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

Chalone and Defiance Mines

Prospect in San Benito 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. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Land status
  10. Links to other databases
  11. Bibliographic references
  12. Reporter information

Geologic information

Identification information

Deposit ID 10188915
MAS/MILS ID 0060690059
Record type Site
Current site name Chalone and Defiance Mines

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -121.1752, 36.46184 (WGS84)
Elevation 610
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

San Benito(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

North Chalone Peak(quadrangle 1:24,000 scale)

Point Sur(quadrangle 1:100,000 scale)

Monterey(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Salinas(hydrologic unit)

Central California Coastal(hydrologic accounting unit)

Central California Coastal(hydrologic subregion)

California(hydrologic region)

Federal lands

Pinnacles National Park(National Park)

National Park NPS(Type of land area)

NPS(Federal land areas administered by NPS)

Geographic areas

Country State County
United States California San Benito

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 017 S 007 E 11 S2SE California

Commodities

Commodity Importance
Gold Primary

Nearby scientific data

Main Entrance (1) -121.1752, 36.46184
ListMap

Economic information

Economic information about the deposit and operations

Operation type Underground
Development status Prospect
Commodity type Metallic
Significant No

Land status

Ownership category National Monument

Reference information

Bibliographic references

  • Deposit

    CALIF. STATE MINING BUR. REPORT 15, 1919, P. 638.

  • Deposit

    CALIF. STATE MINING BUR. REPORT 22, 1926, P. 235.

  • Deposit

    CALIF. JOUR. MINES AND GEOL., V. 43, 1947, P. 266.

Reporter information

Type Date Name Affiliation Comment
Reporter 08-FEB-1991 Ridenour, James 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.