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  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Union Gulch

Unknown in Marin county in California, United States with commodities Copper, Gold, 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. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Mineral rights holdings
  10. Land status
  11. Links to other databases
  12. Bibliographic references
  13. Reporter information

Geologic information

Identification information

Deposit ID 10187864
MRDS ID M009226
MAS/MILS ID 0060410080
Record type Site
Current site name Union Gulch
Alternate or previous names Bolinas, Chetco
Related records 10030803

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -122.73246, 37.97159 (WGS84)
Elevation 122
Location accuracy 5000(meters)

Site location context

Political divisions (FIPS codes)

Marin(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Bolinas(quadrangle 1:24,000 scale)

San Francisco(quadrangle 1:100,000 scale)

San Francisco(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Tomales-Drake Bays(hydrologic unit)

San Francisco Bay(hydrologic accounting unit)

San Francisco Bay(hydrologic subregion)

California(hydrologic region)

Federal lands

Point Reyes National Seashore(National Seashore)

National Seashore NPS(Type of land area)

NPS(Federal land areas administered by NPS)

Geographic areas

Country State County
United States California Marin

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 002 N 008 W 34 California

Commodities

Commodity Importance
Copper Primary
Gold Tertiary
Silver Tertiary

Nearby scientific data

Ore Body (1) -122.73246, 37.97159
ListMap

Economic information

Economic information about the deposit and operations

Commodity type Metallic
Deposit size Small
Significant No

Mineral rights holdings

Type of mineral rights Unknown

Land status

Ownership category Unknown

Reference information

Bibliographic references

  • Deposit

    USGS CRIB LIST NOV. 4, 1981.

Reporter information

Type Date Name Affiliation Comment
Reporter 04-NOV-1983 Western Field Operations Center (WFOC) U.S. Bureau of Mines

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.