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

Defiance Group

Occurrence in Nevada 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 10115798
MAS/MILS ID 0060570636
Record type Site
Current site name Defiance Group
Alternate or previous names Last Chance

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -120.97824, 39.41238 (WGS84)
Elevation 671
Location accuracy 500(meters)

Site location context

Political divisions (FIPS codes)

Nevada(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Pike(quadrangle 1:24,000 scale)

Truckee(quadrangle 1:100,000 scale)

Chico(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Yuba(hydrologic unit)

Lower Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Federal lands

Tahoe National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States California Nevada

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 018 N 009 E 21 W2 California

Commodities

Commodity Importance
Gold Primary

Nearby scientific data

Main Entrance (1) -120.97824, 39.41238
ListMap

Economic information

Economic information about the deposit and operations

Operation type Underground
Development status Occurrence
Commodity type Metallic
Significant No

Land status

Ownership category Unknown

Reference information

Bibliographic references

  • Deposit

    CALIF V 37, NO 3, JULY 1941, PAGE 449, PL. 3

  • Deposit

    ALSO IN E 1/2 SECTION 20; COMPRISES 5 QUARTZ CLAIMS: WEST DE

  • Deposit

    DEFIANCE, EXT. OF DEFIANCE, EXCELSIOR EXT. LODES; LODES; 60

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.