Mine detail: Allison Ranch Qtz.

Previously called ''

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Location

Lat / long:

39.18045, -121.06186

Resource(M)

Primary:	Gold
Secondary:	Lead, Copper
Ore:	Chalcopyrite, Galena, Pyrite
Gangue:	Quartz

Production

Operation type:	Unknown
Production size:	Medium
Development status:	Past Producer

Geology

Host type:

Diorite

References

MRDS	C010952
DEP	10007263
Reference	{Deposit:: LOGAN, C. A., 1941 , MINERAL RESOURCES OF NEVADA COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 37 , NO. 3 , PL. 3 , P. 381 - 382 .}{Deposit:: JOHNSTON, W. D., 1940 , THE GOLD QUARTZ VEINS OF GRASS VALLEY, CALIFORNIA: US GEOLOGICAL SURVEY PROFESSIONAL PAPER 194 , P. 82 .}{Production:: LOGAN, 1941}
Reporter	Bowman, J. And Albers, J.