UNITED STATES DEPARTMENT OF THE INTERIOR
GEOLOGICAL SURVEY BULLETIN 1046 PLATE9

EXPLANATION

500 W
400 Ww!
300 W
200 W
100 W)

00

OFT

= — 2100.N! Talus, alluvium, and

fanglomerate

53 ft above level.

QUATERNARY

FREEPORT
FAULT?

Intrusive breccia; in part
younger than rhyolite porphyry

1OET
TERTIARY(?)

25 ft above level Earlier rhyolite

2000 N

TRIASSIC(?)

4 Argillite, slate, phyllite,
and hornfels

1900 N.

—”
TOPE 211 Contact, showing dip; dashed
* Sill 31 ft above level where inferred

Quartz, tourmaline: i 90

ie
cRosscur 2187 Vertical contact

200 W

O) fs :
pH. nib OBRe! Fee ”
- , See Major fault, showing dip;
? . g dashed where inferred

a oe
Bs a ae 1900 Nf —

tz, tourmali ides, val BOL Minor fault, showing dip;
Oesecondrycoppar mivoe fs dashed where inferred
o7 me
——
\ * be =
i E> SS
f 5 a Fault zone with gouge, showing
7 dip; dashed where inferred
73

279ET.

59] MAJUBA BS

< FAULT

\

1900 N TN

50
<Q v8

& Ne N73
sustever |CX\’
15ft below level Winze 104 ft

* Raise 40 ft 3

2, Poe

1900 N Quartz, iran oxides, tourmaline

Fault zone with gouge and breccia,
= showing dip; dashed where inferred
< Neh quartz, tourmaline, iron oxides

500 W

Quartz, fluorite, iron oxides, tourmaline,
‘secondary copper minerals #4

> Strike and dip of beds

=
‘Strike and dip of mineralized
fissure. Thickness less than

1 ft, mineral content indicated
by note

1800 N ( > ~tin.; quartz and tourmaline OFT 1800 N

ga _—_*| 4

ed . SERRE
Patimetetseal 7)

Mineralized fissure more
than 1 ft thick

vi
‘secondary copper minerals |,

le
Tr %

Tourmaline

.
Cassiterite

see
oe Se
-6¢

1700 N ee 1700 N

baer

Copper minerals

9 ET.

Raise to Copper stope| Uranium minerals

‘STOPE 153
Sill 53 ft above level

=)

Foot of raise or winze

300 W

SSB |oasned tine indicates,
\* «| maximum stope size “.

regardless of elevation >

a

Head of raise or winze;
. dashed where above level

Raise or winze extending
1600 N through level

1600 N

dicates stope
outline 38 ft above middle
adit level =

ous copper-
and tin-bearing vein /f

FAULT
+ 1700 N

Edge of underhand stope

COPPER STOPE

Filled working

Di

N 30° E (+8°)

Bearing and inclination of
diamond-drill hole

300 W

1500 N

o
Working in front or behind section
within 10 ft, projected to section

6250" — = — Head of raise from
A Copper stope

94 ET.

6300"

1400 N UPPER ADIT LEVEL

y)
=| Pe ee ae ec a!

IDDLE ADIT
Altitude of portal 6250 ft

TRUE NORTH

+ upper avoir
\(Atitude of portal 6451 1t

e
8

600 W

=
8
| 1300 N
Geology by Ralph H. Thurston and Albert F. Trites, Jr., April-May 1949

500 W
400 W
[300 W
200 Ww

300 N

"6500"

AES
MLA] Kconnects with copper stpe
NB north of section
“Ks

+6400"

Elevation of Copper stope

a ana shown as inset above | L-RAISE 211
yoy "Go" Raises | H

6300" a +-6300'

levation of Copper stope >
shown as inset above

s . at i

aNc% A ves I

Se

DRIFT 201-5 *

fy

choaatar aay

gre

yes 2u7

6200" a

R> - 4

6200"

INTERIOR—GEOLOGICAL SURVEY. WASHINGTON. 0. M2437 Geology by Ralph H. Thurston and Albert F. Trites, Jr., January-May 1949)

GEOLOGIC MAP AND SECTIONS OF UPPER AND MIDDLE ADIT LEVELS, MAJUBA HILL MINE, PERSHING COUNTY, NEVADA

50 200 Feet
ere eee 1 l 1 J

Datum is mean sea level