Mine detail: Willoughby

Previously called 'Gold Basis'

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Location

Lat / long:

39.65599, -120.69964

Resource(M)

Primary:	Gold
Tertiary:	Lead
Ore:	Galena, Gold, Pyrite
Gangue:	Quartz

Production

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

Geology

Host type:

Slate

References

MRDS	X025566
DEP	10086587
Reference	{Deposit:: AVERILL, C. V., 1942 , MINES AND MINERAL RESOURCES OF SIERRA CO.: CDM CALIF. JOUR. MINES AND GEOL., VOL. 38 , NO. 1 , P. 67 .}{Deposit:: LOGAN, C. A., 1929 , SIERRA CO.: CDMM 25TH REPORT STATE MINERALOGIST, APRIL, P. 173 , 183 .}{Deposit:: MACBOYLE, E., 1920 , MINES AND MINERAL RESOURCES SIERRA CO.: CSMB 16TH REPORT STATE MINERALOGIST, DEC. 1918 , P. 132 , 133 .}{Production:: MACBOYLE, 1920}
Reporter	Hayden, F. (Albers, J.)