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&

34°45’00”N

113°45’00”W

34°30’00”N

114°0”00”W

34°45’00”N

114°15’00”W

35°0’00”N

35°15’00”N

114°30’00”W

35°30’00”N

35°45’00”N

36°0’00”N

114°30’00”W

36°0’00”N

35°45’00”N

35°30’00”N

35°15’00”N

35°0’00”N

114°0”00”W

114°15’00”W

113°45’00”W

113°45’00”W

ê

EXPLANATION

Fault—Dashed where inferred; dotted where concealed

F Normal fault—Bar and ball on downthrown side; dashed where inferred; dotted where concealed

O O O O O Low-angle normal fault—Hachures on upper plate; dotted where concealed

Reverse fault—Half-circles on upper plate; dash indicates inferred

$ Strike-slip fault—Arrows show direction of relative motion; dashed where inferred; dotted where concealed 

Contact

G Anticline

K Syncline

Folds—Dashed where inferred

1⁄2

h

e

o

Strike and dip of bedding

Inclined

Horizontal

Strike and dip of foliation

Vertical

Inclined

13

45

Geophysically dened fault—Inferred from geophysical data; dash indicates higher degree of uncertainty

Lake

Basin boundary

LIST OF MAP UNITS

SURFICIAL DEPOSITS

PALEOZOIC SEDIMENTARY ROCKS

CONSOLIDATED BASIN-FILL DEPOSITS

VOLCANIC ROCKS

INTRUSIVE ROCKS

PROTEROZOIC CRYSTALLINE ROCKS

Disturbed land

Younger alluvial fan, alluvial plain and pediment deposits (Holocene to late Pleistocene)

Active playa deposits (Holocene)

Truxton Wash alluvial fan deposit, younger (Holocene)

Axial alluvial wash deposits (Holocene)

Eolian sand deposits (Holocene to late Pleistocene)

Older playa deposits (Pleistocene)

Truxton Wash alluvial fan deposit, older (Pleistocene)

Older alluvial fan, alluvial plain, and pediment deposits (Pleistocene to upper Pliocene)

Landslide deposits (Pleistocene to upper Pliocene)

Gravel deposits (Pliocene)

Bouse Formation (Pliocene and upper Miocene)

Younger sedimentary rocks (upper Miocene)

Hualapai Limestone (upper Miocene)

Intermediate-age sedimentary rocks, younger (upper and middle Miocene)

Intermediate-age sedimentary rocks, older (middle and lower Miocene)

Older sedimentary rocks (lower Miocene to upper Oligocene)

Younger basalts (Pliocene and upper Miocene)

Intermediate-age basalts (upper to middle Miocene)

Younger rhyolitic to andesitic volcanic rocks (middle Miocene)

Older basalts (lower Miocene)

Younger rhyolitic ash-flow tuffs (middle Miocene)

Intermediate-age rhyolitic to basaltic volcanic rocks (lower Miocene)

Older rhyolitic ash-flow tuffs (lower Miocene)

Older rhyolitic to basaltic volcanic rocks (lower Miocene)

Miocene intrusive rocks (middle Miocene)

Mesozoic intrusive rocks (Late Cretaceous)

Kaibab and Toroweap Formations, undivided (Lower Permian)

Hermit Formation (Lower Permian)

Supai Group, undivided (Lower Permian to Upper Mississippian)

Redwall Limestone (Upper and Lower Mississippian)

Temple Butte Formation (Upper and Middle Devonian)

Muav Limestone (Middle Cambrian)

Bright Angel Shale and Tapeats Sandstone, undivided (Middle and Lower(?) Cambrian)

Megacrystic granite (Mesoproterozoic)

Metaintrusive rocks (Paleoproterozoic)

Metasedimentary and metavolcanic rocks, undivided (Paleoproterozoic)

