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Lost Keys

Past Producer in Kern county in California, United States with commodity Gold
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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. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Ownership information
  12. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10048711
MRDS ID MP25724
Record type Site
Current site name Lost Keys

Geographic coordinates

Geographic coordinates: -117.68034, 35.55499 (WGS84)
Location accuracy 500(meters)

Site location context

Political divisions (FIPS codes)

Kern(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Ridgecrest South(quadrangle 1:24,000 scale)

Ridgecrest(quadrangle 1:100,000 scale)

Trona(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Indian Wells-Searles Valleys(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 Kern

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 027S 040E 33,34 California

Comments on the location information

  • REPORTED SECTION QUESTIONABLE.

Commodities

Commodity Importance
Gold Primary

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Mafic Volcanic Rock > Basalt
  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -117.68034, 35.55499
ListMap

Economic information

Ore body information

  • Strike N60W
    Dip 80NE
    Thickness 0.91M

Comments on the geologic information

  • GRANITE CUT BY SERIES OF BASALTIC, DIORITIC DIKES. DIORITE DIKE 50 FT THICK OUTCROPS SOME 50 FT WEST OF SHAFT. STRIKE N-S; FEW FT. NORTH OF SHAFT, BASALTIC DIKE OUTCROPS, STRIKE NE. K4:GANGUE: QUARTZ, PYRITE, IRON AND MANGANESE OXIDES.

Economic information about the deposit and operations

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

Ownership information

  • Type Owner
    Owner D. J. O'Connor, M. L. Rubbert, Inyokern, California

Workings at the site

  • Type of workings Underground
    Overall depth 32M

Comments on the workings information

  • 105 FT SHAFT

Reference information

Bibliographic references

  • Deposit

    CALIFORNIA JOURNAL OF MINES AND GEOLOGY, VOL 29, P. 317

General comments

Subject category Comment text
Deposit VEIN. 3 FT WIDE BETWEEN WALLS, QUARTZ FEW INCHES - 3 FT THICK, AUG. 2 FT VEIN APPROACHES BASALTIC DIKE ON ITS DIP.
Deposit 10 CLAIMS

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1982 Nelson, Scott C. (Albers, John, P.) 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.