Mine detail: Buchanan

Previously called 'Johnson GroupJohnston'

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Location

Lat / long:

37.18687, -119.98737

Resource(M)

Primary:	Lead, Silver, Copper
Secondary:	Zinc
Tertiary:	Gold, Cobalt
Ore:	Chalcopyrite, Galena, Sphalerite

Production

Operation type:	Unknown
Deposit type:	Vein
Production size:	Small
Development status:	Past Producer
Production years:	1806 , 1865 , 1910 - 1920

Geology

Host type:	Schist
Associated type:	Diorite

References

MRDS	W000369
DEP	10067584
Reference	{Deposit:: AUBURY, L. E., 1908 , COPPER RESOURCES OF CALIFORNIA BULL. 50 ; CALIF. MIN. BUR., P. 270 - 272 .}{Deposit:: ERIC, J. H., 1948 COPPER IN CALIFORNIA BULL. 144 ; DIV. OF MINES, P. 261}{Deposit:: LOGAN, C. A., 1950 , MINES AND MINERAL RESOURCES OF MADERA COUNTY, CA.; CA. JOUR. MINES AND GEOLOGY, VOL. 46 , NO. 4 , P. 450 .}{Deposit:: MCLAUGHLIN, R. P., 1916 , MADERA COUNTY; 14TH REPT. STATE MIN.; CALIF. MIN. BUR., P. 538 .}{Production:: 1. MCLAUGHLIN, 2. LOGAN, 3. ERIC}{Reserve-Resource:: UNPUBLISHED CO REPORT}
Reporter	Coury, Anny B., Fraticelli, L. A. (Albers, J.)