Commodities
PrimaryGold, Silver
TertiaryTellurium, Bismuth
Commodity typeM
Deposit
Deposit sizeS
WorkingsUnknown
Orebody formLENS, BRANCHING VEINS
Ore controlFractures Formed By East-West Shearing
Materials
Ore mineralsGold, Pyrite
GangueCalcite, Epidote, Quartz
Geology
Host rockGreenstone · Rogue;Dothan
Associated rockDiorite
AlterationPropylitization?
Economic & production
Development statusProducer
Production years1924-1942
Identification
Deposit ID10042760
MRDS IDM060756
Alternate namesRobertson, Progressive
RegionNA
Data scoreB
Coordinates42.55426, -123.72366
References
RAMP, L. AND PETERSON, N.V., 1979, GEOLOGY AND MINERAL RESOURCES OF JOSEPHINE COUNTY, OREGON; ODGMI BULL. 100, 45 PBROOKS, H.C. AND RAMP, L., 1968, GOLD AND SILVER IN OREGON, ODGMI BULL. 61, P. 206SHENNON, P.J., 1933, GEOLOGY OF THE ROBERTSON, HUMDIGER AND ROBERT E. GOLD MINES, SOUTHWESTERN OREGON; USGS BULL. 830-B, P. 40USBM