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Trace Elements Investigations : The Occurrence of Columbium and Tantalum

Description: The following report is the fourth in a series of reports on rare and uncommon elements prepared by the Geological Survey. This report covers columbius and tantalus, two chemical elements belonging to the fifth group of the periodic table and quinquevalent in most of their compounds.
Date: August 8, 1983
Creator: Fleischer, Michael & Harder, James O.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Preliminary Report on Methods of Analysis for very Small Percentages of Uranium

Description: Abstract: Procedures are presented in detail of two methods for the determination of very small percentages or uranium (down to 0.0025). The methods are applicable to a wide variety of materials. Notes on the methods and confirmatory experiments are also given.
Date: August 8, 1983
Creator: Foster, H. D.; Grimaldi, F. S. & Stevens, R. M.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Underground Effects in the U12n.02 and U12n.03 Drifts, from the Midi Mist (U12n.02) Test, Area 12, Nevada Test Site

Description: Abstract: "The Midi Mist (U12n.02) event produced rock spalling along bedding, joint, and fault planes in the U12n.02 and U12n.03 drifts. The spalling in the U12n.02 drift started at about construction station 12 + 75 and was continuous toward the W.P. Most of the spalling in the U12n.03 drift occurred between C.S. 0 + 00 and 7 + 00."
Date: August 8, 1967
Creator: Ege, John R. & Danilchik, Walter
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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