The Copper Mining Co. is a copper mine located in Yakima county, Washington at an elevation of 5,000 feet.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Mine Info
Elevation: 5,000 Feet (1,524 Meters)
Commodity: Copper
Lat, Long: 46.76889, -121.34917
Map: View on Google Maps
Satelite View
MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.
Copper Mining Co. MRDS details
Site Name
Primary: Copper Mining Co.
Secondary: New Find
Secondary: Bird
Commodity
Primary: Copper
Secondary: Tungsten
Tertiary: Silver
Tertiary: Gold
Tertiary: Molybdenum
Location
State: Washington
County: Yakima
District: Bumping Lake District
Land Status
Land ownership: National Forest
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.
Administrative Organization: In Snoqualmie National Forest Cherry Stem Into William O. Douglas Wilderness
Holdings
Not available
Workings
Type: Surface/Underground
Ownership
Owner Name: Copper Mining Co. (-
Home Office: Yakima, Wa.
Production
Year: 1938
Material type: CONC
Description: Ap_Grade: ^19.6% Cu, 100 Oz/Ton Ag, 1 Oz/Ton Au
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Pacific Mountain System
Physiographic Province: Cascade-Sierra Mountains
Physiographic Section: Northern Cascade Mountains
Mineral Deposit Model
Model Name: Porphyry Cu-Mo
Orebody
Form: BRECCIA PIPES
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: Potassic, Phyllic, Propylitic
Rocks
Name: Diorite
Role: Host
Age Type: Host Rock Unit
Age Young: Miocene
Name: Diorite
Role: Host
Age Type: Host Rock
Age Young: Miocene
Analytical Data
Analytical Data: WO3 ESTIMATED AT ABOUT 0.25%. LOCAL POCKETS OF SEVERAL HUNDRED TONS CONTAIN 0.75-1%. ASSAYS RAN TR AU, 0.6-2 OZ/TON AG, 1.15-3.35% CU, TR-11.5% WO3, 0.13% MOS2
Materials
Ore: Scheelite
Ore: Molybdenite
Ore: Pyrite
Ore: Malachite
Ore: Chalcopyrite
Ore: Bornite
Gangue: Quartz
Gangue: Sericite
Gangue: Biotite
Gangue: Tourmaline
Comments
Comment (Location): UNSURVEYED. EAST SIDE OF MINERS RIDGE NEAR SUMMIT. COPPER MINING CO. CLAIMS ARE ALSO IN SECS. 12, 13, 14, T. 15 N., R. 11 E. AND SECS. 7, 8, 17, 20, T. 15 N., R. 12 E. LAT/LONG GIVEN ARE FOR NEW FIND
Comment (Production): OUTPUT SMALL. SOME COPPER CONCENTRATE AND A LITTLE SCHEELITE CONCENTRATE SHIPPED IN 1933.
Comment (Deposit): SEE ALSO MRDS RECORD MP00249. MRDS RECORDS W017917, D000706 HAVE BEEN MERGED WITH THIS RECORD AND DELETED
Comment (Deposit): SERIES OF PARALLEL AND DIVERGING VEINLETS ARE PRESENT IN HYDROTHERMALLY ALTERED SHEAR ZONE 7-8 FT WIDE AND TRACEABLE FOR 2,000 FT
Comment (Workings): SEVERAL ADITS, SHALLOW SHAFTS, NUMEROUS OPEN CUTS
References
Reference (Deposit): 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. 571-572.
Reference (Deposit): HOLLISTER, V.F., 1979, PORPHYRY COPPER-TYPE DEPOSITS OF THE CASCADE VOLCANIC ARC, WASHINGTON: MINERALS SCIENCE AND ENGINEERING, V. 11, P. 34.
Reference (Deposit): LEMMON, D.M., UNPUB. DATA.
Reference (Deposit): LEMMON, D.M., AND TWETO, O.L., 1962, TUNGSTEN IN THE UNITED STATES, U.S. GEOLOGICAL SURVEY MINERAL INVESTIGATIONS RESOURCE MAP, MR-25, SCALE 1:3,168,000.
Reference (Deposit): CULVER, H.E., AND BROUGHTON, W.A., 1945, TUNGSTEN RESOURCES OF WASHINGTON: WASHINGTON DIVISION OF GEOLOGY BULLETIN 34, P. 80-84.
Reference (Production): DERKEY AND OTHERS, 1990
Reference (Deposit): HUNTTING, M.T., 1956, INVENTORY OF WASHINGTON MINERALS - PART II, METALLIC MINERALS: WASHINGTON DIVISION OF MINES AND GEOLOGY BULLETIN 37, V. 1, P. 106-107, 350.
Washington Gold
"Where to Find Gold in Washington" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in Arizona. Read more: Where to Find Gold in Washington.
