Mine detail: Pine Ridge

Previously called ''

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Location

Lat / long:

37.20409, -121.56574

Resource(M)

Primary:	Manganese
Ore:	Psilomelane

Production

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

Geology

Host rock:	Franciscan Complex
Host type:	Chert

References

MRDS	W025102
DEP	10077455
Reference	{Deposit:: CALIF. JOUR. MINES AND GEO., V. 50 , NO. 2 , APR. 1954 , P. 415}{Deposit:: D.O.M. BULL. 152 1950 PP. 258 - 262}{Deposit:: CDMG BASIN PLANNING AREA 3 ( 1972 )}
Reporter	Killman, K.; Albers, J., Mosier, Dan, Oland, G. P. (Orris, Greta J.), Mason, George