Mine detail: Cosumnes

Previously called 'Middle EndMelton'

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Location

Lat / long:

38.66462, -120.53462

Resource(M)

Primary:	Gold
Secondary:	Silver, Lead
Tertiary:	Copper, Zinc, Antimony
Ore:	Chalcopyrite, Galena, Gold, Pyrite, Sphalerite, Stibnite
Gangue:	Quartz

Production

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

Geology

Host type:	Diorite
Associated type:	Diorite

References

MRDS	C008510
DEP	10101158
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. 413 , 494 AND PL. 10 .}{Deposit:: GOODWIN, J. G., 1957 , LEAD AND ZINC IN CALIF.: CALIF. DIV. MINES. VOL. 53 , NO. 3 & 4 , P. 441 .}{Deposit:: LOGAN, C. A., 1938 , MIN. RESOURCES OF EL DORADO CO.: CALIF. JOUR. OF MINES AND GEOL., VOL. 34 , NO. 3 , PL. II.}{Production:: GOODWIN ( 1957 )}
Reporter	Mateik, R.; Albers, J.