o
TbBm TbBl TbA unmapped TbA TbBu TbCl TbCm TbCu TbDl TbA TbDm TbE TbDu TbA TbBm TbCm TBi TbBl TbCl TbBm TbBu TbCm TbBl TbBu TbBm TbBl TbA TbBm TbBl TbA TbBl TbBm TbBm TbA 1 f f f f BBI BELS ULS ~BBS LTLS HFT HFT SH LS SCLS SH LS SCLS SH LS SCLSGEOLOGIC MAP UNITS
DISCLAIMERS
U sers of these map s are cautioned ab o ut using the data at scales different than tho se at whic h the map s were co m p iled— using this data at a larger scale will no t provide greater ac c urac y,and in fac t,it is a m isuse o f the data.
T he Wyo m ing State Geo lo gic al Survey (WSGS) and the State of Wyo m ing m akes no
rep resentation or warranty, exp ressed or im p lied, regarding the use, ac c urac y, or
c o m p leteness of the data presented herein, or from a m ap printed from these data; no r
shall the ac t of distribution co nstitute any such warranty. The WSGS do es no t
guarantee these digital data herein, or map printed from these data, to be free of errors or
inac c urac ies.
T he WSGS and the State of Wyo m ing disclaim s any respo nsib ility or liab ility fo r
interpretations from this digital data or map printed from these digital data, or dec isio ns
b ased thereo n. T he WSGS and the State of Wyo m ing retains and do es no t waive
sovereign im m unity.
T he use of or referenc e to tradem arks, trade nam es, or other product or co m p any nam es
in this product is fo r descriptive or info rmational purpo ses, or is pursuant to lic ensing
agreem ents between the WSGS or the State of Wyo m ing and software or hardware
develo p ers/vendo rs, and do es no t im p ly endo rsem ent of tho se products by the WSGS or
the State o f Wyo m ing.
KEY TO MEASURED SECTIONS
(b lue indicates sections sho wn o n this m ap )
Map reference Name of measured section Reference sources *
a Reference Sectio n,T win Buttes Mem b er Ap pendix 2,T ab le 18
(NortheastSage Creek Mo untain)
b SouthwestSage Creek Mountain Ap pendix 5,T ab le 20
c SouthwestCedar Mountain Ap pendix 3,T ab le 19
d T yp e Section,T urtle Bluff Mem b er Ap pendix 4,T ab le 19
(West Cedar Mountain)
e SoutheastCedarMo untain Ap pendix 6,T ab le 21
f T yp e Section,T win Buttes Mem b er Ap pendix 1,T ab le 17
(SoutheastT win Buttes)
g NortheastHickey Mountain T ab le 22
h NortheastSage Creek Mo untain T ab le 23
i South CedarMountain T ab le 25
j North CedarMountain T ab le 24
k NortheastCedarMo untain T ab le 27
l NortheastMass Mo untain T ab le 26
m NorthwestBlack Mo untain T ab le 29
n NorthwestT win Buttes T ab le 28
* Refer to Wyo m ing State Geo lo gical Survey Rep ortof Investigation s
57 (2007).
ABBREVIATIONS FOR MARKER UNITS (red indicates units sho wn o n this m ap ) BBI Base o f Bishop Conglo m erate
BRGB Behunin Reservoirgyp sum b ed
BELS Basal E lim esto ne
ULS U pp erw hite lim esto ne
BBS Basal b lue sheetsandsto ne
~BBS App ro xim ate L evel o f Basal b lue
sheetsandsto ne
HRL Hickey Reservo ir lim esto ne
LTLS L o netree lim estone
HFLS Henrys Fork lim esto ne
HFT Henrys Fork tuff
BFLS BurntFork lim esto ne
HRRB Horse Ranch red b ed
HMLS Hickey Mo untain lim esto ne
SHLS Soap Holes lim esto ne
BKLS Butcher Knife lim estone
WRLS Whiskey Reservo ir lim esto ne
SCLS Sage Creek lim esto ne
BISHOP CONGLOMERATE (Oligo cene)
BRIDGER FORMATION (early and m iddle Eocene)
Turtle Bluff Member (BridgerE) (middle Eocene)
Twin Buttes Member (“U p per Bridger”
o rBridgerC and D) (m iddle Eocene) upperBridgerD m iddle Bridger D lo werBridgerD upperBridgerC m iddle Bridger C lo werBridgerC
Blacks Fork Member (“L o wer Bridger”
or BridgerA and B)(early and m iddle Eocene) upperBridgerB
m iddle Bridger B lo werBridgerB Bridger A
NOTICE TO USERS OF W YOMING STATE GEOLOGI CAL SURVEY INFORMATION
Most informatio n pro duced by the Wyo m ing State Geolo gical Survey (WSGS) is
p ublic dom ain, is not cop yrighted, and may be used without restriction. We ask that users credit the m ap autho rs and the WSGS as a co urtesy when using this informatio n in who le or in p art. This app lies to published and unpublished materials in p rinted o r electro nic fo rm .Contactthe WSGS if you have any questio ns ab outciting m aterials o r p rep aring acknowledgem ents.Y o ur co op eratio n is app reciated.
