Mammoth Prospect

Past Producer in Esmeralda county in Nevada, United States with commodities Silver, Gold, Antimony
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. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10046667
MRDS ID M241861
Record type Site
Current site name Mammoth Prospect

Geographic coordinates

Geographic coordinates: -117.70426, 38.18576 (WGS84)
Elevation 1914
Location accuracy 500(meters)
Relative position SW OF HOMESTAKE HILL AND USMM 311

Site location context

Political divisions (FIPS codes)

Esmeralda(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Gilbert(quadrangle 1:24,000 scale)

Tonopah(quadrangle 1:100,000 scale)

Tonopah(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Fish Lake-Soda Spring Valleys(hydrologic unit)

Central Nevada Desert Basins(hydrologic accounting unit)

Central Nevada Desert Basins(hydrologic subregion)

Great Basin(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management NV)

Bureau of Land Management NV BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Nevada Esmeralda

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 004N 038E 21 SW Nevada

Comments on the location information

  • EXACT LOCATION UNCERTAIN, BUT IS APPROXIMATED FROM VARIOUS SOURCES ; INFO FROM LAND.ST :(1972)

Commodities

Commodity Importance
Silver Primary
Gold Primary
Antimony Critical Tertiary

Materials information

Materials Type of material
Argentite Ore
Cerargyrite Ore
Pyrargyrite Ore
Stibnite Ore
Anhydrite Gangue
Calcite Gangue
Gypsum Gangue
Iron Gangue
Quartz Gangue

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
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite

Nearby scientific data

(1) -117.70426, 38.18576

Economic information

Geologic structures

Type of structure Local
Structure description Joint Cracks

Ore body information

  • General form TABULAR
    Strike SW
    Dip 38-45 NW
    Width 9.14M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1925

Mining district

District name Gilbert (Desert) District

Land status

Ownership category BLM Administrative Area

Workings at the site

  • Type of workings Underground
    Length 152.4M
    Overall depth 40.84M

Comments on the workings information

  • TUNNEL WITH 500 FT OF DRIFTS AND IRREGULAR WORKINGS MOSTLY IN FOOTWALL OF THE VEIN. AN INCLINED SHAFT WAS SUNK 134 FT ON THE DIP OF THE VEIN (38-45NW) AND A LEVEL WAS STARTED AT THIS POINT

Reference information

Bibliographic references

  • Deposit

    NBMG BULL 78, PL. 2, P. 67

  • Deposit

    USBM, 1978, MILS DATA

  • Deposit

    LAWRENCE, E.H., 1963, NBMG BULL 61, P. 65

  • Deposit

    FERGUSON, H.G., 1927, USGS BULL 795-F, P. 141.

General comments

Subject category Comment text
Deposit VEIN IN RHYOLITE BRECCIA WEST OF CHERT RIDGE NEAR GILBERT. VEIN 10-30 FT WIDE IS COARSELY CRYSTALLINE BANDED WHITE AND LIGHT BROWN CALCITE. VALUABLE MINERALS OCCUR ONLY NEXT TO HANGING WALL WHERE VEIN CONSISTS OF QUARTZ (IN PART FINE-GRAINED & DRUSY, IN PART LAMELLAR) AND CALCITE WITH GYPSUM AND ANHYDRITE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-82 La Pointe, D.D. (Tingley, J.V.) 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.