118 00 00

115 00 00

117 30 117 00 116 30 116 00 115 30

118 00 00

115 00 00

117 30 117 00 116 30 116 00 115 30

35 00 00

38 15 00

35 00 00

38 15 00

35 30

36 00

36 30

37 00

37 30

38 00

35 30

36 00

36 30

37 00

37 30

38 00

TECTONIC MAP OF THE DEATH VALLEY GROUND-WATER MODEL AREA, NEVADA AND CALIFORNIA

By

J.B. Workman, C.M. Menges, W.R. Page, E.B. Ekren, P.D. Rowley, and G.L. Dixon

2002

Base from U.S. Geological Survey, 1:100,000

Tonopah, Warm Springs, Quinn Canyon Range,

Goldfield, Cactus Flat, Timpahute Range, Last

Chance Range, Pahute Mesa, Pahranagat Range,

Saline Valley, Beatty, Indian Springs, Darwin Hills,

Death Valley Junction, Las Vegas, Ridgecrest,

Owlshead Mountains, Mesquite Lake, Cuddeback

Lake, Soda Mountains, and Ivanpah DLG and DEM

data, 1999.

Projection and 10,000-meter grid, zone 11

Universal Transverse Mercator

25,000-foot ticks based on California coordinate

system, zones 4 and 5 and Nevada coordinate

system, east, west, and central zones.

1927 North American Datum

Any use of trade names in this publication is for

descriptive purposes only and does not imply

endoresement by the U.S. Geological Survey

This map was produced on request, directly from

digital files, on an electronic plotter

For sale by U.S. Geological Survey Information Services

Box 25286, Federal Center, Denver, CO 80225

1-888-ASK-USGS

ARC/INFO coverages and a PDF file for this map are available at

http://geology.cr.usgs.gov/greenwood-pubs.html

MISCELLANEOUS FIELD STUDIES MAP MF-2381-B

Version 1.0

Pamphlet accompanies map

Prepared in cooperation with the

NEVADA OPERATIONS OFFICE, NATIONAL NUCLEAR SECURITY ADMINISTRATION,

U.S. DEPARTMENT OF ENERGY (INTERAGENCY AGREEMENT DE-A108-96NV11967)

U.S. DEPARTMENT OF THE INTERIOR

U.S. GEOLOGICAL SURVEY

14

APPROXIMATE MEAN

DECLINATION, 1993

MAGNETIC NORTH

TRUE NORTH

CALIF.

MAP LOCATION

NEVADA

SCALE 1:250 000

5 0 5 10 15 20 25 KILOMETERS

5 0 5 10 15 20 MILES

TEST

SITE

NEVADA

U.S. NAVAL

U.S. NAVAL

WEAPONS

WEAPONS

CENTER

CENTER

FORT IRWIN MILITARY RESERVATION

NELLIS

NELLIS

AIR FORCE

AIR FORCE

RANGE

RANGE

DESERT

NATIONAL

WILDLIFE

RANGE

EAST MOJAVE

NATIONAL

SCENIC AREA

DEATH VALLEY

NATIONAL

Las Vegas

Ridgecrest

NEVADA

NEVADA

NEVADA

CALIFORNIA

CALIFORNIA

CALIFORNIA

Mono Co

Inyo Co

Inyo

Co

Inyo

Co

Inyo Co

Inyo Co

Kern Co

Kern Co

San Bernardino Co

San Bernardino Co

San

Bernardino

Co

Clark

Co

Clark Co

Clark Co

Lincoln Co

Lincoln Co

Nye Co

Nye Co

Nye

Co

Nye Co

Esmeralda

Co

Mojave Desert

Devil's Playground

D

e

a

t

h

V

a

l

l

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y

E l

P a s o

M o u n t a i n s

F r e m o n t

V a l l e y

R a n d

M t n s

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M t n s

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H i l l s

S

u p e

r i

o r

V a l l e y

I

n

d

i

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Canyon

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Oasis

Valley

a

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Mount

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Hills

Lizzard

CP

Hills

Stripped

Hills

Forty

mile Can

yon

Rock Valley

Mercury

Valley

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Mountains

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Hills

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Lakes

Valley

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Mountains

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Valjean

Valley

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l

s

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a

d

dle

P

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a

k

Hills

Salt Sprin

g

Hills

Sperry

Hills

Dumont

Hills

W i n g a t e

W a s h

D e a t h

V a l l e y

Darwin

Plateau

Darwin

Hills

Hunter

Mountain

Ra

c

e

t

r

a

c

k

Va

l

l

ey

Ubehebe

Peak

Dry

Mountain Tin

Mountain

Furnace Creek Wash

Blue

Diamond

Hill

Amargosa

Flat

Yucca

Forest

S a r c o b a t u s

F l a t

Lida Valley

Bonnie

Claire

Flat

Monotony

Valley

Chalk

Mtn

Death Valley

Junction

Furnace

Creek

Badwater

Shoshone

Mercury

Beatty

Goldfield

Coaldale

Silver

Peak

Tonopah

Rachel

Hiko

Alamo

Indian Springs

Pahrump

Baker

Tecopa

Trona

China Lake

EXPLANATION OF MAP SYMBOLS

Fault—Solid line where location is known; dashed where approximately

located; dotted where concealed; queried where location uncertain

High-angle normal fault—Bar and ball on downthrown side

High-angle strike-slip fault—Opposing arrows indicate relative lateralslip

High-angle oblique-slip fault—Bar and ball on downthrown side and

opposing arrows indicate relative strike slip movement

Thrust fault—Barbs on upper plate

Low-angle normal fault—Half ball on upper plate

f

Well-constrained structure

Poorly constrained structure

Caldera boundary (wall)—Hachures on the caldera side. Solid line where

location is known; dashed where approximately located; dotted where

concealed. Within the central part of the southwest Nevada volcanic field,

both the structural(inner) and topographic (outer) margins of the Silent

Canyon, Rainier Mesa, and Ammonia Tanks calderas are shown based

upon Slate and others (2000). All other caldera boundaries represent the

topographic wall

Lineament

Eastern limit of Walker Lane belt

Ground-water model boundary

Major structural trends and zones—Interpreted regionalstructures. In

some cases these fault zones have little to no surface expression and are

located based upon interpretation of geophysical data. Width ofstippled

band does not necessarily reflect the width of the structural zone

Major thrust faults of regional extent—These thrust faults can be correlated

over large areas and have significant offset resulting in juxtaposition of

different lithologic and hydrologic units. Width ofstippled band does not

necessarily reflect the width of the structural zone

Tertiary intrusive rocks—Plutonic rocks dated as Pliocene to Oligocene

which have significance as barriers to ground-water

Mesozoic intrusive rocks—Plutonic rocks of poorly constrained Mesozoic

age which have significance as barriers to ground-water

Basement rocks—Metasedimentary, metavolcanic, and intrusive rocks of

Early Proterozoic age which have significance as barriers to ground-water

and serve as the base of the hydrostratigraphic column

Geophysically inferred structure—Bar and ball on inferred downthrown

side; arrows show inferred strike-slip movement. Structures

inferred from locations of maximum horizontal gravity gradients

rom Ponce and others (2001). Horizontal gradient analysis is an

objective lithologic and structural mapping tool used here to highlight

interpreted major crustalrock-unit boundaries

E