Mine detail: Sierra Iron Mine

Previously called 'Lake Hawley and Spencer Lake Deposit'

<< Back to the map

Location

Lat / long:

39.69766, -120.7152

Resource(M)

Primary:	Iron
Ore:	Magnetite
Gangue:	Calcite, Talc
Orebody form:	IRREGULAR TO LENTICULAR

Production

Operation type:	Unknown
Deposit type:	Contact Metasomatic
Production size:	None
Development status:	Past Producer

Geology

Associated type:	Quartz Monzonite
Structure:	Folds And Faults
Alteration processes:	Dynamothermally Metamorphosed

References

MRDS	M024297
DEP	10098348
Reference	{Deposit:: DURRELL, C. AND PROCTOR, P.D., 1948; IRON-ORE DEPOSITS NEAR LAKE HAWLEY AND SPENCER LAKES, SIERRA COUNTY, CALIFORNIA, CA. DIV. OF MINES BULL. 129, P. 167-192}{Reserve-Resource:: DURRELL AND PROCTOR, 1948}
Reporter	Fraticelli, L. A. (Albers, J.)