The Northwest Alloys Inc. is a silica and magnesite mine located in Stevens county, Washington at an elevation of 1,660 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: 1,660 Feet (506 Meters)
Commodity: Silica, Magnesite
Lat, Long: 48.3597, -117.84360
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.
Northwest Alloys Inc. MRDS details
Site Name
Primary: Northwest Alloys Inc.
Secondary: Northwest Alloys Incorporated
Secondary: Addy Plant
Commodity
Primary: Silica
Primary: Magnesite
Location
State: Washington
County: Stevens
District: Chewelah Mining District
Land Status
Not available
Holdings
Not available
Workings
Type: Surface
Ownership
Not available
Production
Year: 1986
Description: 850,000 Mt Dolomite Mined 69000000 Lbs Mg Metal Produced
Year: 1985
Description: 860,000 Mt Dolomite Mined 70000000 Lbs Mg Metal Produced
Year: 1984
Description: 900,000 Mt Dolomite Mined 65000000 Lbs Mg Metal Produced
Year: 1983
Time Period: 1976-1983
Description: 3,665,000 Mt Dolomite Mined, 500,000 Mt Quartzite Mined 160000 Mt Mg Metal Produced
Deposit
Record Type: Site
Operation Category: Plant
Plant Type: Refiner
Plant Subtype: Refiner-Pyrometallurgy
Operation Type: Processing Plant
Mining Method: Open Pit
Milling Method: Flotation
Year First Production: 1976
Discovery Year: 1960
Years of Production:
Organization:
Significant: Y
Deposit Size: M
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Not available
Comments
Not available
References
Reference (Deposit): BELT OF STEVENS CO., WA.
Reference (Deposit): GEOLOGICAL SURVEY BULLETIN 1142-F, GEOLOGY OF MAGNESITE
Reference (Deposit): CAMPBELL, I., AND LOOFBOUROW, J.S, JR., 1962, U.S.
Reference (Deposit): RESOURCES OF STEVENS CO., P. 314-331.
Reference (Deposit): WEAVER, C.E., WA GEOLOGICAL SURVEY BULLETIN 20, MINERAL
Reference (Deposit): 3/18/77 MESA MINE FILE REF:#4502 124,4502125, 4502126
Reference (Deposit): REF. 3/18/77 ELS:PROPOSED NW ALLOYS MAGNESIUM PLANT,WA ST.DE
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.
