Commodities
PrimarySilver, Copper
Commodity typeM
Deposit
Model85: Polymetallic veins
Deposit sizeN
WorkingsSurface/Underground
Orebody formVEINLETS
Ore controlContact Of Volcanic Rocks And Intrusion
Materials
Ore mineralsBornite, Chalcocite, Chalcopyrite
GangueCalcite, Quartz
Geology
Host rockDiorite · Index Batholith;
StructureIntense Fracturing
Tectonic settingCascade Volcanic Arc
AlterationPotassic (Biotite). Volcanic Rocks Intensely Pyritized And Hornfelsed. Intrusion Is Pyritized.
Economic & production
Development statusOccurrence
Identification
Deposit ID10095361
MRDS IDM025915
Alternate namesIndex
RegionNA
Data scoreB
Coordinates47.81675, -121.49815
References
HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 86.GRANT, A.R., 1976, REPORT OF EVALUATION, MINERAL RESOURCE ANALYSIS STUDY ON UNITED STATES FOREST SERVICE LAND, STATE OF WASHINGTON: PREPARED FOR U.S. FOREST SERVICE - REGION 6, CONTRACT NO. 004724N, P. 47.BROUGHTON, W.A., 1942, INVENTORY OF MINERAL PROPERTIES IN SNOHOMISH COUNTY, WASHINGTON: WASHINGTON DIVISION OF MINES AND GEOLOGY REPORT OF INVESTIGATIONS 6, P. 17.