Commodities
PrimarySilver, Gold, Molybdenum, Copper
Commodity typeM
Deposit
Model53: Porphyry Cu
Deposit sizeU
Orebody formSTOCKWORK
Materials
Ore mineralsChalcopyrite, Pyrite, Pyrrhotite
Geology
Host rockDiorite · Snoqualmie Batholith;Naches Formation
StructureStrong Nw Shearing, Some Ne Fractures
Tectonic settingCascade Volcanic Arc
AlterationVolcanic Rocks Are Hornfelsed And Pyritized. Widespread Secondary Biotite Alteration
Economic & production
Development statusOccurrence
Identification
Deposit ID10048441
MRDS IDMP00028
RegionNA
Data scoreB
Coordinates47.45482, -121.33536
References
GRANT, A.R., 1969, CHEMICAL AND PHYSICAL CONTROLS FOR BASE METAL DEPOSITION IN THE CASCADE RANGE OF WASHINGTON: WASHINGTON DIVISION FO MINES AND GEOLOGY BULLETIN 58, P. 86-88.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. 43-44.GUALTIERI, J.L., THURBER, H.K., MILLER, M.S., MCMAHAN, A.B., AND FEDERSPIEL, F.F., 1975, MINERAL RESOURCES OF ADDITIONS TO THE ALPINE LAKES STUDY AREA, CHELAN, KING, AND KITTITAS COUNTIES, WASHINGTON: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 75-3, PLATE 1.