Commodities
PrimaryCopper, Gold, Silver
TertiaryBarium-Barite
Commodity typeB
Deposit
Deposit sizeS
WorkingsUnderground
Orebody formLOZENGE
Ore controlE-W Trending Shear Zone
Materials
Ore mineralsChalcopyrite, Chrysocolla, Gold, Malachite, Pyrite
GangueAnkerite, Calcite, Chalcedony
Geology
Host rockKeratophyre · Clover Creek Greenstone;Clover Creek Greenstone;Clover Creek Greenstone;Clover Creek Greenstone;Clover Creek Greenstone;Clover Creek Greenstone;Clover Creek Greenstone
Associated rockDiorite
StructureNe Trending Blue Mountains Uplift, Fault Terminates Ore Body On South And With Depth: Strike N 70 Deg W, Dip Steeply S
Tectonic settingGeosyncline
AlterationMost Of The Material Is Silicified; Feldspars Are Sericitized
Economic & production
Development statusPast Producer
Production years1935-1938
First production1935
Discovery year1900
Identification
Deposit ID10069095
MRDS IDW002485
Alternate namesPoorman, Balm Creek Mines
RegionNA
Data scoreB
Coordinates44.9168, -117.47463
References
GILLULLY, J., 1933, COPPER DEPOSITS NEAR KEATING, OREGON: U.S.G.S. BULLETIN 830-A, 64 P.BROOKS, H. C., AND RAMP, L., 1968, GOLD AND SILVER IN OREGON: ORE. DEPT. GEOL. AND MIN. IND. BULL. 61, P. 93, 98-99HULL, D., 1976, POORMAN AND BALM CREEK MINES: OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES SUMMARY REPORT.BROOKS AND RAMP, 1968, P. 99