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Johnnie Green

Producer in Mariposa county in California, United States with commodities Copper, Silver
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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. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10109243
MRDS ID M009820
Record type Site
Current site name Johnnie Green
Alternate or previous names Green, Johnny Green, Jr.
Related records 10139776

Geographic coordinates

Geographic coordinates: -120.03848, 37.28354 (WGS84)
Elevation 335
Relative position NE 1/4 SEC. 31

Site location context

Political divisions (FIPS codes)

Mariposa(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Illinois Hill(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 007S 018E 31 California

Commodities

Commodity Importance
Copper Primary
Silver Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist

Nearby scientific data

(1) -120.03848, 37.28354
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: MINE AREA IS IN BELT OF QUARTZ - MICA AND QUARTZ - MICA - CHIASTOLITE SCHIST, STRIKES N 30 - 40 W, DIPS ROUGHLY 60 NE.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1863

Comments on the production information

  • 1866 ; 50 TONS OF COPPER ORE WERE SMELTED AND SHIPPED PER WEEK. 1907 HIGH-GRADE COPPER ORE WAS STILL BEING MINED. 1954 OXIDIZED ORE SHIPPED FROM THE AREA.

Comments on the workings information

  • FOUR INCLINED SHAFTS OF UNKNOWN DEPTH, ONE CAVED ADIT: WORKINGS HAVE NO MEANS OF ACCESS.

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. 66 .

  • Deposit

    ERIC, J. H., 1948 , COPPER IN CALIFORNIA BULL. 144 ; DIV. OF MINES, P. 267 .

General comments

Subject category Comment text
Deposit ORE SHOOTS IMPREGNATING SCHIST IN REPLACEMENT MASSES BORDERING NARROW QUARTZ VEINS.
Deposit THE PRIMARY ORE CONSISTS OF CHALCOPYRITE AND PYRITE OR PYRRHOTITE; THERE IS SOME CARBONATE ORE IN THE UPPER PARTS OF THE SHOOTS. THE WORKINGS HAVE NO MEANS OF ACCESS AND THERE WAS NO EQUIPMENT ON THE PROPERTY IN 1954. A SMALL SHIPMENT OF OXIDIZED ORE WAS SHIPPED FR. THIS AREA IN 1954 BUT IT IS NOW KNOWN WHICH PROPERTY THE ORE WAS FROM.

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.

External references

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.