SCALE 1:24,000 Miles 1 0.5 0 1 Feet 1,000 0 1,000 2,000 3,000 4,000 5,000 6,000 7,000 Kilometers 1 0.5 0 1
CONTOUR INTERVAL 20 FEET
NATIONAL GEODETIC VERTICAL DATUM OF 1929
(Bl ac k S pri ng R es erv
oir) (Devils Playground)
(Hay stac k Bu tte Nort h) (H a y s ta c k Bu tte So u th ) (F lam in g G org e) (Manila) (Jes sen But te) (An te lo p e W a s h )
GENERALIZED STRATIGRAPHIC SECTION IN THE TWIN BUTTES AND BLACK MOUNTAIN AREA
OPEN FILE REPORT 07-7J
Linwood Canyon 1:24,000-scale Geologic Map
TbCu TbCm TbCl TbBu TbBm TbBl TbA TBi TbE TbDu TbDm TbDl Geology - Interpreting the past to provide for the future
WYOMING STATE GEOLOGICAL SURVEY
Ronald C. Surdam, State Geologist
Laramie, Wyoming
EXPLANATION
BRIDGER FORMATION PROJECT LOCATION MAP Lone tree Bur ntfo rk McK inno n Hor se R anch Ant elop e W ash Ree d R eser voir Linw ood Can yon Dev ils P layg roun d Soa p H oles Res ervo ir Bla ck S prin g R eser voir 109°40'W 109°40'W 109°45'W 109°45'W 110°15'W 110°15'W 109°50'W 109°50'W 110°10'W 110°10'W 109°55'W 109°55'W 110°5'W 110°5'W 110°W 110°W 41°10'N 41°10'N 41°5'N 41°5'N 41°N 41°N
INDEX MAP OF 1:24,000 - SCALE QUADRANGLES
Num b er indic ates Wyo m ing State Geo lo gic al Survey Op en File Rep o rt (OFR) (1:24,000-scale digital geo lo gic m ap s are inc luded o n CD fo r RI-57) A 1:100,000 - scale geo lo gic m ap o f all quadrangles ab o ve is p ublished in Wyo m ing State Geo lo gic al Survey Rep o rt o f Investigations (RI) 57 OFR 07-7 A OFR 07-7 B OFR 07-7 F OFR 07-7 G OFR 07-7 C OFR 07-7 H OFR 07-7 D OFR 07-7 E OFR 07-7 I OFR 07-7 J
UTM GRID CONVERGENCE (GN)
1999 MAGNETIC DECLINATION (MN) AT CENTER OF SHEET DIAGRAM IS APPROXIMATE
^
15 MILS 231 MILS
0O52' 13
O
Base Map from U.S. Geological Survey 1:24,000-scale
topographic map of the Linwood Canyon, Wyoming 7 1/2-minute Quadrangle, 1987
Projection: Universal Transverse Mercator (UTM), zone 12 North American Datum of 1927 (NAD 27)
1,000 meter grid ticks: UTM zone 12
10,000-foot grid ticks:Wyoming State Plane Coordinate System, West zone
A digital version of this map is also available on CD-ROM.
People with disabilities who require an alternative form of communication in order to use this publication should contact the Editor, Wyoming State Geological Survey. TTY Relay Operator 1 (800) 877-9975f
Digital cartography by Justin E. Scott and David W. Lucke
Wyoming State Geological Survey P.O. Box 1347 - Laramie, WY 82073-1347 Phone: (307) 766-2286 - Fax: (307) 766-2605 Email: wsgs_sales@uwyo.edu
MAP SYMBOLS
Marker unit,exp o sed; see ABBREV IAT IONS FOR MARKER U NITS Marker unit,inferred where p o o rly exp o sed; see ABBREV IAT IONS
FOR MARKER U NITS
Measured sec tion; do tted line indic ates b reak o r o ffset in sec tion; see KEY T O MEASU RED SECT IONS
b HFT SHLS R 109 W R 108 W T 13 N T 12 N R 109 W R 108 W T 13 N T 12 N
