Commodities
PrimaryCopper, Nickel
TertiaryCobalt, Platinum
Commodity typeM
Deposit
Model13: Synorogenic-synvolcanic Ni-Cu
Deposit sizeN
WorkingsSurface/Underground
Orebody formDISSEMINATED, BLEBS, VEINLETS, MASSES
Ore controlStrongest Mineralization In Norite; Weakly Disseminated In Schist
Materials
Ore mineralsChalcopyrite, Pentlandite
GangueCalcite, Graphite, Zoisite
Geology
Host rockMica Schist · May Creek Schist;
Tectonic settingKlamath Mountains Accreted Terrane
AlterationSericite, Leaching On Intermediate Level, Serpentinite
Economic & production
Development statusOccurrence
Discovery year1900
Identification
Deposit ID10042983
MRDS IDM061386
Alternate namesChisholm Copper
RegionNA
Data scoreB
Coordinates42.60121, -122.97697
References
HUNDHAUSEN, R.J., 1952, INVESTIGATION OF SHAMROCK COPPER-NICKEL MINE, JACKSON COUNTY, OREGON: U.S. BUREAU OF MINES REPORT OF INVESTIGATIONS 4895, P. 1-8.SHELTON, J.E., 1956, BENEFICIATION STUDIES OF NICKELIFEROUS ORES FROM THE SHAMROCK MINE, JACKSON COUNTY, OREG., AND THE CONGRESS MINE, FERRY COUNTY, WASH.: U.S. BUREAU OF MINES REPORT OF INVESTIGATIONS 5261, P. 6-8.RAMP, LEN, 1978, INVESTIGATIONS OF NICKEL IN OREGON: OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES MISCELLANEOUS PAPER NO. 20, P. 7, 57-58.ASHLEY, R.P., AND PETERSON, J.A., 1991, U.S. GEOLOGICAL SURVEY, FIELD EXAM.FERNS, M.L., 1989, MINING ACTIVITY AND EXPLORATION IN OREGON, 1988: OREGON GEOLOGY, V. 51, NO. 2, P. 29.WILEY, T.J., AND HLADKY, F.R., 1991, GEOLOGY AND MINERAL RESOURCES MAP OF THE BOSWELL MOUNTAIN QUADRANGLE, JACKSON COUNTY, OREGON: OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES GEOLOGICAL MAP SERIES GMS-70, SCALE 1:24,000.1949 DIREXPL HUNDHAUSEN, USB