Commodities
PrimarySilver, Copper, Gold, Tungsten, Molybdenum
Commodity typeM
Deposit
Deposit sizeS
Ore controlThe 5-Ft-Wide Ore Zone Strike North And Dips 35w; It Consists Of A Series Of S-Shaped Mineralized Quartz Lenses. The Quartz Lenses Range From A Fraction Of An Inch To A Foot In Thickness (Culver And Broughton, 1945, P. 32-33). The Deposit Contains Stockwork With Quartz-K-Feldspar Flooding And Sericitic Alteration Which Is Part Of The Kelsey Copper-Molybdenum Porphyry Copper System (Roper, 1973).
Materials
Ore mineralsChalcopyrite, Molybdenite, Scheelite
GanguePyrite, Quartz
Geology
Host rockQuartzite,Argillite · Silver Nail Lake Formation;Kobau Formation
StructureThe Kobau Formation Was Deposited Along An Active Continental Margin Proximal To An Island Arc.
Economic & production
Development statusPast Producer
Identification
Deposit ID10055988
MRDS IDSP00221
RegionNA
Data scoreB
Coordinates48.98984, -119.48228
References
CULVER, H.E.; BROUGHTON, W.A., 1945, TUNGSTEN RESOURCES OF WASHINGTON: WASHINGTON DIVISION OF GEOLOGY BULLETIN 34, 89 P., 23 PL.HUNTTING, M. T., 1956, INVENTORY OF WASHINGTON MINERALS-PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, 428 P.; V. 2, 67 P.PATTY, E.N., 1921, THE METAL MINES OF WASHINGTON: WASHINGTON GEOLOGICAL SURVEY BULLETIN 23, 366 P.ROPER, M.W., 1973, GEOLOGY OF THE KELSEY COPPER-MOLYBDENUM PROPERTY, OKANOGAN COUNTY, WASHINGTON: MONTANA STATE UNIVERSITY MASTER OF SCIENCE THESIS, 97 P., 5 PL.STOFFEL, K.L., COMPILER, 1990, GEOLOGIC MAP OF THE OROVILLE 1:100,000 QUADRANGLE, WASHINGTON: WASHINGTON DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN FILE REPORT 90-11, 58 P., 1 PL.UMPLEBY, J.B., 1911, PART I.-- GEOLOGY AND ORE DEPOSITS OF THE MYERS CREEK MINING DISTRICT; PART II. -- GEOLOGY AND ORE DEPOSITS OF THE OROVILLE-NIGHTHAWK MINING DISTRICT: WASHINGTON GEOLOGICAL SURVEY BULLETIN 5, 111 P.DERKEY, R.E.; JOSEPH, N.L.; LASMANIS, R., 1990, METAL MINES OF WASHINGTON-PRELIMINARY REPORT: STATE OF WASHINGTON, DEPARTMENT OF NATURAL RESOURCES, DIVISION OF GEOLOGY AND EARTH RESOURCES OPEN-FILE REPORT 90-18, 577 P.