Characterization of Ketchem Dome tin prospect, east-central Alaska

Dahlin, D. C. (David Clifford), 1951-; Brown, L. L. (Lawrence L.), 1928-; Warner, J. Dean

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Characterization of Ketchem Dome tin prospect, east-central Alaska

Published Date:

1987

Series:

Report of investigations (United States. Bureau of Mines) ; 9145

Language:

English

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Characterization of Ketchem Dome tin prospect, east-central Alaska

Details:

Personal Authors:

Dahlin, D. C. (David Clifford), 1951- ; Brown, L. L. (Lawrence L.), 1928- ; Warner, J. Dean ;

Corporate Authors:

United States. Bureau of Mines.

Keywords:

[+]

Description:

"The Bureau of Mines investigated the Ketchem Dome Tin Prospect in east-central Alaska to evaluate the tin resource. The studies included field investigations, mineralogical characterization, and concentration of the tin-bearing minerals. The tin mineralization consists of cassiterite (sNO2), which occurs as grains disseminated in a greisen (quartz-mica) matrix. A bulk sample from the largest and best-developed greisen vein exposed at Ketchem Dome contained 0.51 pct sn. Concentration of the cassiterite by gravity table methods resulted in a product that contained 56 pct of the tin at a grade of 41.4 pct sn. The mineralization exposed at Ketchem Dome is typical of greisen found in the area and elsewhere in interior Alaska." - NIOSHTIC-2

NIOSH no. 10006027

Collection(s):

National Institute for Occupational Safety and Health

Place as Subject:

Alaska ; Alaska -- Ketchem Dome ;

Main Document Checksum:

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Supporting Files:

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