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

Holmes

Occurrence in Calaveras county in California, United States with commodities Copper, Lead, Zinc, Silver, Gold
Map
XML
JSON
KML
C
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. Bibliographic references
  15. Reporter information

Geologic information

Identification information

Deposit ID 10028587
MRDS ID M005640
Record type Site
Current site name Holmes
Related records 10211029

Geographic coordinates

Geographic coordinates: -120.84491, 38.22241 (WGS84)
Relative position ON RIDGE S OF CAMPO SECO

Site location context

Political divisions (FIPS codes)

Calaveras(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Valley Springs(quadrangle 1:24,000 scale)

San Andreas(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

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 010E 02 California

Commodities

Commodity Importance
Copper Primary
Lead Primary
Zinc Critical Primary
Silver Primary
Gold Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Pyrite Ore
Sphalerite Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Schist

Nearby scientific data

(1) -120.84491, 38.22241
ListMap

Economic information

Ore body information

  • Strike E - W
    Dip 75 S

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Comments on the production information

  • LONG IDLE. 365' TUNNEL

Workings at the site

  • Type of workings Underground
    Length 111.25M

Comments on the workings information

  • ONE DRIFT ADIT ON VEIN.

Reference information

Bibliographic references

  • Deposit

    TUCKER, W.B., 1914 , CALAVERAS COUNTY; 14TH REPT. STATE MINERALOGIST; CALIF. MIN. BUR., P. 57

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1972 Gere, W. U.S. Geological Survey
Updater 01-JUN-1978 Fraticelli, L. A. (Albers, J.) 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.