Mine detail: Nancy Ann

Previously called 'Donner'

<< Back to the map

Location

Lat / long:

38.05685, -120.80073

Resource(M)

Primary:	Gold
Ore:	Gold, Pyrite
Gangue:	Quartz

Production

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

Geology

Host type:	Greenstone
Alteration processes:	Silicified

References

MRDS	M005728
DEP	10102616
Reference	{Deposit:: CLARK, W.B., & LYDON, P.A., 1962 , MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY, CALIF.: CALIF. DIV. MINES & GEOL., COUNTY REPORT 2 , P. 170 & PL B}{Deposit:: LOGAN, C.A., FRANKE, H., 1936 , MINES AND MINERAL RESOURCES OF CALAVERAS CO.: CDM CALIF. JOUR. MINES & GEOL., VOL. 32 , NO. 3 , P. 278}{Production:: CLARK, 1962}
Reporter	Hayden, F. (Albers, J.)