The Dowry Creek Platinum Placer is a pge mine located in Alaska at an elevation of 249 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: 249 Feet (76 Meters)
Commodity: PGE
Lat, Long: 58.95056, -161.70250
Map: View on Google Maps
Dowry Creek Platinum Placer MRDS details
Site Name
Primary: Dowry Creek Platinum Placer
Commodity
Primary: PGE
Secondary: Gold
Tertiary: Chromium
Location
State: Alaska
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1928
Year Last Production: 1941
Discovery Year: 1928
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
Not available
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Name: Gravel
Role: Host
Age Type: Host Rock
Age Young: Holocene
Analytical Data
Analytical Data: GRADE OF PGM (MEAN OF 5 ANALYSES, RECOMPUTED FREE OF IMPURITIES): 87.56% PT, 7.34% IR, 1.47% OS, 0.12% RU, 1.25% RH, 0.46% PD, 1.80% AU: USGS P 938, P. 26.
Materials
Ore: Gold
Gangue: Magnetite
Gangue: Ilmenite
Unknown: Chromite
Comments
Comment (Workings): LITTLE INFORMATION AVAILABLE ON WORKINGS. PROBABLY USED SAME DRAGLINE EXCAVATOR THAT WAS USED ON CLARA CREEK. ABOUT 0.6 MI. OF TAILINGS VISIBLE ON TOPO MAP.
Comment (Development): 1 CLAIM ESTABLISHED (DISCOVERY). CREEK MINED BY CLARA CREEK MINING CO. AFTER CLARA CREEK PLACER WAS MINED OUT. DOWRY CREEK WAS MINED OUT BY 1940 OR 1941.
Comment (Deposit): LITTLE INFORMATION AVAILABLE. PRESUMABLY MODERN STREAM AND GLACIOFLUVIAL GRAVELS, COBBLES, BOULDERS. PAYSTREAK PROBABLY 0.6 MI. LONG, JUDGING FROM TAILINGS.
Comment (Location): USGS MF-362, LOC. 11. LOCATION IS AT MOUTH OF DOWRY CREEK ON SALMON RIVER, ON ROAD. PLACER EXTENDS AT LEAST 0.6 MI UPSTREAM ON DISCOVERY CLAIM. LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991). 1:250000 QUADRANGLE IS A 1957 VERSION.
Comment (Geology): MAJOR.UNITS: BEDROCK CONSISTS MAINLY OF ULTRA BASIC ROCKS OF THE GOODNEWS BAY ULTRAMAFIC COMPLEX (TERT-MES), AS WELL AS UPPER PALEOZOIC (?) SEDIMENTARY ROCKS DOWNSTREAM. ; REG.COM: SOURCE OF PLACER PROBABLY GOODNEWS BAY ULTRAMAFIC COMPLEX.
Comment (Deposit): STREAM GRADIENT 400-500 FT/MI. LITTLE INFORMATION AVAILABLE ON THIS DEPOSIT. TRIBUTARY OF SALMON RIVER. ; INFO.SRC : 1 PUB LIT
Comment (Deposit): THIS SITE NAME WAS CREATED BY THE REPORTER OR OTHER USGS EMPLOYEE BASED ON PROXIMITY TO SOME MAJOR GEOGRAPHIC FEATURE.
References
Reference (Other Database): BAG-MF-362-11
Reference (Deposit): USGS B 918, P. 53 (1940)
Reference (Deposit): USBM OFR 51-86, P. 2, 6, 7 (1986)
Reference (Deposit): USGS MF-362, LOC. 11 (1972)
Reference (Deposit): USGS OF 80-909, P. 17 (1980)
Reference (Deposit): USGS P 938, P. 4, 5, 23, 26 (1976)
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