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  3. Mineral Resource Data System (MRDS)

Rough-And-Ready

Producer in Nevada county in California, United States with commodities Gold, Platinum
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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. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Ore body information
  12. Controls for ore emplacement
  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 10109519
MRDS ID M045263
Record type Site
Current site name Rough-And-Ready
Related records 10261992

Geographic coordinates

Geographic coordinates: -121.12743, 39.23239 (WGS84)
Elevation 640
Relative position ABOUT 5 MI WEST OF GRASS VALLEY

Site location context

Political divisions (FIPS codes)

Nevada(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Rough And Ready(quadrangle 1:24,000 scale)

Yuba City(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)

Geographic areas

Country State County
United States California Nevada

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 016N 008E 19 California

Comments on the location information

  • DEPOSIT IS ASSUMED TO BE NEAR TOWN OF ROUGH AND READY. LOCATION GIVEN IS WHERE LOWER DITCH CROSSES HIGHWAY 20 ABOUT 0.5 MI EAST-NORTHEAST OF TOWN OF ROUGH AND READY.

Commodities

Commodity Importance
Gold Primary
Platinum Critical Secondary

Materials information

Materials Type of material
Gold Ore

Analytical data

Result HEAVY SAND FROM HYDRAULIC CLEANUP YIELDED $115.75/TON AU (0.755 OZ/TON, 26 PPM), $15.60/TON PT (0.520 OZ/TON, 18 PPM), CONCENTRATION NOT KNOWN

Mineral occurrence model information

Model code 119
USGS model code 39a
Deposit model name Placer Au-PGE
Mark3 model number 54

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Gravel
    Stratigraphic age (youngest) Pliocene

Nearby scientific data

(1) -121.12743, 39.23239
ListMap

Economic information

Ore body information

  • General form STREAM SEDIMENT DEPOSITS

Controls for ore emplacement

  • Stream Hydraulics

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1848

Mining district

District name Rough-And-Ready District

Comments on the workings information

  • DRIFT MINING AND HYDRAULIC 1850'S, MINOR PROSPECTING SINCE 1930'S

Reference information

Bibliographic references

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1974 Blair, Will N. U.S. Geological Survey
Updater 01-FEB-1989 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.