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Black Mtn.

Past Producer in San Mateo county in California, United States with commodity Gold
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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. Economic information about the deposit and operations
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10106523
MRDS ID X025051
Record type Site
Current site name Black Mtn.
Related records 10189823

Geographic coordinates

Geographic coordinates: -122.43827, 37.7024 (WGS84)
Elevation 206
Relative position 0.5 MI. S. GUADALUPE SCHOOL

Site location context

Political divisions (FIPS codes)

San Mateo(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

San Francisco South(quadrangle 1:24,000 scale)

San Francisco(quadrangle 1:100,000 scale)

San Francisco(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

San Francisco Bay(hydrologic unit)

San Francisco Bay(hydrologic accounting unit)

San Francisco Bay(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California San Mateo

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 003S 005W 05 California

Comments on the location information

  • UTM EST. LOCATION EST. FROM REFERENCE. LAND UNSURVEYED FOR TOWNSHIP, RANGE AND SECTION.

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
    Stratigraphic age (youngest) Late Jurassic

Nearby scientific data

(1) -122.43827, 37.7024
ListMap

Economic information

Economic information about the deposit and operations

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

Comments on the workings information

  • SOME SMALL DEVELOPMENT WORK DONE

Comments on development

  • ECON.COM: NONE OF VEINS HAVE SUFFICENT EXTENT OR RICHNESS TO BE OF ECONOMIC IMPORTANCE

Reference information

Bibliographic references

  • Deposit

    DAVIS, F. F., 1955, MINES & MINERAL RESOURCES OF SAN MATEO COUNTY, CALIF.: CALIF. JOUR. MINES AND GEOLOGY V. 51, NO. 4, P. 412

General comments

Subject category Comment text
Deposit PART OF THE SAN BRUNO MTN GROUP. NO OTHER INFORMATION AVAILABLE ; INFO.SRC : 1 PUB LIT
Deposit STRINGERS IN FRANCISCAN FM. HOST ROCK. COMMONLY OCCUR IN FRACTURES

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1980 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.

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.