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Modoc Mine

Past Producer in Inyo county in California, United States with commodities Lead, Silver, Gold, Copper
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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. Economic information about the deposit and operations
  10. Mining district
  11. Production statistics
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10076634
MRDS ID W023766
Record type Site
Current site name Modoc Mine
Alternate or previous names Modock
Related records 10212497

Geographic coordinates

Geographic coordinates: -117.42562, 36.24414 (WGS84)
Elevation 1143
Relative position 8 1/2 MILES (AIRLINE) SE OF PANAMINT SPRINGS

Site location context

Political divisions (FIPS codes)

Inyo(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Revenue Canyon(quadrangle 1:24,000 scale)

Darwin Hills(quadrangle 1:100,000 scale)

Death Valley(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Panamint Valley(hydrologic unit)

Northern Mojave(hydrologic accounting unit)

Northern Mojave-Mono Lake(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Inyo

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 019S 042E 28 California

Comments on the location information

  • UTM ACC. ; INFO FROM LAND.ST :UNDETERMINED

Commodities

Commodity Importance
Lead Primary
Silver Primary
Gold Secondary
Copper Secondary

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite > Diabase
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) -117.42562, 36.24414
ListMap

Economic information

Economic information about the deposit and operations

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

Mining district

District name Modoc

Production statistics

  • Year 1890
    Period - 1890
    Material ORE
    Accuracy Accurate
    Description Cp_Grade: ^30 - 50 % Pb, 50 - 200 Oz Ag, 0.25 Oz Au Per Ton.
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Minor Ore Gold Gold 7g/mt
    Major Ore Silver Silver 3529g/mt
    Major Ore Lead Lead 40wt-pct

Comments on the production information

  • SINCE 1944 15,000 TONS OF DUMP MATERIALS HAS BEEN SHIPPED. ASSAYS RAN 2.37 % - 11.07 % PB, 4 - 10 % ZN, .45 - 12.83 OZ AG AND .03 - .12 OZ AU PER TON.

Comments on the workings information

  • TUNNELS AND SHAFTS; LOWER TUNNEL, DRIVEN SW 1800 FT. WITH 2000 FT. OF DRIFTS. TUNNEL NO. 1 CONNECTED TO TUNNEL NO. 2 BY RAISE 560 FT. TUNNEL NO. 2 IS DRIVEN SE FOR 500 FT., 1200 FT. OF CROSSCUTS AND DRIFTS. NO. 3 TUNNEL IS 600 FT. DRIVEN SOUTH MODOC ( NO. 3 ) SHAFT IS 600 FT. DEEP WITH AN INCLINED SHAFT OF 200 FT.

Reference information

Bibliographic references

  • Deposit

    GOODWIN, J. C., 1957 , LEAD AND ZINC IN CALIFORNIA; CALIF. JOUR. MINES AND GEOLOGY, VOL. 53 , NO. 3 & 4 ; DIV. OF MINES, P. 491

  • Deposit

    TUCKER, W. B. AND SAMPSON, R. J., 1938 , MINERAL RESOURCES OF INYO COUNTY; CALIF. JOUR. MINES AND GEOLOGY, VOL. 34 , NO. 4 ; DIV. OF MINES, P. 445 - 447 .

  • Production

    GOODWIN, J. C., 1957 , P. 491 (SEE REF.)

General comments

Subject category Comment text
Deposit ORE OCCURS IN FISSURES ADJACENT TO DIABASE DIKES AND SILLS.

Reporter information

Type Date Name Affiliation Comment
Reporter 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.