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Mine detail: Murmac Group
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North America
United States
California
Santa Clara
Previously called 'Patterson,Chicago Claims'
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Location
Lat / long:
37.39272, -121.43912
Resource(M)
Tertiary:
Manganese, Silica
Other material:
Chert, Psilomelane, Pyrolusite, Quartz
Discovery year:
1940
Production
Operation type:
Surface-Underground
Development status:
Past Producer
First production started:
1941
Geology
References
MAS
60850029
DEP
10116720
Reference
{Deposit:: CDMG,BULL.152,1950 (TRASK,ET.AL.)}{Deposit:: TRENGROVE,RR.,1960,USBM.R.I.5579,}{Deposit:: VOLIN,TRENGROVE,MATSON,1956,USBM R.I.5254.}
Reporter
Deino, Al