Mine detail: Black Bear Mine

Previously called ''

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Location

Lat / long:

37.39798, -121.41213

Resource(M)

Primary:	Chromium
Ore:	Chromite
Orebody form:	LENSE

Production

Operation type:	Unknown
Production size:	Small
Development status:	Producer
First production started:	1918

Geology

Host rock:	Franciscan
Host type:	Dunite
Associated type:	Dunite
Alteration processes:	Serpentinized Dunite

References

MRDS	M100176
DEP	10043421
Reference	WALKER, G.W. AND GRIGGS, A.B., 1953, GEOL. INVESTIGATIONS OF CHROMITE IN CALIF.: CALIF. DIVISION OF MINES BULLETIN 134, PART II, CHAPT. 2, P. 74, 75, 88
Reporter	Oster, Karel L. (Albers, John P.)