Commodities
TertiaryCopper, Iron
Commodity typeM
Deposit
Deposit typeReplacement
Deposit sizeN
Orebody formPODS OR LENSES
Ore controlMetamorphic Rock - Granite Contact
Materials
Ore mineralsHematite, Malachite, Specularite
GangueCalcite, Garnet, Jasper, Quartz
Geology
Host rockGreenstone,Skarn (Tactite) · Seven Devils Group-Tactite
Associated rockDiorite,Greenstone · Quartz Diorite;Andesite;Basalt Dike;Seven Devils Group-Greenstones
StructureHigh - Angle Faulting With Westward Tilting Of The Fault Blocks., Andesite Flows Are In Fault Contact With Greenstone.
Tectonic settingIsland Arc
Economic & production
Development statusProspect
Discovery year1897
Identification
Deposit ID10090086
MRDS IDW013011
Alternate namesSiegwein
RegionNA
Data scoreB
Coordinates44.55126, -117.031
References
BELL, R. N., 1918, NINETEENTH ANNUAL REPORT OF THE MINING INDUSTRY OF IDAHO FOR 1917, P. 98.MACKIN, J. H., 1953, IRON ORE DEPOSITS OF THE IRON MOUNTAIN DISTRICT, IDAHO: U.S. GEOLOGICAL SURVEY BULL. 982 - E, 30 P.MACKIN, J.H., 1947 , IRON ORE DEPOSITS OF THE IRON MOUNTAIN DISTRICT, WASHINGTON COUNTY, IDAHO: USGS OPEN-FILE REPT., 23 P.1918 COMPILE 19TH ANN. REPT. OF THE MINING INDUSTRY FOR 19171947 RECON MACKIN, J.H., 1947 , OPEN-FILE REPT.1953 GEOLMAP MACKIN, J.H., 1953 , BULL. 982-E