California Kieselguhr Co. | UndergroundMines

Key facts

State: California
County: Monterey
Development status: Past Producer
Mine type: Underground
Primary commodity: Diatomite
Verification: Unconfirmed

Mine Location

Approximate Area

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Documented underground workings

Mindat locality description

A former diatomaceous earth mine located 7.2 km (4.5 miles) WSW of Bradley.

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.

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History & operations

Historical record

Development status: Past Producer

Commodities & minerals

Diatomite · primary

Reported minerals

Diatomite
Opal

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: 83473