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  3. Mineral Resource Data System (MRDS)

Hinchman

Past Producer in Plumas county in California, United States with commodities Copper, 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. Materials information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10077098
MRDS ID W024533
Record type Site
Current site name Hinchman
Alternate or previous names Polar, North Star
Related records 10115739

Geographic coordinates

Geographic coordinates: -120.79104, 40.0571 (WGS84)
Elevation 1280
Relative position 2 MILES NW OF GENESEE

Site location context

Political divisions (FIPS codes)

Plumas(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Taylorsville(quadrangle 1:24,000 scale)

Susanville(quadrangle 1:100,000 scale)

Susanville(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

East Branch North Fork Feather(hydrologic unit)

Lower Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Federal lands

Plumas National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States California Plumas

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 025N 011E 06 California

Commodities

Commodity Importance
Copper Primary
Gold Primary

Materials information

Materials Type of material
Bornite Ore

Host and associated rocks

  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite

Nearby scientific data

(1) -120.79104, 40.0571
ListMap

Economic information

Ore body information

  • Strike N 20 W
    Dip 70 SW
    Length 914.4M

Economic information about the deposit and operations

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

Mining district

District name Genesee Valley

Land status

Ownership category National Forest

Comments on the production information

  • ORE SHIPPED FROM SURFACE WORKINGS DURING EARLY DAYS-1860'S. 100 TONS OF ORE OF TWO GRADES ARE ON DUMP, BEST AVG. 10 % CU, $3 AU, AND $3 AG.

Workings at the site

  • Type of workings Underground
    Length 341.38M
    Overall depth 6.1M

Comments on the workings information

  • 600 FT. OF OPEN CUTS AND SHAFT 20 FT. DEEP. AN ADIT 500 FT.

Reference information

Bibliographic references

  • Deposit

    ERIC, J.H., 1948 , COPPER IN CALIFORNIA BULL. 144 ; DIV. OF MINES, P. 287

  • Deposit

    MAC BOYLE, E., 1918 , PLUMAS COUNTY; 16TH REPT. STATE MINERALOGIST; CALIF. MIN. BUR., P. 127 - 128

General comments

Subject category Comment text
Deposit FISSURE VEIN NEAR CONTACT BETWEEN SANDSTONE AND META-ANDESITE, AVG. THICKNESS, 2 FT.
Deposit COMPRISED OF 60 ACRES.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-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.