft below KB to TD nd

16 0–200 API units

200–400 API units (backup scale)

90 ft below KB to 5,860 ft nd

0–200 API units

200–400 API units (backup scale)

5,860 ft below KB to TD nd

17 0–200 API units

200–400 API units (backup scale)

100 ft below KB to 6,850 ft nd

0–200 API units

200–400 API units (backup scale)

6,850 ft below KB to TD nd
102 Pamphlet B—Geologic Cross Section I–I′ Through the Appalachian Basin

Appendix 3. Scale, units, and depths for gamma-ray logging runs.—Continued

[Abbreviations: API, American Petroleum Institute; ft, feet; KB, kelly bushing; nd, no data; no., number; TD, total depth; μgm Ra-eq/ton, micrograms of radium equivalent per metric ton]

Drill hole 

no.

Scale and units Depth of selected logged interval Casing shoe 

location

Notes

18 0–200 API units

200–400 API units (backup scale)

254 ft below KB to 1,388 ft nd

0–200 API units

200–400 API units (backup scale)

1,388 ft below KB to 8,408 ft nd

0–200 API units

200–400 API units (backup scale)

8,408 ft below KB to 13,490 ft nd

0–250 API units

250–500 API units (backup scale)

13,490 ft below KB to TD nd

19 0–200 API units

200–400 API units (backup scale)

80 ft below KB to 4,420 ft nd

0–250 API units

250–500 API units (backup scale)

4,420 ft below KB to TD nd

Ryder and others—Geologic Cross Section I–I′ Through the Appalachian Basin, Pamphlet B—SIM 3343

ISSN 2329-1311 (print)

ISSN 2329-132X (online)

http://dx.doi.org/10.3133/sim3343