California · Alameda County

Mendenhall No. 1

Unconfirmed Iron Mixed Underground / Surface

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Key facts

State: California
County: Alameda
Development status: Past Producer
Mine type: Mixed underground / surface
Primary commodity: Iron
Verification: Unconfirmed

Also known as

Cedar Mountain Mine, Mendenhall Chrome Mines, Newman Mine, Mendenhall Mine

Mine Location

Approximate Area

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Documented underground workings

Source classification: Underground operation documented

Specific physical workings are not yet documented in discrete records.

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): Surface-Underground

MRDS oper_type documents existing underground operation (dev_stat=Past Producer): Surface-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

Source records document both underground and surface mining.

View sources & evidence

History & operations

Historical record

Development status: Past Producer

Operators / organizations

Gerard M. And Marie T. Lafon May Own portion Of Mine Area · Historical operator · 1976
Vernon E. And Dorothy Rose · Source-reported owner · 1976

Commodities & minerals

Reported minerals

Antigorite
Chlorite
Chromite
Chrysotile
Uvarovite

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

Related underground mines

Newman Mine