Alpha Mine

Past Producer in Elko county in Nevada, United States with commodities Gold, Silver
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Alteration
  9. Mineral occurrence model information
  10. Host and associated rocks
  11. Nearby scientific data
  12. Geologic structures
  13. Ore body information
  14. Economic information about the deposit and operations
  15. Mining district
  16. Land status
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10045257
MRDS ID M232953
Record type Site
Current site name Alpha Mine

Geographic coordinates

Geographic coordinates: -115.41341, 41.8624 (WGS84)
Elevation 2362

Site location context

Political divisions (FIPS codes)

Elko(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Jarbidge South(quadrangle 1:24,000 scale)

Jarbidge Mountains(quadrangle 1:100,000 scale)

Wells(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Bruneau(hydrologic unit)

Middle Snake-Boise(hydrologic accounting unit)

Middle Snake(hydrologic subregion)

Pacific Northwest(hydrologic region)

Federal lands

Humboldt-Toiyabe National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Nevada Elko

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 046N 058E 22 Nevada

Comments on the location information

  • UPPER SOUTH SIDE OF BOURNE GULCH

Commodities

Commodity Importance
Gold Primary
Silver Secondary

Materials information

Materials Type of material
Cerargyrite Ore
Electrum Ore
Gold Ore
Naumannite Ore
Pyrargyrite Ore
Silver Ore

Alteration

  • (Local) Devitrification & Silicification

Analytical data

Result EARLY ORE AVERAGED 4.5OZ/TON AU (PRE-1920)

Mineral occurrence model information

Model code 150
USGS model code 25c
Deposit model name Epithermal vein, Comstock
Mark3 model number 16

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Rock unit name Jarbidge Rhyolite
    Rock description Jarbidge Rhyolite
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Rock unit name Jarbidge Rhyolite
    Rock description Jarbidge Rhyolite

Nearby scientific data

(1) -115.41341, 41.8624

Economic information

Geologic structures

Type of structure Regional
Structure description Crater Range

Ore body information

  • General form TABULAR, PINCH AND SWELL
    Dip 80DEG SW

Comments on the geologic information

  • ORE IS SLIGHTLY CELLULAR OR VUGGY-CHARACTERISTIC OF PSEUDOMORPHIC REPLACEMENT ORES.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1910
Discoverer Judge Hughes, Of Jarbidge

Mining district

District name Jarbidge District

Land status

Ownership category National Forest

Comments on the production information

  • $165,00 WORTH OF PRODUCTION BY 1921.

Workings at the site

  • Type of workings Underground
    Length 609.6M
    Overall depth 121.92M

Comments on the workings information

  • ADITS, DRIFTS, SMALL SHAFT, STOPES.

Comments on development

  • 5 CLAIMS

Reference information

Bibliographic references

  • Deposit

    SCHRADER, F.C. (1923) JARBIDGE MINING DISTRICT, NV., USGS BULL. 741.

  • Deposit

    GRANGER, M.B. (1957) GEOL. & MINL. RES. OF ELKO CO., NV, NBM BULL. 54.

  • Deposit

    SCHRADER, F.C. (1912) A REOCNNAISSANCE OF THE JARBIDGE, CONTACT, AND ELK MOUNTAIN MINING DISTRICTS, ELKO CO., NV. USGS BULL. 497.

  • Deposit

    SMITH, R.M. (1969) MINERAL RES. OF ELKS CO, NEV., USGS OFR 1976-56.

General comments

Subject category Comment text
Deposit DISCOVERED IN 1910 BY JUDGE HUGHES, OF JARBIDGE 5 CLAIMS. 3-FT WIDE VEIN WHICH PINCHES AND SWELLS. THE MINE WAS OPENED IN 1921 BY 2000 FT. OF WORKINGS TO A DEPTH OF ABOUT 400 FEET (ADITS, DRIFTS, SMALLSHAFT). ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1979 Depta, Mary J. Nevada Bureau of Mines and Geology

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

External references

Authoritative Nevada resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.