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California · Kern County

Soledad Mountain Deposit

Unconfirmed Silver Underground

Key facts

State
California
County
Kern
Development status
Past Producer
Mine type
Underground
Primary commodity
Silver
Verification
Unconfirmed
California DMR status
ACTIVE
Reclamation status
RECLAMATION NOT STARTED
DMR report year
2025

Also known as

  • Karma, Bobtail, Golden Queen, Queen Esther, Silver Queen, Soledad Extension, Starlight, Echo, Gray Eagle, Elephant

Mine Location

Approximate Area

Open in Mine Map

Documented underground workings

Mindat locality description

A Ag-Au-Cu-Pb-Sb deposit located in sections 5, 6, 7, 8 & 18, T10N, R12W, SBM, on and around Soledad Mountain, about 5 miles S of Mojave. It was discovered in 1894. Although this property would be mined in the future for its gold, it is dominantly a…

View full locality record on Mindat

Historical mapped workings

USGS historical topographic mapping. Features may no longer exist.

  • 78 shaft symbols
  • 104 adit symbols
View individual source records (2)

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

  • Derived from MRDS oper_type (existing operation): Underground
  • MRDS oper_type documents existing underground operation (dev_stat=Past Producer): Underground · oper_type

Verification

Unconfirmed

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

Why it's listed

USGS source data documents underground workings for this record.

View sources & evidence

History & operations

California state reporting

  • Operator: GOLDEN QUEEN MINING CO., INC.
  • Report year: 2025

Historical record

  • Development status: Past Producer

Operators / organizations

  • Golden Queen Mining Company, Ltd. · Historical operator

Commodities & minerals

Reported minerals

  • Calcite
  • Pyrite
  • Quartz
  • Argentite
  • Cerargyrite
  • Chalcopyrite
  • Galena
  • Gold
View all 10 reported minerals
  • Calcite
  • Pyrite
  • Quartz
  • Argentite
  • Cerargyrite
  • Chalcopyrite
  • Galena
  • Gold
  • Proustite
  • Stibnite

Access & recent conditions

Land
unknown

Community reports

No community field reports yet.

I Visited This Mine

Sources & evidence

USGS Mineral Resources Data System

Type: Historical mine record

Supports:

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

USGS Historical Topographic Mine Features

Type: Historical mapped physical features

Dataset: DOI 10.5066/P9TAALR6

Supports:

  • mapped shaft symbols (78)
  • mapped adit symbols (104)

Historical mapped features may no longer exist.

Dataset information

California DMR Mines Online

Type: California state mining record

Record: 91-15-0098

Supports:

  • operation status
  • reclamation information
  • reporting year
  • operation type

A DMR match does not by itself prove underground workings.

California Mines Online

Mindat

Type: Mineralogical locality database

Record: Mindat Locality: 80502

Supports:

  • locality identity

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

View on Mindat

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Documented shaft evidence