Skip to main content

McKinnan Gulch

Occurrence in Marin county in California, United States with commodities Copper, Lead

Geologic information

Identification information

Deposit ID 10030794
MRDS ID M009210
Record type Site
Current site name McKinnan Gulch
Related records 10163677

Geographic coordinates

Geographic coordinates: -122.66828, 37.94657 (WGS84)
Relative position ON BOLINAS RIDGE AT HEAD OF MCKINNAN GULCH. DEPOSIT IS 100 YARDS WEST OF BOLINAS RIDGE ROAD - LOCATED ABOUT 2 MILES DUE NORTH OF STINSON BEACH (USGS QUAD. BOLINAS, CALIF.)
(click for info)

Geographic areas

Country State County
United States California Marin

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 001N 007W 21 California

Commodities

Commodity Importance
Copper Tertiary
Lead Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Pyrite Ore
Calcite Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale

Nearby scientific data

(1) -122.66828, 37.94657

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Comments on the production information

  • PROBABLY PROSPECTED IN THE 1930'S

Comments on the workings information

  • OPEN CUT AND TUNNEL, PROBABLY IN 1930'S

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS M009210

Bibliographic references

  • Deposit

    PLANCK, WM. E. VER., 1955 ; MINES AND MINERAL RESOURCES OF MARIN COUNTY, CA.; CALIF. JOUR. MINES AND GEOLOGY, VOL. 51 , NO. 3 , P. 279

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1973 Gere, W. U.S. Geological Survey
Updater 01-MAR-1979 Fraticelli, L. A. (Albers, J.) U.S. Geological Survey