The Pinnell River is a gold mine located in Alaska.
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
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Pinnell River MRDS details
Site Name
Primary: Pinnell River
Commodity
Primary: Gold
Secondary: Zinc
Secondary: Lead
Secondary: Chromium
Secondary: Silver
Location
State: Alaska
District: Fairhaven
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Years of Production:
Organization:
Significant:
Physiography
Not available
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: The occurrence is oxidized and quartz veining of marble is present.
Rocks
Not available
Analytical Data
Not available
Materials
Gangue: Quartz
Comments
Comment (Exploration): Status = Inactive
Comment (Geology): Geologic Description = A small orange gossan is developed in black dolomitic marble just above the Fairhaven ditch at an elevation of 750 feet. The marble is partially replaced by disseminations and stockwork veinlets of quartz and veinlets of fuchsite (Herried, 1966). A gossan sample contained 0.02 ounces/ton Au, 0.023 ounces/ton Ag, 0.05 % Cu, 0.05 % Pb, 0.05 % Zn, and 0.5 % Cr (Herried, 1966, Table 1). Most of the bedrock in the area is a metasedimentary schist and marble sequence of Lower Paleozoic age (Till and others, 1986).
Comment (Geology): Age = Epigenetic mineralization in metamorphic rocks of Seward Peninsula is primarily of Cretaceous age. Some lode gold deposits on southern Seward Peninsula are mid-Cretaceous in age (see Midnight Mountain, BN047).
Comment (Reference): Primary Reference = Herried, 1966
Comment (Commodity): Gangue = Fuchsite
Comment (Deposit): Model Name = Vein and replacement in marble ?
Comment (Workings): Workings / Exploration = Small, hand dug prospecting pits may be present.
References
Reference (Deposit): Herried, G.H., 1965, Geology of the Omilak-Otter Creek area, Bendeleben quadrangle, Alaska: Alaska Division of Mines and Minerals Geological Report 11, 12 p.
Reference (Deposit): Till, A.B., Dumoulin, J.A., Gamble, B. ., Kaufman, D.S., and Carroll, P.I., 1986, Preliminary geologic map and fossil data, Soloman, Bendeleben, and southern Kotzebue quadrangles, Seward Peninsula, Alaska: U.S. Geological Survey Open-File Report 86-276, 10 p., 3 plates, scale 1:250,000.
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