UNITED STATES DEPARTMENT OF THE INTERIOR

GEOLOGICAL SURVEY / BULLETIN 1030 PLATE 21

7
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P1623

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16 (000) é | i= |

8 i] H ia a bs H

: 4 | belreAcedet ns

a z I! lea t

fi 5 art Hales
outckor B H za H
(units af) | f
(le |
! \
| tT WA T ER ( Pt
v

lJ = a  WAMSUTTERDA ot
r
1
1
1
I!

wl —— a
eee T10" 109" 108?
* wetgra joo ~~ 10 9 j j , 4oMies
TW37 018) o5
SE INDEX MAP

DW-85-264 (0 44)
2 WNS-10-14 (01)
.WNS-22-30 (013)

Oran) \

PIA (28)

ates [Site

Fw-38 (0058) 08

‘TW-39 (0091) 0.8

TW-3 (0.064 05 ow K t
6 {
NE-1980 (0.09) 0.75 ©
y Ne | Meee fe owas \
S o H16

ME-1910°0.08)

ME-1945 (0 14) 05

ME-1946 (0 14) 0.42
"TW-7-A (9 002) 13
Bios) 08 4:

Se TE
SS

1w.2 (0009) 12

{ HAS

rw 01m 10 1909 (008)
boy Ke

i {2 Sirs, orn
i (ME-1943 (0 13) 10

é ‘fy's t0008) #0
fe fa NZ a2
7 TW-8 (0.046) 08

Ho

ME-1917 (0 28) W SIDE,
TW-16 (0.008) 30F Qr2

Me-1913 (0.24) 8. SIDE 5TH 1a 0008) 3.

TW-12-B (0.004) 5 SIDE 08
(0048) N SIDE 13

vi.

Ym $e

Auger hole ES-13 *
1 feet east
of this point

me-1982 (0 17)

Tws20-(010) 1229 we-1040 (0.10) 0.09
Nene TW-21 (0.098) 1.0
a

ME-1941 (0.07) 051
TW-22 (0.054) 1.5

£-1908 (0 03)
Tacs a?

ME-1939 (0.08) N 0.63
1934 (0 13) 5.0.83
TW-24 (0.022) 1.3,

51904000 Jog TOES PS
aceon [8 22S a
Me-1999 (0.19 08 ay

x25

ME-1905 (0.14)
"TW-29 (0 058)

Jos

ME-1998 (0002) 0
Me-1936 (0 10) 10
s?

SUPPLEMENTAL EXPLANATION FOR SAMPLING, PRELIMINARY
AUGER-TESTING AND PROPOSED EXPLORATION

a

Se

E1927 (0.19) 0.25,

ME-1935 (002) 05
A
TW-30 (0,058) 1.7

i

Sample taken by Minerals Engineering Company; analyzed by
Brown Engineering Company of Grand Junction, Colorado;
jercent uranium shown in parentheses, followed by sample

Interval in feet Qe

23
rw-31 (0.022) 1.0

fit 94 (0.008 13
Orel?)

Tw-32 (0.089) 05

Sample taken by C. C. Towle, Jv., U. $. Atomic Energy Commission,
and D. G. Wyant; analyzed by the U. 8. Geological Survey;
percent uranium shown in parentheses, followed by sample
interval in feet

H-39

ME-1906 (0.19) 02
TW-32 (0.089) 07

wns-10-14 (on

Water sample taken by W. N. Sharp; uranium content, in parts
per million, shown in parentheses

DW-25-264 (0.44)

Water sample taken by D. G. Wyant; uranium content, in parts
per million, shown in parentheses

4 (7400)
82 (270)

Plant (P), or soil (S) sample taken by Helen Cannon;
uranium content, in parts per million of the ash,
shown in parentheses

Es-1 /
2 ~
oa ~

Auger hole, drilled in 1950 ~
~

PAH-A (3200)
REA HAL ZOO

Proposed line of auger holes (length of line in feet) .

PT-8 (1300) \

Proposed trench (length in feet) \

POH-1

@

Proposed drill hole (see also section B-B')
Limits of zone of faulting

General dip of beds, General dip of beds, Teu
\w iy unknown Teu Tithology unknown ="
INTERIOR—GEOLOGICAL SURVEY, WASHINGTON, D © R-2000 Geology by D. G. Wyant and D. M. Sheridan

Limits of zone of faulting

gel
Qte
Seen General dip of beds, ~~ EXPLANATION FOR SECTIONS
eeral dip of bets,
<7 thology unknown Pare
LoS General dip of beds,
\» lithology unknown
650044 ,
\ Claystone Sandstone
\ Teu
6400/4 X
Siltstone Platy shale
63004
Exact position of lignite beds
6200" "3¢ unknown; probably lies within
= * this stratigraphic interval
6100* \
/
/

MAP AND SECTIONS SHOWING ASSAYS AND PROPOSED EXPLORATION, LOST CREEK SCHROECKINGERITE DEPOSIT, SWEETWATER COUNTY, WYOMING
nnn L nt 1 L H 1 L L n 1a) Fest
Contour interval 5 feet

i

Pleistocene

Eocene

EXPLANATION

Qal

Alluvium

Largely brown to white course sand
and gravel, of undetermined thick-
ness,occupying the present bed of
Lost Creek

Colluvium,
Slope wash from overlying units

Brown or drab fluvial silt and
varvelike bands of humus, A
terrace 10-17 feet above the
Recent alluviiim is the upper
‘surface of the deposit; the
base CHES deposit is con-
ceale

Qe

‘Terrace deposit
Fluvial course white sand and green
or brown clay and silt. Its maszi-
‘mum Uvickness is about 6 feet. ‘The
surface of the deposit is from 17 to
40 feet above Recent allivvim J

Teu YY)

Sedimentary rocks undifferentiated Green River formation

Probubly includes facies of Wasatch, Includes only lacustrine gray-to-
Green River, and lower Bridger brown platy shale, Other facies
formations.’ The sediments are of the formation are included in
green and.brown claystone, green "Sedimentary rocks undiffer-
siltstone,and green to buff sand- entiated””

stone and gravel. Some of these
sedimentary rocks have been
‘mapped and are shown as units;

for example, in outcrop A, ‘units
atow?

os a
Gradational contact
Questioned where inferred

Fault, showing dip
fem
Probable fault
Strike and dip of bed

Exposed ore body, showing dip

Schroeokingerite in platy gray or brown

shale, overlying ivon-stained solution
zone in white or brown sandstone,
Bizceplions to this lithology are noted

Ore body projected

me

Ore body not exposed, schroeckingerite
observed in dump

Teu(b)*
Outerop
Too small to show contacts

OUTCROP A
Area in which bedrock crops out

3
oa)
Bulldozer cut and dump
x4
Prospect pit and dump
PaaS
Trench and dump

#37 9
Auger hole

Vegetation boundary
Section C-C' shown on plate 22

Geologic sections of trenches
C.E,E1,L,N shown on plate 20

QUATERNARY

TERTIARY