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Golden Era Group

Past Producer in Humboldt county in Nevada, United States with commodities Silver, Gold, Lead, Copper, Arsenic, Antimony, Bismuth
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Geologic information

Identification information

Deposit ID 10043956
MRDS ID M231265
Record type Site
Current site name Golden Era Group
Alternate or previous names Good Chance, Snow Group, NBMG Sample Site 2364

Geographic coordinates

Geographic coordinates: -117.05983, 40.64351 (WGS84)
Elevation 1640
Relative position 6 MILES WNW OF THE TOWN OF BATTLE MOUNTAIN
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Geographic areas

Country State County
United States Nevada Humboldt

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 032N 044E 18 CENTER OF NE Nevada

Comments on the location information

  • S. SIDE SNOW GULCH

Commodities

Commodity Importance
Silver Primary
Gold Primary
Lead Primary
Copper Primary
Arsenic Tertiary
Antimony Tertiary
Bismuth Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Malachite Ore
Pyrite Ore
Silver Ore
Sphalerite Ore
Jarosite Gangue
Limonite Gangue
Quartz Gangue

Alteration

  • (Local) Pyritic

Analytical data

Result SAMPLE 2364 OF SELECT SULFIDE ORE AND GOSSAN FROM THE DUMP CONTAINS 20 % FE, 0.1 % MG, 0.05 % CA, 0.15 % TI, 15 PP-M MN, 150 PPM AG, +10000 PPM AS, 50 PPM B, 150 PPM BA, +1000 P-PM BI, 100 PPM CO, 10 PPM CR,3000 PPM CU, 10 PPM MO, 10 PPM NI-, 5000 PPM PB, 1000 PPM SB, 5 PPM SC, 200 PPM SR, 30 PPM V, 10-PPM Y, 30 PPM ZR.

Mineral occurrence model information

Model code 119
USGS model code 39a
BC deposit profile C01. C02
Deposit model name Placer Au-PGE
Mark3 model number 54

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Late Cambrian
    Stratigraphic age (youngest) Late Cambrian
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
    Rock unit name Harmony Formation
    Rock description Harmony Formation

Nearby scientific data

(1) -117.05983, 40.64351
ListMap

Geologic structures

Type of structure Local
Structure description N-Trending Fault Zone; Pebble Dike

Ore body information

  • General form TABULAR
    Strike N10-25E
    Dip 75-85 NW

Controls for ore emplacement

  • Fault Zone

Comments on the geologic information

  • 1-3-FT. WIDE PEBBLE DIKE INTRUDES FAULT ZONE WHICH IS MINERALIZED

Economic information

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year <1908
Year of first production 1908

Mining district

District name Battle Mountain District

Land status

Ownership category BLM Administrative Area

Workings at the site

  • Type of workings Underground
    Length 387.1M
    Overall depth 60.96M

Comments on the workings information

  • SHAFT, ADIT, DRIFTS, CROSSCUTS, RAISES (SINCE 1938). OLDER WORKINGS ARE INACCESSIBLE. MODERATE-SIZED DUMP, NEARBY ROTARY DRILLING (1984)

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS M231265

Bibliographic references

  • Deposit

    WILLDEN, R., 1964. GEOLOGY AND MINERAL DEPOSITS OF HUMBOLDT CO., NEV; NBMG BULL 59

  • Deposit

    ROBERTS, R.J. AND ARNOLD, D.C., (1965) ORE DEPOSITS OF THE ANTLER PEAK QUAD., HUMBOLDT AND LANDER COUNTIES, NEV.; U.S.G.S. PROF. PAPER 459-S.

  • Deposit

    GARSIDE, L. J., 1984, FIELD EXAMINATION 10 OCT 84

  • Production

    ROBERTS, R.J. AND ARNOLD, D.C., 1965.

General comments

Subject category Comment text
Deposit SHEAR ZONE.. ARSENOPYRITE AND CHALCOCITE OCCUR WITH SPOTTY QUARTZ AND LIMONITE GOSSAN IN DUMP SAMPLES.
Deposit OLD WORKINGS ARE INACCESSIBLE, BUT THE WORKINGS SINCE 1938 INCLUDE A 200-FT. INCLINED SHAFT, A MAIN ADIT LEVEL 850 FT. LONG; 180 FT. OF DRIFTS 90 FT. OF CROSS CUTS AND 150 FEET OF RAISES CONNECTING TWO SUBLEVELS ; INFO.SRC : 1 PUB LIT; 3 FIELD OBSERV

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1980 Flynn, Patricia Dodd Nevada Bureau of Mines and Geology
Updater 01-JUL-1985 La Pointe, D.D. (Tingley, J.V.) Nevada Bureau of Mines and Geology
Updater 01-SEP-1994 Li, Zhiping (Peters, S.) U.S. Geological Survey