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California · Tulare County

Dumont Magnesite

Unconfirmed Magnesite Underground

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Key facts

State
California
County
Tulare
Development status
Past Producer
Mine type
Underground
Primary commodity
Magnesite
Verification
Unconfirmed

Also known as

  • Dumont

Mine Location

Approximate Area

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Documented underground workings

Mindat locality description

A former magnesite occurrence/mine located in sec. 10, T19S, R27E, MDM, 1.8 km (1.1 miles) SSW of Dumtah, W of Monument Hill, on private land. MRDS database stated accuracy for this location is 1,000 meters. Local rocks include pre-Cenozoic metasedi…

View full locality record on Mindat

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.

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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

Commodities & minerals

Reported minerals

  • commodity:Magnesite
  • Magnesite

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: 97293

Supports:

  • locality identity
  • reported minerals (2)

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

View on Mindat

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