Kanab

Creek

Bright

Angel

Creek

Little

Colorado

River

COLORADO

COLORADO

RIVER

RIVER

Cataract

Creek

Havasu 

Creek

Lake Powell

Lake

Mead

Virgin

River

UTAH

ARIZONA

UTAH

ARIZONA

COCONINO PLATEAU

GRANDVIEW 

MONOCLINE

EAST KAIBAB 

MONOCLINE

MARBLE 

PLATFORM

LITTLE COLORADO RIVER

GORGE

Qv 2,000

1,500

1,000

500

SEA LEVEL

2,500

METERS

2,000

1,500

1,000

500

SEA LEVEL

2,500

METERS

Xc

Xc

Pk

Pk

Pk

Pk Pk

Pk

Qay Pc

Pc

Pt

Pe

Ph *Ms

*Ms

Mr

_ba Dtb

_m

_t

^m

F F'

VERTICAL EXAGGERATION X 20

HORIZONTAL EXAGGERATION X 2

Not all Quaternary units shown

(from Billingsley and others, 2007)

Cateract Canyon

CATARACT SYNCLINE

SUPAI MONOCLINE

Howard

Hill

Red Butte

Skinner Ridge

Coconino Wash

COCONINO PLATEAU

Red Horse Wash

Red Horse Wash

Red Horse Wash

2,000

1,500

1,000

500

SEA LEVEL

2,500

METERS

Qay Qgy Qay Qgo Qgo

Pk Pk Pk Pk

Qv Qgy Qf Qgy

QTmf

Qv Qay Qay Qf Qay Qay Qgo

Dtb

Dtb

Dtb

Pt

Pt

Ql Qv Qao QaoQv Qv

Qv

QTu

Qay Qay Pk

Qgy

2,000

1,500

1,000

500

SEA LEVEL

2,500

METERS

BEND IN

SECTION

Xc Xc

Xc

_m

_ba

*Ms *Ms

*Ms

Ph Ph

Ph

Pe

Ms Mr

Mr

Mr

Ms

Ms

Qv Qv Qay

_ba

_m _ba _m

_t

_t

^m

^m

^m

Pc

Pc

Pc

E E'

VERTICAL EXAGGERATION × 20

HORIZONTAL EXAGGERATION × 2

Not all Quaternary units shown

(from Billingsley, Felger, and Priest, 2006)

SHIVWITS PLATEAU GRAND CANYON

Grassy

Mountain

Parashant Canyon

Whitmore Canyon

HURRICANE FAULT

Paws Pocket

Colorado River

Prospect Valley

TOROWEAP FAULT

DELLENBAUGH FAULT

Pk Pk Pk

Pk

Pk

Pt Pt Pt

Pt

Pt

Ph Ph

Ph

Ph

Pep Pep

Mr Mr

Mr

Mr

Dtb

Qay

Pk

QTv

QTv

Ql Ql

Dtb

Qay

Qay

Qay

Pe Pe Pe

Dtb

Dtb

Xgr Xgr

Qp

Ms

Ms

Ms Ms Ms

Ms

Ms

Pc

Pc

Pc

Qv

2,000

1,500

1,000

500

SEA LEVEL

2500

METERS

2,000

1,500

1,000

500

SEA LEVEL

2,500

METERS

QTu

QTu

QTu

QTu

QTu

QTu

QTu

QTv

QTv

_ba

_ba _ba

_ba

_ba

_ba

_m _m _m

_m _m

_m

_t

_t _t _t

*Ms *Ms

*Ms *Ms

*Ms

*Ms

^m ^m

VERTICAL EXAGGERATION × 20

HORIZONTAL EXAGGERATION × 2

Not all Quaternary units shown

(from Billingsley and Wellmeyer, 2003, rev. 2006)

^m

D D'

