Mine detail: Log Spring Mine

Previously called ''

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Location

Lat / long:

37.39245, -117.6512

Resource(N)

Primary:	Talc-Soapstone
Secondary:	Clay
Ore:	Talc
Gangue:	Calcite, Mica
Orebody form:	LENTICULAR TO IRREGULAR
Other material:	Chlorite
Discovery year:	1940

Production

Operation type:	Unknown
Deposit type:	Replacement
Production size:	Small
Development status:	Past Producer
First production started:	1956
Last production ended:	1972

Geology

Host rock:	Reed Dolomite
Host type:	Dolomite
Associated type:	Diorite,Tuff
Structure:	Faults
Alteration processes:	Quartz Diorite Dikes Partly Altered To Chlorite, Calcite And Mica

References

MRDS	M242072
DEP	10104113
Reference	{Deposit:: PAPKE, K.G., 1975, NBMG BULL 84, P. 50-52}{Production:: PAPKE, K.G., 1975, P. 50.}
Reporter	La Pointe, D.D. (Tingley, J.V.)