Commodities
PrimaryCopper
TertiaryTungsten, Zinc, Silver
Commodity typeM
Deposit
Model85: Polymetallic veins
Deposit sizeN
WorkingsUnderground
Orebody formVEIN
Ore controlNear-Vertical Fractures
Materials
Ore mineralsBornite, Chalcopyrite, Chrysocolla, Malachite, Scheelite, Sphalerite
Other materialsPyrite
Geology
Host rockQuartzite · Eastern Melange Belt;Eastern Melange Belt
Associated rockDiorite · Index Batholith
StructureWnw Trending Fractures.
Tectonic settingCascade Volcanic Arc
Economic & production
Development statusOccurrence
Discovery year1895
Identification
Deposit ID10095655
MRDS IDM060139
Alternate namesBlackman, Brown
RegionNA
Data scoreC
Coordinates47.95064, -121.49454
References
CARITHERS, WARD, AND GUARD, A.K. 1945, GEOLOGY AND ORE DEPOSITS OF THE SULTANS BASIN, SNOHOMISH COUNTY, WASHINGTON: WASH. DIV. MINES AND GEOL. BULL. 36, P. 60-62HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION MINES AND GEOLOGY BULL. 37, V. 1, P.82GRANT, 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. 39.TABOR, R.W., FRIZZELL, V.A., JR., BOOTH, D.B., WHETTEN, J.T., WAITT, R.B., JR., AND ZARTMAN, R.E., 1982, PRELIMINARY GEOLOGIC MAP OF THE SKYKOMISH RIVER 1:100,000 QUADRANGLE, WASHINGTON: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 82-747, SCALE 1:100,000.1943 GEOLMAP WASHINGTON DIV. MINES AND GEOLOG