The Nateekin River is a silver and 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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Nateekin River MRDS details
Site Name
Primary: Nateekin River
Commodity
Primary: Silver
Primary: Gold
Location
State: Alaska
District: Aleutians
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: Propylitic to argillic - local silicification. Leaching is locally complete.
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Pyrite
Comments
Comment (Reference): Primary Reference = Christie, 1974
Comment (Workings): Workings / Exploration = Limited reconnaissance mapping and 3 soil(?) samples. Samples contained up to 1.8 ppm silver, one contained 0.01 ppm gold and 9 ppm molybdenum.
Comment (Geology): Geologic Description = A pale yellow-brown to medium red-brown color anomaly 3,000 ft (900 m) in diameter in pyroclastic rocks and volcanic flows (andesite to dacite) of Unalaska Formation (see Drewes and others, 1961). The rocks contain disseminated and locally mineralized fracture concentrated sulfides and are cut by post-mineralization augite andesite dikes. Christie (1974) indicated that there is no evidence that this sulfide system is related to an intrusive body because exposure is sufficiently good to rule out the existence of one. No copper was observed (the goal of Christie's examination efforts).
Comment (Deposit): Other Comments = Localization of sulfides and silicification, the gold and silver anomalies, and the local geologic context suggests epithermal mineralization might warrant consideration.
Comment (Exploration): Status = Inactive
Comment (Geology): Age = Cenozoic
References
Reference (Deposit): Drewes, Harold, Fraser, G.D., Snyder, G.L., and Barnett, H.F., Jr., 1961, Geology of Unalaska Island and adjacent insular shelf, Aleutian Islands, Alaska: U.S. Geological Survey Bulletin 1028-S, p. 583-676.
Reference (Deposit): Christie, J.S., 1974, Aleut-Quintana-Duval 1974 joint venture, final report: Unpublished Quintana Minerals Corporation report, 24 p., 3 appendices, 2 maps. (Report held by the Aleut Corporation, Anchorage, Alaska.)
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