Subject: Tungsten ores / Spatial Coverage: Alaska - Yale University Library GeoBlacklight Search Results

Start Over Subject Tungsten ores Spatial Coverage Alaska

1. Distribution and abundance of molybdenum, tin and tungsten in nonmagnetic and moderately magnetic heavy-mineral-concentrate samples and tin in minus-80-mesh stream-sediment and ash of aquatic-bryophyte samples, Medfra quadrangle, Alaska [cartographic material]

1983. 2002-06-01T04:00:00Z. 2022-12-17T04:01:22Z. Geological Survey (U.S.). The Survey. English. cartographic image. Public. Alaska.

2. Distribution and abundance of tungsten, determined by spectrographic analysis, in nonmagnetic fraction of heavy-mineral concentrates from stream sediments, Petersburg area southeast Alaska [cartographic material]

1983. 2002-06-01T04:00:00Z. 2023-07-19T03:01:25Z. Geological Survey (U.S.). U.S. Dept. of the Interior, Geological Survey. English. cartographic image. Public. Alaska and Petersburg Region.

3. Distribution and abundance of tungsten, determined for colorimetric and spectrographic analysis, in the minus-80-mesh fraction of stream sediments, Petersburg area southeast Alaska [cartographic material]

1983. 2002-06-01T04:00:00Z. 2023-07-19T03:01:24Z. Geological Survey (U.S.). U.S. Dept. of the Interior, Geological Survey. English. cartographic image. Public. Alaska and Petersburg Region.

4. Occurrences of tungsten minerals in Alaska [cartographic material]

1982. 2002-06-01T04:00:00Z. 2023-05-27T03:01:24Z. Geological Survey (U.S.). The Survey. English. cartographic image. Public. Alaska.

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