KAIBAB PLATEAU

KAIBAB

ANTICLINE

House Rock

Valley

LOWER EAST KAIBAB

UPPER EAST KAIBAB

MONOCLINE

MONOCLINE

Little

Mountain

Nail canyon

Qay Qv

Pk

Pk Pc Ph

Pe

Pk

Xc

Pt

Qay

Pk

Mr

Dtb

Dtb

Qv

2,000

1,500

1,000

500

SEA LEVEL

2,500

2,000

1,500

1,000

500

SEA LEVEL

2,500

METERS METERS

_t _ba _m

*Ms

C C'

VERTICAL EXAGGERATION × 20

HORIZONTAL EXAGGERATION × 2

Not all Quaternary units shown

(from Billingsley and others, 2008)

KANAB

PLATEAU

2,000

1,500

1,000

500

SEA LEVEL

METERS Antelope

Valley

WILD BAND VALLEY

Little

Hurricane

Ridge

SEVIER FAULT

Sunshine

Point Sunshine

Ridge

Jumpup

Point

Kanab Creek

UINKARET PLATEAU KANAB PLATEAU

Pk Pk

Qay Qay Qay

Pk

Pk

Qtr

Qay

Qay Qay Qay

Xc

Mr

Pe

Ph Pc Pt

Dtb

TOROWEAP FAULT

2,000

1,500

1,000

500

SEA LEVEL

METERS

_ _ba t _m

*Ms

BEND IN

SECTION

^m ^m

VERTICAL EXAGGERATION × 20

HORIZONTAL EXAGGERATION × 2

Not all Quaternary units shown

(from Billingsley and others, 2008)

B B'

Not all Quaternary units shown

(from Billingsley and Workman, 2000)

Xc

Xc

QTv QTv

Pk

Ql Pk Qay QTu

Pk

Qao

Pk

Pt

Qay

Pk Ph Ph

Qay

Pk

Pt

Pt

Pt

Ph Pep Ph Ph

Pep

Pep Pep Pep Pep

Mr Mr

Tgw

Dtb

Mr

Dtb

Dtb

Mr Mr Dtb

Ph

QTv

Pk

Ph

Ql

Mr

Dtb

Qt Qao

Qay

Xc

Pq

Ph

Pq

Mr Dtb

Qtr

Ql

Pq Pep

Ql

*Ms

Pt Mesquite Basin

COLORADO PLATEAU

2,000

1,500

1,000

500

SEA LEVEL

2,500

METERS

2,000

1,500

1,000

500

SEA LEVEL

2,500

METERS

_t _ba

_m

_m _m

_n

_n

_n _n

Pt

*Ms

*Ms

*Ms

*Ms

*Ms

*Ms

*Ms

Virgin Mountains Wolf Hole

Mountain

Seegmiller

Mountain

Clayhole

Valley

Tombstone Canyon

Dutchman Draw

Hurricane Wash

HURRICANE FAULT

Hurricane Cliffs

SHIVWITS PLATEAU UINKARET PLATEAU

Black Rock

Mountain

^c

^m

^m ^m ^m

^m ^m ^m

^m

VERTICAL EXAGGERATION × 20

HORIZONTAL EXAGGERATION × 2

Pk

A BASIN AND RANGE A'

0 10 20 30 40 50 MILES

0 10 20 30 40 50 KILOMETERS

SCALE 1: 375 000

35°30

114°00

36°00

113°00

36°30

37°00

114°00 113°00 112°00 111°00

37°00

36°30

36°00

35°30

111°00 112°00

LITTLEFIELD

Map I–2628

(Billingsley and Workman, 2000)

http://pubs.usgs.gov/imap/i2628

MOUNT TRUMBULL

Map I–2766

(Billingsley and Wellmeyer, 2000)

http://pubs.usgs.gov/imap/i2766

GRAND CANYON

Map I–2688

(Billingsley, 2000)

http://pubs.usgs.gov/imap/i-2688

PEACH SPRINGS

SIM–2900

(Billingsley, Block, and Dyer, 2006)

http://pubs.usgs.gov/sim/2006/2900

VALLE

SIM–2895

(Billingsley, Felger, and Priest, 2006)

http://pubs.usgs.gov/sim/2006/2895

FREDONIA

SIM–3035

(Billingsley and others, 2008)

http://pubs.usgs.gov/sim/3035

CAMERON

SIM–2977

(Billingsley and others, 2007)

http://pubs.usgs.gov/sim/2007/2977

GLEN CANYON DAM

(mapping in progress)

TUBA CITY

(mapping in progress)

Geologic map index. Quadrangle name, U.S. Geological Survey publication number, authorship of publication, and URL where publication can be found online. Colors on index indicate geologic map units as described in quadrangle maps. 

