Description
L. Darrow And Others
Commodities
PrimaryCopper
SecondaryGold, Molybdenum
TertiarySilver, Tungsten
Commodity typeM
Deposit
Model79: Porphyry Cu-Mo
Deposit sizeU
WorkingsSurface/Underground
Orebody formPODS, DISSEMINATED, VEINLETS
Materials
Ore mineralsBornite, Chalcopyrite, Covellite, Molybdenite, Pyrite, Pyrrhotite
GangueBiotite, Chlorite, Epidote, Kaolinite, Orthoclase, Quartz, Sericite
Geology
Host rockDiorite · Chilliwack Composite Batholith, Tonalite And Granodiorite Of Perry Creek
Associated rockVolcanic Rock (Aphanitic) · Volcanic Rocks Of Mount Rahm
StructureSome E-W Fracturing
Tectonic settingCascade Volcanic Arc
AlterationHost Rocks Are Bleached And Silicified
Economic & production
Development statusOccurrence
Discovery year1913
Identification
Deposit ID10047804
MRDS IDM700088
Alternate namesDavis Prospect, Ross, Claims: Weezie Nos. 1-11
RegionNA
Data scoreB
Coordinates48.97288, -121.13344
References
HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 274.HOLLISTER, V.F., 1979, PORPHYRY COPPER-TYPE DEPOSITS OF THE CASCADE VOLCANIC ARC, WASHINGTON: MINERALS SCIENCE AND ENGINEERING, V. 11, P. 34.MOEN, W.S., 1969, MINES AND MINERAL DEPOSITS OF WHATCOM COUNTY, WASHINGTON: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 57, P. 76-77.PURDY, C.P., JR., 1954, MOLYBDENUM OCCURRENCES OF WASHINGTON: WASHINGTON DIVISION OF MINES AND GEOLOGY REPORT OF INVESTIGATIONS 18, P. 87-88.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. 67-69.STAATZ, M.H., TABOR, R.W., WEIS, P.L., ROBERTSON, J.F., VAN NOY, R.M., AND PATTEE, E.C., 1972, GEOLOGY AND MINERAL RESOURCES OF THE NORTHERN PART OF THE NORTH CASCADES NATIONAL PARK, WASHINGTON: U.S. GEOLOGICAL SURVEY BULLETIN 1359, P. 55-57.TABOR, R.W., HAUGERUD, R.A., BOOTH, D.B., AND BROWN, E.B., 199X, PRELIMINARY GEOLOGIC MAP OF THE MOUNT BAKER 30 X 60 MINUTE QUADRANGLE, WASHINGTON: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 9X-XXX, SCALE 1:100,000 (IN PREPARATION IN 1993).