Morning Star Mine

Past Producer in Inyo county in California, United States with commodities Gold, Lead, Silver, Copper

Geologic information

Identification information

Deposit ID 10076659
MRDS ID W023803
Record type Site
Current site name Morning Star Mine
Related records 10212284

Geographic coordinates

Geographic coordinates: -117.79508, 36.52468 (WGS84)
Elevation 2377
Relative position 4,600 FT. SOUTH OF CERRO GORDO SHAFT
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Geographic areas

Country State County
United States California Inyo

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 016S 038E 24 California

Comments on the location information

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

Commodities

Commodity Importance
Gold Primary
Lead Secondary
Silver Secondary
Copper Secondary

Materials information

Materials Type of material
Gold Ore

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Stratigraphic age (youngest) Late Devonian

Nearby scientific data

(1) -117.79508, 36.52468

Ore body information

  • Strike N 30 W
    Dip 70 W
    Thickness 3.05M
    Length 21.34M

Comments on the geologic information

  • GEOL.DESC: ORE BODIES OCCUR IN LIMESTONE AND MARBLE FROM CERRO GORDO FORMATION; FORMATION HAS THICKNESS OF 1500 FT., OUTCROPS CONTINUOUSLY FROM CERRO GORDO MINE TO POINT SOUTH OF MOURING STAR WORKINGS, WHERE THE WHITE PINE SHALE FORMATION OF MISSISSIPPIAN AGE OVERLIES IT.

Economic information

Economic information about the deposit and operations

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

Comments on the production information

  • 6,000 TONS OF ORE REPORTED TO HAVE BEEN MINED, GROSS VALUE OF $150,000. GOLD ORE ASSAYED; .8 OZ AU, 30.67 OZ AG, 5.55 % PB, AND 25.7 % FE.

Workings at the site

  • Type of workings Underground
    Length 1950.72M

Comments on the workings information

  • TWO TUNNELS; AT ELEV. 7,972 FT. UPPER TUNNEL IS DRIVEN EAST 1,530 FT. LOWER TUNNEL AT ELEV. 7,754 FT. IS DRIVEN EAST 930 FT. TWO TUNNELS CONNECTED BY WINZE WITH SUB-LEVELS.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS W023803

Bibliographic references

  • 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. 439 - 440

  • Production

    TUCKER, W. B., AND SAMPSON, R. J., 1938 , P. 439

General comments

Subject category Comment text
Deposit GOLD ORE BODIES FOUND ALONG BEDDING IN LIMESTONE, STRIKE N 50 W, DIP 45 SW, VEIN FILLING IS IRON. STOPE IS 70 FT. IN LENGTH, THICKNESS VARIES, 3 FT - 10 FT. LEAD-ZIN ORE BODIES WERE IRON-STAINED SILICEOUS ORE CARRYING VALUES IN SILVER.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1978 Fraticelli, L. A. (Albers, J.) U.S. Geological Survey