Mine detail: Valpariso

Previously called 'Black Metal'

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Location

Lat / long:

38.31047, -120.75407

Resource(M)

Primary:	Gold
Ore:	Gold
Gangue:	Quartz

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
Production years:	PRIOR TO 1888 UNTIL 1931 ; 1937 ; INTERMITTANTLY FROM 1937 TO 1939 .

Geology

Host type:

Slate,Greenstone

References

MRDS	M005039
DEP	10028188
Reference	{Deposit:: CARLSON, D.W. AND CLARK, W.B., 1954 , MINES AND MIN. RES. OF AMADOR COUNTY, CAL.: CJMG VOL. 50 , P. 194}{Deposit:: LOGAN, C.A., 1934 , MOTHER LODE GOLD BELT OF CAL.: CDM BULL. 108 , P. 123}{Deposit:: TUCKER, W.B., 1914 , AMADOR COUNTY: CMB REPT. 14 , P. 52}
Reporter	Gere, W., Tatkin, T.; Albers, J.