Endowment Mine

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

Geologic information

Identification information

Deposit ID 10037463
MRDS ID M035330
Record type Site
Current site name Endowment Mine

Geographic coordinates

Geographic coordinates: -118.36151, 38.28771 (WGS84)
Elevation 2109
Relative position NORTH FLANK EXCELSIOR MOUNTAINS 15 MILES SW OF MINA

Site location context

Political divisions (FIPS codes)

Mineral(county)

Nevada(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Moho Mountain(quadrangle 1:24,000 scale)

Excelsior Mountains(quadrangle 1:100,000 scale)

Walker Lake(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 Mineral

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 005N 033E Nevada

Comments on the location information

  • PAIR OF ADITS AND SINGLE STRUCTURE DESIGNATED ON QUAD. 2 MILES SE OF EXCELSIOR MOUNTAIN; UNSURVEYED

Commodities

Commodity Importance
Silver Primary
Lead Secondary
Gold Secondary
Copper Tertiary
Zinc Critical Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Lead Ore
Pyrite Ore
Sphalerite Ore
Copper Gangue
Smithsonite Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Late Jurassic
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Quartzite
    Rock unit name Dunlop Formation
    Rock description Dunlop Formation
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Argillite

Nearby scientific data

(1) -118.36151, 38.28771

Economic information

Geologic structures

Type of structure Local
Structure description Fracture Zone Along Fault

Ore body information

  • General form IRREGULAR
    Strike N 45 - 80 E
    Dip 45 - 50 S
    Thickness 1.83M

Controls for ore emplacement

  • Ore Occurs As A Replacement Lode In Crushed Quartzite Along A Fracture Zone And Has Much Appearance Of A Vein

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1865

Mining district

District name Silver Star

Comments on the production information

  • EARLY PRODUCTION VARIOUSLY REPORTED AT $1,500,000 (LINCOLN); $150,000 (VANDERBURG); $78,000 ( 1877 - 1885 ) (COUCH AND CARPENTER). 1923 ,144 TONS OF ORE SHIPPED

Workings at the site

  • Type of workings Underground
    Length 335.28M

Comments on the workings information

  • 800 FT TUNNEL WITH 350 FT WINZE SUNK FROM TUNNEL LEVEL 150 FT. IN FROM MOUTH AND SEVERAL OTHER WINZES.

Reference information

Bibliographic references

  • Deposit

    HILL, J. M., 1915 , SOME MINING DISTRICTS IN NORTHEASTERN CALIF. AND NORTHWESTERN NEV. USGS BULL. 594 P 176 , 179 - 180

  • Deposit

    LINCOLN, W. O., 1937 , RECONNAISANCE OF MINING DISTRICTS IN MINERAL CO., NEV., USBM, INFO. CIRCULAR P 42 - 43

  • Deposit

    ROSS, D. L., 1961 , GEOLOGY AND MINERAL DEPOSITS OF MINERAL CO., NEV., NEV. BUREAU OF MINES, BULL. 58 TABLE 6.7

  • Deposit

    1915 RECON HILL, BULLETIN 594 P 180

  • Deposit

    1937 RECON VANDERBURG, USBM INFO. CIRCULAR

  • Deposit

    1961 RECON ROSS, NEV. BUREAU OF MINES BULL. 58

  • Production

    HILL ( F - 1 )

General comments

Subject category Comment text
Deposit Discovery Year: 1860'S

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1978 Fiebelkorn, J. B. (Stewart, J. H.) U.S. Geological Survey

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.