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  3. Mineral Resource Data System (MRDS)

Rao

Past Producer in Sierra county in California, United States with commodity 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. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10086534
MRDS ID X025444
Record type Site
Current site name Rao
Related records 10262127

Geographic coordinates

Geographic coordinates: -120.83631, 39.47572 (WGS84)
Relative position 1/8 MI NE OF ALLEGHANY

Site location context

Political divisions (FIPS codes)

Sierra(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Alleghany(quadrangle 1:24,000 scale)

Truckee(quadrangle 1:100,000 scale)

Chico(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Yuba(hydrologic unit)

Lower Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Federal lands

Tahoe 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 Sierra

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 019N 010E 34 California

Comments on the location information

  • UTM EST. NE 1/4

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist
    Stratigraphic age (youngest) Late Permian
  • Host or associated Host
    Rock type Metamorphic Rock > Serpentinite

Nearby scientific data

(1) -120.83631, 39.47572
ListMap

Economic information

Ore body information

  • Strike NE
    Dip 60 SW

Comments on the geologic information

  • AMPHIBOLITE SCHIST COUNTRY ROCK CUT BY SERPENTINE DIKE WHICH ON NE CONTACT IS ALTERED TO LIMONITIC GOSSAN, RESULTING FROM THE OXIDATION OF IRON-BEARING CARBONATE, FROM TERT GRAVELS ALMOST TO CREEK. IN UPPER PART, A 2ND LITTLE QTZ VEIN W N 85 W STRIKE, APP DIP 85 NE. 300 FT SE, A 3RD VEIN STRIKES NW. DIPS 60 SW.

Economic information about the deposit and operations

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

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit VEIN

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1979 Hayden, F. (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.