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Greenback

Past Producer in Kern 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. Ore body information
  11. Economic information about the deposit and operations
  12. Production statistics
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10034178
MRDS ID M020893
Record type Site
Current site name Greenback
Alternate or previous names Weringer

Geographic coordinates

Geographic coordinates: -118.83343, 35.69748 (WGS84)
Relative position 1/4 MILE SOUTH OF WOODY NEAR TOP OF EAST TRENDING SPUR.

Site location context

Political divisions (FIPS codes)

Kern(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Woody(quadrangle 1:24,000 scale)

Isabella Lake(quadrangle 1:100,000 scale)

Bakersfield(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Deer-Upper White(hydrologic unit)

Tulare-Buena Vista Lakes(hydrologic accounting unit)

Tulare-Buena Vista Lakes(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Kern

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 026S 029E 02,03 California

Comments on the location information

  • NE 1/4 SEC. 3 , NW 1/4 SEC. 2 , UTM EST

Commodities

Commodity Importance
Copper Primary
Silver Secondary

Comments on the commodity information

  • MASSIVE SULFIDE ORE ON DUMP IS PRIMARLY COMPOSED OF CHALCOPYRITE WITH MINOR PYRITE CUT BY VEINLETS OF SOOTY CHALCOCITE.

Materials information

Materials Type of material
Chalcocite Ore
Malachite Ore

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Nearby scientific data

(1) -118.83343, 35.69748
ListMap

Economic information

Ore body information

  • General form LENTICULAR
    Depth to top 18.29M

Comments on the geologic information

  • GEOL.DESC: AREA IS UNDERLAIN BY BIOTITE-HORNBLENDE GRANODIORITE WHICH CONTAINS INCONSPICUOUS QUARTZ VEINS AND NARROW APLITE DIKES. BOTH APLITE DIKES AND VEINS ARE CUT AND DISPLACED ALONG MINERALIZED SHEARS. SHEETED ZONE IS PARALLEL TO JOINT SYSTEMS IN THE GRANODIORITE. BOTH WALLS OF THE 5 FT. VEIN ARE MARKED BY SLICKENSIDED SURFACES WITH SPARE MINERALIZATION EXTENDING INTO THE WALL ROCK.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Medium
Significant No
Production years 1890 - 1900 , 1918

Production statistics

  • Year 1900
    Period 1890 - 1900
    Material ORE
    Accuracy Accurate
    Description Cp_Grade: ^19.4 % Cu, 5.7 Oz. Ag/Ton
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Silver Silver 443g/mt
    Trace Ore Copper Copper 19wt-pct

Comments on the production information

  • MILL ORE RANGED FROM 2 - 8 % CU, AND 2 OZ. AG/TON NO MINING DONE SINCE 1918 .

Workings at the site

  • Type of workings Surface/Underground
    Overall depth 73.15M

Comments on the workings information

  • 200 FT. SINGLE-COMPARTMENT INCLINED SHAFT WITH LEVELS DRIVEN NW AT 95 , 135 AND 185 FT. DEPTHS. 250 FT. NORTH OF INCLINED SHAFT, TWO VERTICAL SHAFTS SUNK ON CONTINUATION OF SAME (?) VEIN, ONE SHAFT 240 FT. DEEP WITH LEVELS AT 100 , 140 AND 200 FT. A 200 FT. WINZE WAS SUNK IN THE MAIN ORE SHOOT AT AN INCLINATION OF 45 DEG. FROM 200 LEVEL. OTHER WORKINGS INCLUDE FIVE SMALL PROSPECT PITS AND A CAVED ADIT.

Reference information

Bibliographic references

  • Deposit

    TROXEL, B.W. AND MORTON, P.K., 1962 , MINES AND MINERAL RESOURCES OF KERN COUNTY; CA; COUNTY REPT. 1 ; CA. DIV. MINES AND GEOLOGY, P. 84 - 90

  • Production

    TROXEL AND MORTON, 1962

General comments

Subject category Comment text
Deposit 6 VEINS, PRINCIPAL COPPER VEIN IS 5 FT. WIDE, STRIKES N 5 E AND DIPS VERTICALLY. NEAR-SURFACE EVIDENCE IT APPEARS THAT AN ORE SHOOT WAS FORMED AT THE INTERSECTION OF THE 5 FT. VEIN AND SHEETED ZONE 6 FT. WIDE, STRIKES N 70 E, DIP VARIES FROM 42 - 60 NW. LIMONITE GOSSAN 16 INCHES THICK OCCURS ALONG THE HANGING WALL OF THE SHEETED ZONE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-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.