Commodities
PrimaryCopper
TertiaryGold, Silver, Molybdenum
Commodity typeM
Deposit
Model53: Porphyry Cu
Deposit sizeS
Orebody formSTOCKWORK VEINLETS
Materials
Ore mineralsBornite, Chalcocite, Chalcopyrite, Covellite, Molybdenite, Pyrite, Pyrrhotite
GangueBiotite, Orthoclase, Quartz, Sericite
Geology
Host rockSandstone · Naches Formation;Easton Schist;Naches Formation
Associated rockDiorite · Mineral Creek Stock
StructureNortheast-Trending Transverse Structures, Major Nothwest-Trending Faults
Tectonic settingCascade Volcanic Arc
AlterationPotassic, Phyllic, Propylitic
Economic & production
Development statusPast Producer
Identification
Deposit ID10008482
MRDS IDD000664
Alternate namesDurrwachter, Liberty Lode
RegionNA
Data scoreB
Coordinates47.42482, -121.25563
References
HOLLISTER, V.F., 1979, PORPHYRY COPPER-TYPE DEPOSITS OF THE CASCADE VOLCANIC ARC, WASHINGTON: MINERALS SCIENCE AND ENGINEERING, V. 11, P. 34.DERKEY, R.E., JOSEPH, N.L., AND LASMANIS, RAYMOND, 1990, METAL MINES OF WASHINGTON - PRELIMINARY REPORT: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN-FILE REPORT 90-18, P. 137.GRANT, A.R., 1969, CHEMICAL AND PHYSICAL CONTROLS FOR BASE METAL DEPOSITION IN THE CASCADE RANGE OF WASHINGTON: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 58, P. 86-88.HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 60.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, P. 81-85.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. 44.GUALTIERI AND OTHERS, 1975