Mine detail: Black Wonder Sec.28 Group.

Previously called 'Black Eagle,May Be,Cottonwd.ClamsTriple Jump Claim'

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Location

Lat / long: 37.38162, -121.43132

Resource(M)

Tertiary: Manganese, Silica
Other material: Chert, Psilomelane, Quartz, Rhodochrosite
Discovery year: 1940

Production

Operation type: Surface
Development status: Past Producer
First production started: 1941

Geology

References

MRDSM020203
MAS60850007
DEP10287050
Reference{Deposit:: TRASK-GEO DESCRIPTION CAL MN DEPS-CAL.DIV.OF MINES BUL.152 A}{Deposit:: JENKINS-MN IN CALIF-CAL DIV.OF MINES BUL.125,DEC 1943}{Deposit:: VOLIN-INVESTIG BLK WONDER MN DEPS-USBM.RPT.OF INVEST.5254 SE}
ReporterNiemi