Mine detail: Blue Moon

Previously called 'Blue CloudRed CloudPercupine'

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Location

Lat / long:

37.56603, -120.25655

Resource(M)

Primary:	Zinc, Copper
Secondary:	Lead, Gold, Silver
Ore:	Chalcocite, Chalcopyrite, Galena, Malachite, Pyrite, Sphalerite, Tetrahedrite
Gangue:	Barite, Calcite, Hematite, Limonite, Quartz, Sericite
Orebody form:	TABULAR
Discovery year:	1935

Production

Operation type:	Unknown
Deposit type:	Replacement
Production size:	Small
Development status:	Past Producer
Production years:	1935, 1944 - 1945
First production started:	1935
Last production ended:	1945

Geology

Host type:	Greenstone,Schist
Associated type:	Slate,Quartzite,Arkose
Tectonic:	Island Arc
Alteration processes:	Silicification, Sericitization, Pyritization, Chloritization. 2500 Ft Long, 800 Ft Wide.

References

MRDS	M009395
DEP	10102860
Reference	{Deposit:: BOWEN, O. E. AND CLIFFTON, G. H., 1957 , MINES AND MINERAL RESOURCES OF MARIPOSA COUNTY, CALIFORNIA; CALIF. JOUR. MINES AND GEOLOGY, VOL. 53 , NO. 1 & 2 , P. 200 - 202 .}{Deposit:: ERIC, J. H. AND COX, M. W., 1948 , ZINC DEPOSITS OF THE AMERICAN EAGLE - BLUE MOON AREA, MARIPOSA COUNTY, CALIFORNIA; COPPER IN CALIFORNIA BULL. 144 ; DIV. OF MINES, P. 144 - 150 .}{Deposit:: CALIF. JOUR. MINES & GEOLOGY, V. 53, NOS.3 & 4, P. 547; ADD. REF.: DMPA APP * 2162 - SIERRA ZINC INC. - REPORTED MAY, 1952 BY WEHELT - DMEA INDEX -CALIF. NEV. P. 9}{Production:: ERIC, J. H., AND COX, M. W., 1948 , P. 145 (SEE REF.)}
Reporter	Gere, W., Fraticelli, L. A. (Albers, J.)