Commodities
PrimarySilver, Gold
TertiaryTellurium
Commodity typeM
Deposit
Deposit sizeS
Orebody formTABULAR
Ore controlFissured Zone
Materials
Ore mineralsCerargyrite, Gold
GangueAlunite, Limonite, Quartz
Geology
Host rockAndesite
Associated rockAndesite · Milltown Andesite
AlterationSilicification, Alunitization
Economic & production
Development statusPast Producer
Identification
Deposit ID10104102
MRDS IDM241908
Alternate namesJumbo Extension Mining Co. Ground
RegionNA
Data scoreB
Coordinates37.74467, -117.18813
References
RANSOME, F.L., 1909, USGS PP 66, P. 110, P. 250.NBMG REPORT 19, P. 65-66RANSOME, F.L., 1909, USGS PP 66 P. 250.