Alaska
Prospect
Kougarok Deposit
Alaska, United States
Tin
Tantalum
Niobium (Columbium)
Copper
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USGS source ↗
Description
Anaconda Minerals Co.
Commodities
Primary
Tin
Secondary
Tantalum, Niobium (Columbium)
Tertiary
Copper
Commodity type
M
Deposit
Deposit size
N
Materials
Ore minerals
Cassiterite, Chalcopyrite
Gangue
Axinite, Chlorite, Fluorite, Quartz, Topaz, Tourmaline
Geology
Host rock
Schist
Alteration
Alteration Assemblages (In Order Of Increasing Intensity) Sericite-Tourmaline, Zinnwaldite-Sericite, Quartz-Tourmaline Greisen.
Economic & production
Development status
Prospect
Discovery year
1979
Identification
Deposit ID
10003257
MRDS ID
A016079
Region
NA
Data score
C
Coordinates
65.70293, -165.23647
References
ECON. GEO., V. 81, NO. 7, P. 1775-1794.GSA ABSTRACTS WITH PROGRAMS, V. 17, NO. 7, P. 694.ADGGS SR 40, P. 38.