Thin Dime Prospect

Occurrence in Inyo county in California, United States with commodities Copper, Iron, Silica
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. Ore body information
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Ownership information
  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 10036271
MRDS ID M025023
Record type Site
Current site name Thin Dime Prospect

Geographic coordinates

Geographic coordinates: -117.58951, 35.92859 (WGS84)
Elevation 1170
Location accuracy 1000(meters)
Relative position 0.7 MILES SOUTHEAST OF MOUTH OF MOUNTAIN SPRINGS CANYON, Located By Brunton Bearings To Prominent Locations, Located By Brunton Bearings To Prominent Locations

Site location context

Political divisions (FIPS codes)

Inyo(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mountain Springs Canyon(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

NAVY(Federal land areas administered by NAVY)

Geographic areas

Country State County
United States California Inyo

Public Land Survey System information

Meridian Township Range Section Fraction State
023S 041E 18 SE OF SW OF SE California

Commodities

Commodity Importance
Copper Primary
Iron Tertiary
Silica Tertiary

Materials information

Materials Type of material
Bornite Ore
Limonite Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Aplite
    Rock description Aplite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -117.58951, 35.92859

Economic information

Ore body information

  • General form TABULAR
    Strike N 37 W
    Dip 45 SW

Controls for ore emplacement

  • Mineralized Fluids Intruded Along Quartz-Diorite, Aplite Dike Contact

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1938
Discoverer Oliver Hopkins, Wm. J. Lange

Mining district

District name Argus

Land status

Ownership category Military Reservation

Ownership information

  • Type Owner
    Owner Naval Weapons Center
    Home office China Lake, Ca.

Workings at the site

  • Type of workings Surface/Underground
    Area 0.003HA
    Length 9.14M
    Overall length 9.14M
    Overall width 1.52M

Comments on the workings information

  • WORKINGS CONSIST OF 20' OF DRIFT ALONG STRIKE OF SHEAR ZONE. AT DRIFT FACE IS A WINZE THAT FOLLOWS ZONE DOWN DIP. IT IS FULL OF MUCK 10 FEET DOWN. THREE SMALL PROSPECT PITS ON SURFACE DOWN DIP FROM ADIT FAILED TO HIT ANYTHING BUT APLITE

Reference information

Bibliographic references

  • Deposit

    W.F. DURBIN, G. HOBSON-RECON., MAPPING, & SAMPLING COMPLETED 4-14-83

General comments

Subject category Comment text
Deposit SHEAR ZONE IS DEVELOPED ALONG THE FOOTWALL CONTACT OF A NORTH-WEST STRIKING APLITE DIKE. ZONE IS CONSISTENTLY 1 FOOT THICK.
Deposit WORKINGS WERE DEVELOPED TO EXPLORE EXTENT OF A 1 FOOT THICK QUARTZ-RICH MINERALIZED SHEAR ZONE. SHEAR ZONE SHOWED TRACES OF COPPER MINERALS AND LIMONITE. EFFORTS TO LOCATE DOWN-DIP EXTENT OF SHEAR ZONE ON THE SURFACE SHOWN BY 3 PITS IN APLITE ; INFO.SRC : 3 FIELD OBSERV; 4 OTHER SRC

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-83 Durbin, William F. (Neal, Conrad L.) Naval Weapons Center-Geothermal Utilization Division

Beyond USGS

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

Authoritative California resources

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