Mine detail: Murmac Group

Previously called 'Patterson,Chicago Claims'

<< Back to the map

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

MAS60850029
DEP10116720
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.}
ReporterDeino, Al