Bonanza

Past Producer in Calaveras county in California, United States with commodity Gold
Warning: This record lacks important information: bibliographic references, which we consider necessary for a comprehensive report.
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. Ore body information
  11. Economic information about the deposit and operations
  12. Workings at the site
  13. Links to other databases
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10102741
MRDS ID M006572
Record type Site
Current site name Bonanza

Geographic coordinates

Geographic coordinates: -120.58712, 38.20519 (WGS84)
Elevation 610
Relative position 5 MI E OF SAN ANDRES

Site location context

Political divisions (FIPS codes)

Calaveras(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Calaveritas(quadrangle 1:24,000 scale)

San Andreas(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Calaveras(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Calaveras

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 004N 013E 18 California

Comments on the location information

  • UTM ACC NE 1/4 OF NW 1/4 SEC

Commodities

Commodity Importance
Gold Primary

Comments on the commodity information

  • FREE MILLING ORE

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate

Nearby scientific data

(1) -120.58712, 38.20519

Economic information

Ore body information

  • Strike NW
    Dip NE
    Thickness 3.05M
    Depth to top 0M

Economic information about the deposit and operations

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

Comments on the production information

  • NO PRODUCTION RECORD FOUND, ACTIVE 1898 , FREE MILLING

Workings at the site

  • Type of workings Surface/Underground
    Overall depth 17.07M
    Overall length 22.86M

Comments on the workings information

  • DEVELOPED BY 56 FT SHAFT AND 204 FT ADIT, A 56 FT DRIFT AND A 75 FT OPEN CUT

Reference information

General comments

Subject category Comment text
Deposit VEINS, TWO VEINS

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1979 Mateik, R.; Albers, John P. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Authoritative California resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.