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California · El Dorado County

Alabaster Cave

Unconfirmed Copper Underground

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Key facts

State
California
County
El Dorado
Development status
Past Producer
Mine type
Underground
Primary commodity
Copper
Verification
Unconfirmed

Mine Location

Approximate Area

Open in Mine Map

Documented underground workings

Mindat locality description

A former Cu-Au-Ag mine located in secs. 10 & 15, T11N, R8E, MDM, 1.6 km (1.0 mile) E of Goose Flat (coordinates of record) (1 mile E of Rattlesnake Bridge), on federal land. Property was comprised of 180 acres. Operated prior to 1902. MRDS database sta…

View full locality record on Mindat

View individual source records (2)

Every underlying record used to build the summary above, for research/verification use.

  • USGS MRDS working type: Underground
  • MRDS work_type documents underground workings: Underground · work_type

Verification

Unconfirmed

Source records support underground workings, but UndergroundMines has not yet independently verified this mine.

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Why it's listed

USGS source data documents underground workings for this record.

View sources & evidence

History & operations

Historical record

  • Development status: Past Producer

Operators / organizations

  • U.S. Government · Source-reported owner

Commodities & minerals

Reported minerals

  • Azurite
  • Bornite
  • Calcite
  • Chalcopyrite
  • Malachite

Access & recent conditions

Land
unknown

Community reports

No community field reports yet.

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Sources & evidence

USGS Mineral Resources Data System

Type: Historical mine record

Supports:

  • mine identity
  • development status
  • commodities
  • underground eligibility evidence

Mindat

Type: Mineralogical locality database

Record: Mindat Locality: 77262

Supports:

  • locality identity
  • reported minerals (5)

A Mindat locality match does not by itself establish underground workings.

View on Mindat

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Historical mapped workings available