Mine detail: Mary Lou No. 1of Black Wonder

Previously called 'Park Group,Black Bolt'

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Location

Lat / long: 37.39882, -121.42682

Resource(M)

Tertiary: Iron, Manganese, Silica
Other material: Chert, Psilomelane, Pyrolusite, Quartz
Discovery year: 1941

Production

Operation type: Surface
Development status: Prospect

Geology

References

MRDSM020274
MAS60990019
DEP10287106
Reference{Deposit:: TRASK GEO DESCRIPT MN DEPS OF CAL-CAL.DIV.OF MINES BUL.152 A}{Deposit:: VOLIN-INVESTIG BLK WONDER MN DEPS-USBM RPT.OF INVEST 5254 SE}{Deposit:: JENKINS-MN IN CALIF-CAL.DIV.OF MINES BUL.125 DEC 1943}
ReporterNiemi