Mine detail: Pyramid

Previously called 'Gold Reserve'

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Location

Lat / long:

38.72601, -120.94185

Resource(M)

Primary:	Gold
Tertiary:	Copper, Lead
Ore:	Chalcopyrite, Galena, Gold
Gangue:	Ankerite, Quartz

Production

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

Geology

Host type:

Diorite

References

MRDS	C007403
DEP	10006834
Reference	{Deposit:: CLARK, W. B., AND CARLSON, D. W., 1956 , MINES AND MINERAL RESOURCES OF EL DORADO CO., CALIF.: CALIF. JOUR. OF MINES AND GEOL., VOL. 52 , NO. 4 , PG. 423 .}{Deposit:: LOGAN, C. A., 1938 , MIN. RESOURCES OF EL DORADO CO.: CALIF. JOUR. OF MINES AND GEOL., VOL. 34 , NO. 3 , PL. II .}{Deposit:: CRAWFORD, J. J., 1892 , EL DORADO COUNTY: CALIF. MIN. BUR. 12TH REPT. STATE MINERALOGIST, P. 121 .}{Production:: CLARK AND CARLSON, 1956}
Reporter	Hayden, F. (Albers, J.), Mosier, Dan