A

F'

E' F

D'

E

C'

C

A'

B'

D

B

HURRICANE

TOROWEAP

SINYALA 

BIG SPRINGS

EAST KAIBAB MONOCLINE

MESA 

GRANDVIEW 

BRIGHT ANGEL 

DELLENBAUGH 

GRANDWASH

SUPAI 

MONOCLINE

FAULT

SEVIER

HURRICANE 

MAIN STREET 

GRANDWASH 

MUAV

FAULT

FAULT

FAULT

FAULT

FAULT

FAULT

MONOCLINE

FAULT

FAULT

FAULT

FAULT

FAULT

FAULT

MUAV

FAULT

FAULT

AUBREY

FAULT

BUTTE

C O C O N I N O P L A T E A U 

M A R B L E P L A T E A U 

L I T T L E C O L O R A D O 

 R I V E R V A L L E Y 

P L A T E A U 

U I N K A R E T P L A T E A U

S H I V W I T S P L A T E A U

H U A L A P A I P L A T EA U

H A V A S U - C A T A R A C T B A S I N

K A N A B P L A T E A U

C O C O N I N O P L A T E A U 

C O C O N I N O P L A T E A U 

K A I B A B 

EAST

MONOCLINE

K AIBAB

KAIBAB

NATIONAL FOREST

COCONINO

NATIONAL FOREST

WUPATKI

NATIONAL

MONUMENT

NAVAJO

INDIAN

RESERVATION

HUALAPAI

INDIAN

RESERVATION

KAIBAB NATIONAL FOREST

KAIBAB

NATIONAL FOREST

HAVASUPAI

INDIAN RESERVATION

GRAND CANYON

NATIONAL PARK

GRAND CANYON

NATIONAL PARK

LAKE MEAD

NATIONAL

RECREATION

AREA

LAKE MEAD

NATIONAL

RECREATION AREA

VERMILION CLIFFS

NATIONAL

MONUMENT

GLEN CANYON

NATIONAL

RECREATION AREA

KAIBAB-PAIUTE

INDIAN

 RESERVATION

KAIBAB NAT FOREST

PIPE SPRING

NATIONAL

MONUMENT

HUALAPAI

INDIAN

RESERVATION

GRAND CANYON

NATIONAL

GAME PRESERVE

GRAND CANYON

NATIONAL

GAME PRESERVE

GRAND CANYON–PARASHANT

NATIONAL

MONUMENT

KAIBAB

NATIONAL

FOREST

(GRAND CANYON

NATIONAL GAME PRESERVE)

GRAND CANYON

NATIONAL PARK

NATIONAL

FOREST

BOUNDARY

APPROXIMATE

BOUNDARY

DATA SOURCES

Billingsley, G.H., 2000, Geologic map of the Grand Canyon 30' × 60' quadrangle, Coconino and 

Mojave Counties, northwestern Arizona: U.S. Geological Survey Geologic Investigations 

Series I–2688, scale 1:100,000. [Available at URL http://pubs.usgs.gov/imap/i-2688/].

