The Cooperative Mine Upper Workings is a silver, gold, and copper mine located in Snohomish county, Washington at an elevation of 4,199 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: 4,199 Feet (1,280 Meters)
Commodity: Silver, Gold, Copper
Lat, Long: 47.85278, -121.40944
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.
Cooperative Mine Upper Workings MRDS details
Site Name
Primary: Cooperative Mine Upper Workings
Secondary: Howard
Commodity
Primary: Silver
Primary: Gold
Primary: Copper
Tertiary: Zinc
Tertiary: Lead
Location
State: Washington
County: Snohomish
District: Index 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 Mount Baker-Snoqualmie National Forest
Holdings
Not available
Workings
Type: Surface/Underground
Ownership
Owner Name: Cooperative Mining Syndicate
Years: 1912 -
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Discovery Year: 1897
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: Polymetallic veins
Orebody
Form: VEIN
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Analytical Data: SAMPLES FROM SHAFT RAN $1-6/TON AU
Materials
Ore: Bornite
Ore: Pyrite
Ore: Chalcopyrite
Comments
Comment (Geology): GEOLOGIC MAP INDICATES AREA IS UNDERLAIN BY GROTTO BATHOLITH. IT IS NOT CLEAR WHETHER THE QUARTZITE REFERRED TO IN REFERENCES FOR MINE IS FOR SANDSTONE OF SWAUK FORMATION, WHICH IS SHOWN NEARBY, OR WHETHER IT IS A ROOF PENDANT OF EASTERN MELANGE BELT ROCKS IN THE BATHOLITH
Comment (Deposit): MINERALIZED SHEAR ZONE
Comment (Location): ON HOWARD CREEK.
Comment (Workings): SEVERAL ADITS, SHAFT, SEVERAL OPEN CUTS
References
Reference (Deposit): TABOR, R.W., FRIZZELL, V.A., JR., BOOTH, D.B., WHETTEN, J.T., WAITT, R.B., JR., AND ZARTMAN, R.E., 1982, PRELIMINARY GEOLOGIC MAP OF THE SKYKOMISH RIVER 1:100,000 QUADRANGLE, WASHINGTON: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 82-747, SCALE 1:100,000.
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. 81.
Reference (Deposit): WEAVER, C.E., 1912, GEOLOGY AND ORE DEPOSITS OF THE INDEX MINING DISTRICT, WASHINGTON: WASHINGTON GEOLOGICAL SURVEY BULLETIN 7, P. 79-80.
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.
