Mine detail: Sutro

Previously called ''

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Location

Lat / long:

40.78124, -122.46443

Resource(M)

Primary:	Copper
Secondary:	Silver, Gold
Ore:	Chalcopyrite, Pyrite
Orebody form:	LENTICULAR

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
Production years:	1913 - 1918 , 1923 - 1925

Geology

Host type:	Rhyolite
Associated type:	Rhyolite
Structure:	Faults - Not Seen At Surface, Poor Outcrops And No Lithologic Offsets In Uniform Upper Unit Of Balakalala Rhyolite Over Ore Body.
Alteration processes:	Pyritization

References

MRDS	W025255
DEP	10077554
Reference	{Deposit:: KINKEL, A. R., HALL, W. E., AND ALBERS, J. P., 1956 , GEOLOGY AND BASE-METAL DEPOSITS OF WEST SHASTA COPPER-ZINC DISTRICT SHASTA COUNTY, CALIF., GEOLOGICAL SURVEY PROFESSIONAL PAPER 285 , PG. 149 - 151 .}{Deposit:: LYDON, P.A., *RIEN, J.C., 1974 , MINES AND MINERAL RESOURCES OF SHASTA COUNTY, CALIF., COUNTY REPORT 6, CALIF. DIV. MINES AND GEOLOGY, PG. 109}{Production:: KINKEL ET AL, 1956 PG. 150 (SEE REF.)}
Reporter	Fraticelli, L. A. (Albers, J.)