Billingsley, G.H., Block, D.L., and Dyer, H.C., 2006, Geologic Map of the Peach Springs 30' × 60' 

Quadrangle, Mohave and Coconino Counties, Northwestern Arizona: U.S. Geological Survey 

Investigations Map 2900, scale 1:100,000. [Available at URL http://pubs.usgs.gov/sim/2006/2900/]

Billingsley, G.H., Felger, T.J., and Priest, S.S., 2006, Geologic map of the Valle 30' × 60' 

quadrangle, Coconino County, Northern Arizona: U.S. Geological Survey Scientific Investigations Map 2895, scale 1:100,000. [Available at URL http://pubs.usgs.gov/sim/2006/2895/]

Billingsley, G.H., and Priest, S.S., 2010, Geologic map of the House Rock Valley area, Coconino 

County, northern Arizona: U.S. Geological Survey Scientific Investigations Map 3108, scale 

1:50,000, 26 p. [Available at URL http://pubs.usgs.gov/sim/3108] 

Billingsley, G.H., Priest, S.S., and Felger, T.J., 2007, Geologic map of the Cameron 30' × 60' 

quadrangle, Coconino County, northern Arizona: U.S. Geological Survey Scientific Investigations Map 2977, scale 1;100,000. [Available at URL http://pubs.usgs.gov/sim/2007/2977/]

Billingsley, G.H., Priest, S.S., and Felger, T.J., 2008, Geologic map of the Fredonia 30' × 60' 

quadrangle, Mohave and Coconino Counties, northern Arizona: U.S. Geological Survey 

Investigations Map 3035, scale 1;100,000. [Available at URL http://pubs.usgs.gov/sim/3035/]

Billingsley, G.H., Spamer, E.E., and Menkes, Dove, 1997, Quest for the pillar of gold—The mines 

and miners of the Grand Canyon: Grand Canyon, Ariz., Grand Canyon Association Monograph no. 10, 112 p. [http://www.grandcanyon.org/booksmore/booksmore_epublications.asp]

Billingsley, G.H., and Wellmeyer, J.L., 2003, (rev. 2006), Geologic map of the Mount Trumbull 30' 

× 60' quadrangle, Mohave and Coconino Counties, northwestern Arizona, version 1.1: U.S. 

Geological Survey Geologic Investigations Series I–2766, scale 1:100,000 [Available at URL 

http://pubs.usgs.gov/imap/i2766/].

Billingsley, G.H., and Workman, J.B., 2000, Geologic map of the Littlefield 30' × 60' quadrangle, 

Mohave County, northwestern Arizona: U.S. Geological Survey Geologic Investigations 

Series I–2628, scale 1;100,000. [Available at URL http://pubs.usgs.gov/imap/i2628]

COLORADO PLATEAU

Flagstaff

Phoenix

NEVADA

CALIFORNIA

UTAH

COLORADO

NEW MEXICO

Map location. Location of map area indicated by black box. Segregation 

areas in orange.

ARIZONA

EXPLANATION

Interstate and U.S. Routes

State routes

Local highways and roads

State boundary

Segregation area boundary

Indian reservation, National Park, or Recreation Area 

boundary

National Monument or Game Preserve boundary

National Forest boundary

Location of city or town

Faults

Monocline or anticline

Anticline or syncline

Known uranium orebody—Both mined and unmined, with 

locality label

Mine location (Billingsley and others, 1997)

Exposed breccia pipe

Collapse feature

15

89

89

89

89

89

ALT

89

ALT

89

389

59

66

64

64

67

64

180

111°30'

111°30'

112°00'

112°00'

112°30'

112°30'

113°00'

113°00'

113°30'

113°30'

114°00'

114°00'

37°00' 37°00'

36°30' 36°30'

36°00 36°00'

35°30' 35°30'

