Commodities
PrimaryCopper
SecondaryBismuth, Gold, Silver
Commodity typeM
Deposit
Deposit typeContact Metasomatic
Deposit sizeS
WorkingsUnderground
Orebody formIRREGULAR PODS, CHIMNEYS
Ore controlFracture Fillings; Contact Of Limestone And Quartz Porphyry.
Materials
Ore mineralsBornite, Chalcopyrite
GangueActinolite, Bismuth, Epidote, Pyrite, Quartz, Tremolite
Geology
Host rockSkarn (Tactite),Limestone · Cuddy Mountain Limestone
Associated rockVolcanic Rock (Aphanitic)
StructureDomes And Folds; Faults And Steeply Tilted Beds
Tectonic settingIsland Arc
AlterationPyritization
Economic & production
Development statusPast Producer
Identification
Deposit ID10070239
MRDS IDW013003
Alternate namesHeld Mine
RegionNA
Data scoreB
Coordinates44.7631, -116.79222
References
BELL, R. N., 1904, REPORT OF THE MINING DISTRICTS OF IDAHO FOR THE YEAR 1903, P. 139 - 140.LIVINGSTON, D. C., 1925, RECON. OF MINERAL AND CUDDY MOUNTAIN DISTRICTS: IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 13, P. 15 - 16.FANKHAUSER, R. E., 1969, GEOLOGY AND MINERALIZATION OF THE SOUTHERN CUDDY MOUNTAINS, WASHINGTON COUNTY, IDAHO: CORVALLIS, OREGON STATE UNIV., MS THESIS, 138 P.BRUCE, W. R., 1971, GEOLOGY, MINERAL DEPOSITS, AND ALTERATION OF PARTS OF THE CUDDY MTN. DIST., WESTERN IDAHO: CORVALLIS, OREGON STATE UNIV., PH.D. THESIS, 165 P.5) BELL, R.N., 1907 , EIGHTH ANNUAL REPORT OF THE MINING INDUSTRY OF IDAHO FOR THE YEAR 1906 , 172 P.1904 COMPILE ANN. REPT. OF IDAHO MINING INDUSTRY FOR 19031907 COMPILE ANN. REPT. OF IDAHO MINING INDUSTRY FOR 19061925 RECON IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 13SEVENTH ANNUAL REPORT MINING INDUSTRY OF IDAHO PG.139-142EIGHTH ANNUAL REPORT MINING INDUSTRY OF IDAHO.PG 168-172NINTH ANNUAL REPORT MINING INDUSTRY OF IDAHO PG 207- 210