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Casa Diablo

Past Producer in Mono county in California, United States with commodities Gold, Copper, Lead, 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. Mining district
  13. Land status
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10086472
MRDS ID X024205
Record type Site
Current site name Casa Diablo

Geographic coordinates

Geographic coordinates: -118.55373, 37.58272 (WGS84)
Elevation 2256
Relative position ON CASA DIABLO MTN.

Site location context

Political divisions (FIPS codes)

Mono(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Casa Diablo Mountain(quadrangle 1:24,000 scale)

Benton Range(quadrangle 1:100,000 scale)

Mariposa(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Crowley Lake(hydrologic unit)

Mono-Owens Lakes(hydrologic accounting unit)

Northern Mojave-Mono Lake(hydrologic subregion)

California(hydrologic region)

Federal lands

Inyo National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States California Mono

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 004S 031E 21,22 California

Commodities

Commodity Importance
Gold Primary
Copper Secondary
Lead Secondary
Silver Secondary

Comments on the commodity information

  • ORE REPORTED TO AVG. $12/TON 70 % OF VALUES REPORTED TO BE FREE MILLING. REMAINER OF ORE IN SULFIDES ( 3 % OF ORE ).

Materials information

Materials Type of material
Chalcopyrite Ore
Gold Ore
Pyrite Ore
Iron Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -118.55373, 37.58272
ListMap

Economic information

Ore body information

  • Strike N 55 E
    Dip 65 NW
    Thickness 0.91M

Economic information about the deposit and operations

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

Mining district

District name Casa Diablo

Land status

Ownership category National Forest

Comments on the production information

  • MAY BROOK MOST PRODUCTIVE VEIN. TOTAL PRODUCTION THRU 1910 EST. AT $50,000. WORK CONTINUED THRU 1922 . NO OTHER PRODUCTION RECORDS FOUND.

Comments on the workings information

  • NUMBER OF TUNNELS AT DIFFERENT ELEVATIONS. MAIN TUNNEL DRIVEN AS CROSSCUT S 30 E 1000 FT. INTERSECTING THE VEINS. MAY BROOKS VEIN CUT 300 FT. FROM PORTAL, DRIFTS RUN 300 FT. SW AND 75 FT. NE. IN SW DRIFT, 250 FT. OF ITS LENGTH STOPED TO SURFACE. DON OF HOPE VEIN ENCOUNTERED 390 FT. FROM PORTAL; DRIFTED 300 FT. NE, STOPED FOR 100 FT. WINZE DRIVEN 250 FT. DEEP ON DON OF HOPE VEIN.

Reference information

Bibliographic references

  • Deposit

    GOODWIN, J. G., 1957 , LEAD AND ZINC IN CALIFORNIA: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 53 , NOS. 3 AND 4 , P. 556 .

  • Deposit

    TUCKER, W. B., AND SAMPSON, R. J., 1940 , MINERAL RESOURCES OF MONO COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 36 , NO. 2 , P. 121 .

  • Deposit

    EAKLE, A. S., AND MCLAUGHLIN, R. P., 1917 , MONO COUNTY: REPORT 15 OF THE STATE MINERALOGIST, CALIFORNIA STATE MINING BUREAU, P. 173 .

  • Deposit

    RINEHART, C. D., AND CROSS, D. C., 1956 , ECONOMIC GEOLOGY OF THE CASA DIABLO MT. QUADRANGLE, CALIFORNIA: SPECIAL REPORT 48 OF THE CALIF. DIVISION OF MINES AND GEOLOGY, SAN FRANCISCO, CA., P. 8 .

  • Production

    GOODWIN ( 1957 )

General comments

Subject category Comment text
Deposit 3 PARALLEL VEINS, THE MAY BROOKS, DON OF HOPE AND DRY BONE.
Deposit 6 CLAIMS ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1979 Nelson, Scott C. (Albers, John, P.) 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.