Washington

St. George

Littlefield

Colorado City

Pipe

Spring

Kanab

Fredonia

Big Water

Lees Ferry

Marble Canyon

Bitter Springs

Jacob

Lake

Supai

North

Rim

Tusayan

Valle

Peach

Springs

EZ–1

EZ–2 Hack

Canyon

Hack 1

Hack 2

Hack 3

Hermit Kanab

North

Pigeon

Arizona 1 Pinenut

Chapel

Ridenour

Orphan

Lode

Canyon

NORTH 

SEGREGATION

AREA

SOUTH

SEGREGATION

AREA

EAST

SEGREGATION 

AREA

Moccasin

U.S. DEPARTMENT OF THE INTERIOR

U.S. GEOLOGICAL SURVEY

GIS data and map compiled by Kristin M. Brown, 2010

Known uranium-ore-bearing breccia pipes located by 

Bradley S. Van Gosen, 2009

This and other USGS information products are available at http://store.usgs.gov/

U.S. Geological Survey

Box 25286, Denver Federal Center

Denver, CO 80225

To learn about the USGS and its information products visit

http://www.usgs.gov/

1-888-ASK-USGS

This report is available at:

http://pubs.usgs.gov/sir/2010/5025

Any use of trade, product, or firm names is for descriptive purposes

only and does not imply endorsement by the U.S. Government.

Although this information product, for the most part, is in the public 

domain, it also contains copyrighted materials as noted in the text. 

Permission to reproduce copyrighted items for other than personal use

must be secured from the copyright owner. 

Publishing support provided by:

Denver Publishing Service Center

For more information concerning this publication, contact:

Pacific Southwest Regional Executive Office, USGS

3020 State University Drive East

Modoc Hall, Suite 3005

Sacramento, CA 95819–2632

Phone: 916–278–9551

Suggested citation:

Alpine, Andrea E., ed., 2010, Hydrological, geological, and biological

site characterization of breccia pipe uranium deposits in northern

Arizona: U.S. Geological Survey Scientific Investigations Report

2010–5025, 353 p., 1 pl., scale 1: 375,000.

MAP SHOWING GEOLOGIC STRUCTURE, CULTURAL AND GEOGRAPHIC FEATURES, AND GEOLOGIC CROSS SECTIONS OF NORTHWESTERN ARIZONA

By

Kristin M. Brown and George H. Billingsley 

2010

MAP LOCATION

TRUE NORTH

MAGNETIC NORTH

12°

APPROXIMATE MEAN DECLINATION

AT CENTER OF MAP, 2010

DECLINATION RANGE 11.4 TO 12.2 IN MAP AREA

SCIENTIFIC INVESTIGATIONS REPORT 2010–5025

PLATE 1

North American Datum of 1983 (NAD 83)

Projection: Universal Transverse Mercator, zone 12

Shaded relief base from Arizona State Land Department, available at 

http://www.land.state.az.us/alris/layers.html

Boundaries from Bureau of Land Management, accessed January, 2010, at 

http://www.blm.gov/az/GIS/strip_rod/meta/landown_dis.htm

Segregation area boundaries from the Bureau of Land Management, Arizona Strip District 

Office, St. George, Utah, http://www.blm.gov/az/st/en/fo/arizona_strip_field.html

