Commodities
PrimaryIron
TertiaryCopper, Silver
Commodity typeM
Deposit
Deposit typeReplacement
Deposit sizeS
Orebody formPODS AND STRINGERS
Ore controlContact Of Marble And Greenstone.
Materials
Ore mineralsChalcopyrite, Hematite, Magnetite
GangueLimonite, Pyrite, Quartz
Geology
Host rockGreenstone · Martin Bridge Formation-Marble
Associated rockDiorite,Greenstone · Columbia River Basalt;Granodiorite Or Granite;Seven Devils Group-Greenstone
StructureHigh-Angle Faulting And Westward Tilting Of The Fault Blocks.
Tectonic settingIsland Arc
AlterationLeaching Of Sulfides Gives Limonite - Filled Cavities
Economic & production
Development statusPast Producer
Discovery year1897
Identification
Deposit ID10070223
MRDS IDW012978
Alternate namesBarton, W.J. Bryan, Siegwein Claims, Campbell Deposit, Last Chance
RegionNA
Data scoreB
Coordinates44.55757, -117.01581
References
ASHER, R. R., 1964, MINERAL RESOURCES - IRON: IDAHO BUREAU OF MINES AND GEOLOGY SPECIAL REPORT NO. 1, P. 104 - 111.MACKIN, J. H., 1953, IRON - ORE DEPOSITS OF THE IRON MTN. DIST., U.S. GEOLOGICAL SURVEY BULL. 982 - E, P. 53 - 73BELL, R. N., 1918, NINETEENTH ANNUAL REPORT OF THE MINING INDUSTRY OF IDAHO FOR THE YEAR 1917, P. 98.MACKIN, J.H., 1947 , IRON ORE DEPOSITS OF THE IRON MOUNTAIN DISTRICT, WASHINGTON COUNTY, IDAHO: USGS OPEN-FILE REPT., 23 P.5) SHANNON, E. V., 1926 , MINERALS OF IDAHO: US NATIONAL MUSEUM BULL. 131 , P. 196 .1918 COMPILE 19TH ANN. REPT. MINING INDUSTRY1926 COMPILE US NATL MUS BULL 1311947 RECON MACKIN, J.H., OPEN-FILE REPT.1953 GEOLMAP MACKIN, J.H., BULL. 982-E1964 COMPILE IDAHO BUR MINES AND GEOLOGY SPEC REPT NO 1