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Alabaster Cave

Past Producer in El Dorado 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. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Ownership information
  12. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10102834
MRDS ID M007308
Record type Site
Current site name Alabaster Cave

Geographic coordinates

Geographic coordinates: -121.07659, 38.81183 (WGS84)
Elevation 244
Relative position 1 MI. E. OF RATTLESNAKE BRIDGE.

Site location context

Political divisions (FIPS codes)

El Dorado(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Pilot Hill(quadrangle 1:24,000 scale)

Sacramento(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

North Fork American(hydrologic unit)

Lower Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California El Dorado

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 011N 008E 10,15 California

Commodities

Commodity Importance
Copper Primary
Gold Secondary
Silver Secondary

Analytical data

Result 3 - 4 % CU., SOME GOLD AND SILVER

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) -121.07659, 38.81183
ListMap

Economic information

Ore body information

  • Strike N
    Dip E

Comments on the geologic information

  • GEOL.DESC: LIMESTONE HANGING WALL AND SLATE FOOTWALL

Economic information about the deposit and operations

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

Ownership information

  • Type Owner
    Owner U.S. Government

Comments on the production information

  • ACTIVE PRIOR TO 1902. NO PRODUCTION REPORTED.

Workings at the site

  • Type of workings Underground
    Length 161.54M

Comments on the workings information

  • A 300 FT. AND TWO 50 FT. SHAFTS; A 100 FT. AND 30 FT. ADIT.

Reference information

Bibliographic references

  • Deposit

    CLARK, W. B. AND CARLSON, D. W., 1956 : MINES AND MINERAL RESOURCES, EL DORADO COUNTY, CA: CALIF. JOUR. MINES AND GEOLOGY VOL. 52 , NO. 4 : DIV. OF MINES, P. 477

General comments

Subject category Comment text
Deposit MINE SYMBOL ON TOPO MAP IN 15, BUT CLOSE TO LINE WITH 10 V. 52, NO. 4, PL. 10 SHOWS 15 ONLY. AREA NOW WITHDRAWN FOR FEDERAL RESERVOIR SITE. COMPRISED OF 180 ACRES.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1972 Gere, W. U.S. Geological Survey
Updater 01-DEC-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.