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Picayune Lake Group

Past Producer in Trinity county in California, United States with commodity Chromium
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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. Economic information about the deposit and operations
  11. Mining district
  12. Land status
  13. Links to other databases
  14. Bibliographic references
  15. Reporter information

Geologic information

Identification information

Deposit ID 10043502
MRDS ID M100277
Record type Site
Current site name Picayune Lake Group

Geographic coordinates

Geographic coordinates: -122.41721, 41.13207 (WGS84)
Elevation 1402
Location accuracy 1000(meters)
Relative position APPROX. 16 MILES WEST OF GIBSON, CA., Assumed Spot Common Corner Of 3 Sections.

Site location context

Political divisions (FIPS codes)

Shasta(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Seven Lakes Basin(quadrangle 1:24,000 scale)

Mount Shasta(quadrangle 1:100,000 scale)

Weed(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Sacramento Headwaters(hydrologic unit)

Upper Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Federal lands

Shasta-Trinity 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 Trinity

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 039N;039N;039N 006W;006W;006W 23;26;27 California

Commodities

Commodity Importance
Chromium Critical Primary

Comments on the commodity information

  • HIGH GRADE CHROMITE

Materials information

Materials Type of material
Chromite Ore

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Gabbro
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite

Nearby scientific data

(1) -122.41721, 41.13207
ListMap

Economic information

Comments on the geologic information

  • THE DEPOSIT OCCURS IN A LARGE PERIDOTITE BODY THAT COVERS APPROX. 300 SQ. MILES OF NE TRINITY CO.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1917

Mining district

District name Mumbo Basin Area

Land status

Ownership category National Forest

Reference information

Bibliographic references

  • Deposit

    WELLS, F.G. AND HAWKES, H.E, 1965, CDMG BULL 134, PART 1, CHAPT. 3, P. 171, 173, 175

  • Deposit

    O'BRIEN, J.C., 1965, CDMG COUNTY REPORT NO. 4, P. 58.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-82 Oster, Karel L. (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.