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  3. Mineral Resource Data System (MRDS)

Brown Prospect

Occurrence in Modoc county in California, United States with commodity Mercury
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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. Alteration
  9. Mineral occurrence model information
  10. Host and associated rocks
  11. Nearby scientific data
  12. Ore body information
  13. Economic information about the deposit and operations
  14. Mining district
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10040712
MRDS ID M055571
Record type Site
Current site name Brown Prospect
Related records 10212175

Geographic coordinates

Geographic coordinates: -120.36883, 41.24486 (WGS84)
Elevation 1731
Location accuracy 2000(meters)
Relative position 6 MI EAST OF LIKELY

Site location context

Political divisions (FIPS codes)

Modoc(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Jess Valley(quadrangle 1:24,000 scale)

Alturas(quadrangle 1:100,000 scale)

Alturas(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Pit(hydrologic unit)

Upper Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Federal lands

Modoc 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 Modoc

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 039N 014E 04 California

Comments on the location information

  • LOCATION TO CENTER OF SECTION.

Commodities

Commodity Importance
Mercury Primary

Materials information

Materials Type of material
Cinnabar Ore

Alteration

  • (Local) Silicification (Opalite)

Mineral occurrence model information

Model code 177
USGS model code 27a
Deposit model name Hot-spring Hg

Host and associated rocks

  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff
    Stratigraphic age (youngest) Pliocene

Nearby scientific data

(1) -120.36883, 41.24486
ListMap

Economic information

Ore body information

  • General form DISSEMINATED
    Strike NW
    Dip NE

Comments on the geologic information

  • GEOL.DESC: RIBS OF OPALITE AND SILICIFIED VOLCANIC TUFF

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Alturas District

Comments on the workings information

  • SEVERAL SHORT ADITS, OPEN CUTS

Comments on development

  • EXPLORED IN 1939-1940

Reference information

Bibliographic references

  • Deposit

    HOLMES, G.W., JR., 1965, MERCURY IN CALIFORNIA, IN MERCURY POTENTIAL OF THE UNITED STATES: U.S. BUREAU OF MINES INFORMATION CIRCULAR 8252, P. 172, 199

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-75 Gassaway, J. S. U.S. Geological Survey
Updater 01-FEB-91 Peterson, Jocelyn A. 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.