Oregon · Grant County
Past Producer

Keystone

Grant County, Oregon, United States
LeadZincSilverCopperGold
⌖ Show on mapUSGS source ↗
Commodities
PrimaryLead, Zinc, Silver, Copper, Gold
Commodity typeM
Deposit
Deposit typeVein
Deposit sizeY
Materials
Ore mineralsChalcopyrite, Galena, Pyrite, Pyrrhotite, Sphalerite
GangueCalcite, Quartz
Geology
Host rockHornblendite
Economic & production
Development statusPast Producer
Identification
Deposit ID10098328
MRDS IDM014989
RegionNA
Data scoreB
Coordinates44.54846, -118.70384
References
BROOKS, H. C., AND RAMP, L., 1968 , GOLD AND SILVER IN OREGON: ODGMI BULL. 61 , P. 152 .OREGON METAL MINES HANDBOOK,1941 , ODGMI BULL. 14 - B, P. 119 .JOHNSON, F.R., 1975, GEOLOGY OF THE QUARTZBURG MINING DISTRICT, GRANT COUNTY, OREGON; OREGON STATE UNIV. MS. THESIS, P.91