National Forest boundaries accessed on February 5, 2010, at 

http://www.fs.fed.us/r3/gis

Private inholdings may exist in National or State reservations

Not all boundaries have been placed on the map owing to limitations of scale 

and complexity of land ownership and status

Segregation area boundaries are current as of October 2009. Segregation area 

boundaries are approximate

CORRELATION OF GEOLOGIC UNITS

SURFICIAL DEPOSITS

Holocene

Pleistocene

Unconformity

Unconformity

VOLCANIC ROCKS

Unconformity

SEDIMENTARY ROCKS

Qf

Qgy

QTmf QTu QTv

Tgw

Qay Qt Ql Qv Qtr Qao Qgo

Pk

Pt

^c

^m

Ph

Mr

Dtb

Pq

Pc

*Ms

Ms

Pe

Pep

_m

_ba

_t

_n

Xgr

Xc

EARLY PROTEROZOIC CRYSTALLINE ROCKS

Greatest Angular Unconformity

Pleistocene

Pliocene and

Miocene

QUATERNARY

QUATERNARY

and

TERTIARY

Middle(?) and

Lower Triassic

Supai Group

Unconformity

Unconformity

Unconformity

Unconformity

Unconformity

Lower

Permian

Unconformity

Unconformity

Unconformity

Unconformity

Pleistocene

Pliocene and

Miocene

Upper Pennsylvanian

to Upper Mississippian

Upper to Lower

Mississippian

Upper and Middle

Devonian

Upper Cambrian

Tonto Group

Middle and Lower

Cambrian

Middle Cambrian

Upper Triassic

EARLY

PROTEROZOIC

CAMBRIAN

DEVONIAN

MISSISSIPPIAN

PENNSYLVANIAN

PERMIAN

TRIASSIC

[Descriptions and correlations of geologic units may be found in the data source publication indicated for each cross section. Geologic

units listed are found in the cross sections or are referenced in the report that accompanies this plate] 

Qgo

Qao

Pk

Pt

Pc

Ph

QTmf

QTu

QTv

Qgy

Qay

Tgw

Qf

Qtr

Qv

Ql

Qt

^m

^c

Pe

Pep

Pq

Ms

Mr

Xgr

Dtb

*Ms

Xc

_n

_m

_ba

_t

LIST OF GEOLOGIC UNITS

[Descriptions and correlations of geologic units may be found in the data source publication indicated for each cross section. 

Geologic units listed are found in the cross sections or are referenced in the report that accompanies this plate] 

SURFICIAL DEPOSITS

Flood plain deposits (Holocene)

Young alluvial terrace deposits (Holocene and Pleistocene(?))

Young alluvial fan deposits (Holocene and Pleistocene(?))

Travertine deposits (Holocene and Pleistocene(?))

Landslide deposits (Holocene and Pleistocene(?))

Alluvial valley fill (Holocene and Pleistocene)

Talus and rock fall deposits (Holocene and Pleistocene(?))

Older alluvial fan deposits (Holocene(?) and Pleistocene)

Older alluvial terrace deposits (Holocene(?) and Pleistocene)

VOLCANIC ROCKS

Mt. Floyd volcanic field (Pleistocene, Pliocene, and Miocene)

Uinkaret volcanic field (Pleistocene, Pliocene, and Miocene)

Undifferentiated volcanic rocks (Pleistocene, Pliocene, and Miocene)

TERTIARY SEDIMENTARY ROCKS

Rocks of the Grand Wash trough and Mesquite basin (Pleistocene, Pliocene, and 

Miocene)

MESOZOIC AND PALEOZOIC SEDIMENTARY ROCKS

Chinle Formation, undivided (Upper Triassic)

Moenkopi Formation (Middle(?) and Lower Triassic)

Kaibab Formation (Lower Permian)—Includes, in descending order, Harrisburg 

and Fossil Mountain Members, undivided

Toroweap Formation (Lower Permian)—Includes, in descending order, Woods 

Ranch, Brady Canyon, and Seligman Members, undivided

Coconino Sandstone (Lower Permian)

Hermit Formation (Lower Permian)

Esplanade Sandstone east of Hurricane fault (Lower Permian)

Esplanade Sandstone and Pakoon Limestone west of Hurricane fault (Lower 

Permian)

Queantoweap Sandstone (Lower Permian)

Wescogame (Upper Pennsylvanian), Manakacha (Middle Pennsylvanian), and 

Watahomigi (Lower Pennsylvanian and Upper Mississippian) Formations, 

undivided

Surprise Canyon Formation (Upper Mississippian)

Redwall Limestone (Upper, Middle, and Lower Mississippian)—Includes, in 

descending order, Horseshoe Mesa, Mooney Falls, Thunder Springs, and 

Whitmore Wash Members

Temple Butte Formation (Upper and Middle Devonian)

Nopah Formation (Upper Cambrian)

Muav Limestone (Middle Cambrian)

Bright Angel Shale (Middle Cambrian)

Tapeats Sandstone (Middle and Lower Cambrian)

EARLY PROTEROZOIC CRYSTALLINE ROCKS

Intrusive rocks

Granite, granitic pegmatite, and aplite

Crystalline rocks, undivided

Supai Group Tonto Group