Ti

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CORRELATION OF MAP UNITS

SURFICIAL DEPOSITS

PALEOZOIC SEDIMENTARY ROCKS

CONSOLIDATED 

BASIN-FILL

 DEPOSITS VOLCANIC ROCKS

INTRUSIVE

ROCKS

PROTEROZOIC CRYSTALLINE ROCKS

Holocene

Pleistocene

Pliocene

Miocene

CRETACEOUS

QUATERNARY

NEOGENE

PALEOZOIC

PROTEROZOIC

Late 

Cretaceous

Mesoproterozoic

Paleoproterozoic

Unconformity

Unconformity

Unconformity

Unconformity

Unconformity

CENOZOIC

PRECAMBRIAN

PERMIAN

PENNSYLVANIAN

MISSISSIPPIAN

DEVONIAN

CAMBRIAN

Upper and Middle

Devonian

Upper and Lower

Mississippian

Lower Permian, Upper, Middle 

and Lower Pennsylvanian, and 

Upper Mississippian

Lower Permian

Oligocene

MESOZOIC

Middle and Lower(?)

Cambrian

Middle Cambrian

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Geologic Map of Detrital, Hualapai, and Sacramento Valleys

and Surrounding Areas, Northwest Arizona

By

L. Sue Beard, Jeffrey Kennedy, Margot Truini, and Tracey Felger

2011

5 0 5 10 15 20 25 30 KILOMETERS

SCALE 1:250,000

5 0 5 10 15 20 MILES

APPROXIMATE MEAN

DECLINATION, 2006

Base from U.S. Geological Survey 

1:250,000 Digital Raster Graphic (DRG) 

Projection: UTM Zone12 NAD83

Geology compiled from multiple published and 

unpublished reports; see Map Compliation 

Source to right. Citations are included in 

accompanying pamphlet.

U.S. Department of the Interior

U.S. Geological Survey

Open-File Report Map 2011–1225

Pamphlet accompanies map

Map Compilation Source

[see pamphlet for reference list]

Albin, 1991

L. Amoroso, unpublished mapping, 2009

Beard and others, 2007

Billingsley and others, 2006

Blacet, 1975

Buesch and Valentine, 1986

Conway and others, 1997

Duebendorfer and others, 2001

Faulds and others, 2010

J. Faulds, unpublished mapping, 2005

Felger and Beard, 2010

Ferguson and others, 2009

Gillespie and Bentley, 1971

Goff and others, 1983

Gray and others, 1990

Howard and others, 1999

Lucchitta and Suneson, 1994

Murphy and others, 2004

Prante, 2009

R. Moore, unpublished mapping, 2004

Sante Fe Pacific Railroad Company, 1981

Siwec, 2003

Stang and Kollet, 1998

Thomas, 1953

Thorson, 1971

Varga, 2001

satellite imagery, orthophotography 

(Landsat 1997, National Agriculture

Imagery Program – Arizona, 2005; 

Nevada, 2006)

114°30'0"W

114°0'0"W

114°0'0"W

36°0'0"N 36°0'0"N

35°30'0"N

35°30'0"N

35°0'0"N

34°30'0"N

0 10 20 5 Miles

Any use of trade, product, or firm names in this publication is for descriptive purposes only and does not imply 0 10 205 Kilometers

endorsement by the U.S. Government

This map was printed on an electronic plotter directly from digital files. Dimensional calibration may vary between 

electronic plotters and between X and Y directions on the same plotter, and paper may change size due to 

atmospheric conditions; therefore, scale and proportions may not be true on plots of this map.

For sale by U.S. Geological Survey, Information Services, Box 25286, Federal Center, Denver, CO 80225, 

1–888–ASK–USGS

Digital files available at http://pubs.usgs.gov/of/2011/1225/

Suggested Citation: Beard, L. Sue, Kennedy, Jeffrey, Truini, Margot, and Felger, Tracey, 2011, Geologic map of 

Detrital, Hualapai, and Sacramento Valleys and surrounding areas, northwest Arizona: U.S. Geological Survey 

Open-File Report 2011–1225, pamphlet 43 p., 1 map sheet, scale 1:250,000, available at 

http://pubs.usgs.gov/of/2011/1225/.