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Truckee Canyon Group

Occurrence in Nevada county in California, United States with commodity Uranium
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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. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Ownership information
  10. Links to other databases
  11. Bibliographic references
  12. Reporter information

Geologic information

Identification information

Deposit ID 10092486
MRDS ID M012020
Record type Site
Current site name Truckee Canyon Group
Related records 10140281

Geographic coordinates

Geographic coordinates: -120.0399, 39.41128 (WGS84)
Relative position E1/2? NEAR HIGHWAY 40. TWO GROUPS OF CLAIMS, THE GREEN BOY AND FLORISTON

Site location context

Political divisions (FIPS codes)

Nevada(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Boca(quadrangle 1:24,000 scale)

Truckee(quadrangle 1:100,000 scale)

Chico(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Truckee(hydrologic unit)

Truckee(hydrologic accounting unit)

Central Lahontan(hydrologic subregion)

Great Basin(hydrologic region)

Federal lands

ST(Federal land areas administered by ST)

Geographic areas

Country State County
United States California Nevada

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 018N 017E 13 California

Commodities

Commodity Importance
Uranium Primary

Economic information

Comments on the geologic information

  • GEOL.DESC: ABNORMAL RADIOACTIVITY AMT. 10X BACKGROUND AT GREEN BOY CLAIM, IS ASSOCIATED WITH A BRECCIATED AND ALTERED SHEAR ZONE IN GRANODIORITE OF JURASSIC AGE. MAXIMUM RADIOACTIVITY ON FLORISTON CLAIMS IN A NARROW FAULT ZONE IN GRANITIZED SEDIMENTS. IN THE GREEN BOY, METAZENNERITE (?) OCCURS AS MINUTE CAVITY FILLINGS IN THE ROCK; MANGANESE OXIDES AND FLUORITE ARE ALSO PRESENT IN THE VEIN. RICHEST SAMPLE CONTAINED 0.5% U3O8. THE HIGHEST GRADE SAMPLE ON FLORISTAN CLAIMS CONTAINED 0.13% U3O8. OTHER MINERALS CONSISTED OF A BLUE SODIC AMPHIBOLE AND MINOR AMTS. OF PYRITE, CHALCOPYRITE, AND MALACHITE.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Ownership information

  • Type Owner
    Owner Sierra Power And Light Owner; Richard Joseph And Jas. E. Harris, Lessees
    First year 1954

Reference information

Bibliographic references

  • Deposit

    DOM SR 49, P. 9, 12, 28

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1973 Gere, W. 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.