1. Mineral Resources
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  3. Mineral Resource Data System (MRDS)

Standard

Occurrence in Inyo county in California, United States with commodities Lead, Copper, Silver
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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. Economic information about the deposit and operations
  13. Mining district
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10033997
MRDS ID M020665
Record type Site
Current site name Standard
Alternate or previous names Ruona

Geographic coordinates

Geographic coordinates: -117.5909, 36.28025 (WGS84)

Site location context

Political divisions (FIPS codes)

Inyo(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Darwin(quadrangle 1:24,000 scale)

Darwin Hills(quadrangle 1:100,000 scale)

Death Valley(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Panamint Valley(hydrologic unit)

Northern Mojave(hydrologic accounting unit)

Northern Mojave-Mono Lake(hydrologic subregion)

California(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management CA)

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

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States California Inyo

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 019S;019S 040E;041E 13;18 California

Commodities

Commodity Importance
Lead Tertiary
Copper Tertiary
Silver Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Pyrite Ore
Calcite Gangue
Fluorite Gangue
Jasper Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Hornfels

Nearby scientific data

(1) -117.5909, 36.28025
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Economic information

Geologic structures

Type of structure Local
Structure description Faults, Folds

Ore body information

  • Strike N 50 - 75 E
    Dip 70 NW
    Thickness 1.22M

Comments on the geologic information

  • GEOL.DESC: WORKINGS ARE MAINLY IN CALC-HORNFELS OF KEELER CANYON FORMATION, LOCALLY WITHIN GRANITIC ROCKS, BEDDING STRIKES NORTH, DIPS WESTERLY EXCEPT FOR MINOR FOLDS. TWO VERTICAL BRANCHES OF A N 60 - 80 W TRENDING FAULT ZONE NEAR OLD CAMPSITE. THESE FAULTS ARE MARKED BY 10 - 40 FT. THICK GOUGE ZONES.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Mining district

District name Darwin

Comments on the workings information

  • "STANDARD VEIN"; 70 FT. VERTICAL SHAFT, ADITS 100 AND 200 FT. LONG, EXTENSIVE SURFACE WORKINGS "STANDARD EXTENSION"; 3 SHAFTS ABOUT 100 FT. DEEP, TWO ADITS, DRIFTS AND MINOR SURFACE WORKINGS "UNNAMED VEIN"; EXPLORED BY NE TRENDING ADIT, ALSO SURFACE WORKINGS.

Reference information

Bibliographic references

  • Deposit

    HALL, W. E. AND MACKEVETT, E. M., 1958 , ECONOMIC GEOLOGY OF THE DARWIN QUAD, INYO COUNTY, CALIF.; DIV. OF MINES, SPECIAL REPORT 51, P. 40

General comments

Subject category Comment text
Deposit MOST IMPORTANT VEINS ARE THE "STANDARD VEIN" EXPOSED FOR ABOUT 1,000 FT, CONTAINS POCKETS OF "GALENA, CERUSSITE, PYRITE, CHRYSOCOLLA AND ANGLESITE. "STANDARD EXTENSION" CROPS OUT FOR 600 FT., ITS 600 FT. SOUTH OF "STANDARD", STRIKES N 60 - 70 E, DIPS 75 NW TO VERTICAL, AVERAGES 2 FT. IN THICKNESS, COMPOSED OF COURSE CALCITE, QUARTZ, JASPER AND LIMONITE, LESSER AMOUNTS OF GALENA, CERUSSITE, HEMIMORPHITE AND CHRYSOCOLLA. UNNAMED VEIN, AVERAGES 2 FT. THICK, STRIKES N 60 E, DIPS 75 NW, SIMILAR TO "STANDARD" IN MINERAL CONTENT. POSSIBLY FAULTED SEGMENT OF "STANDARD VEIN".
Deposit SMALL QUANTITIES OF ORE MINERALS ARE LOCALLY DISTRIBUTED ON STEEP MINOR SUBSIDIARY FAULTS, STRIKE BETWEEN N 25 W AND N 25 E. PART OF RUONA GROUP.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1978 Fraticelli, L. A. (Albers, J.) U.S. Geological Survey

Beyond USGS

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

Maps centered on this site

Authoritative California resources

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