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  3. Mineral Resource Data System (MRDS)

Cornett

Past Producer in Mariposa county in California, United States with commodities Copper, 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. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10031049
MRDS ID M009618
Record type Site
Current site name Cornett
Related records 10139858

Geographic coordinates

Geographic coordinates: -120.15377, 37.38049 (WGS84)
Relative position 21 MILES EAST OF MERCED

Site location context

Political divisions (FIPS codes)

Mariposa(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Indian Gulch(quadrangle 1:24,000 scale)

Merced(quadrangle 1:100,000 scale)

San Jose(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Fresno River(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Mariposa

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 006S 017E 30 California

Commodities

Commodity Importance
Copper Primary
Gold Secondary

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone

Nearby scientific data

(1) -120.15377, 37.38049
ListMap

Economic information

Ore body information

  • Thickness 0.86M

Comments on the geologic information

  • GEOL.DESC: WALL ROCK SCHISTOSE GREENSTONE, NEAR GRANODIORITE CONTACT

Economic information about the deposit and operations

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

Mining district

District name Cathay

Comments on the production information

  • 160 SACKS OF SULFIDE ORE YIELDED; 20 % CU, $2.26 - $4.60 AU/TON

Reference information

Bibliographic references

  • Deposit

    BOWEN, O. E. AND CLIFFTON, G. H., 1957 , MINES AND MINERAL RESOURCES OF MARIPOSA COUNTY, CALIFORNIA; CALIF. JOUR. MINES AND GEOLOGY, VOL. 53 , NO. 1 & 2 , P. 226

General comments

Subject category Comment text
Deposit NO OTHER INFORMATION AVAILABLE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1973 Gere, W. U.S. Geological Survey
Updater 01-JUL-1978 Fraticelli, L. A. (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.