Catalog Search Results
1424) Sedimentary rock alteration in the Slick Rock district, San Miguel and Dolores Counties, Colorado
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Summary
Epigenetic alteration of sedimentary rocks was spatially and temporally related to deposition of uranium-vanadium ores. Mineralogic and chemical characteristics and distribution of altered rocks suggest that uranium- and vanadium-bearing pore waters that were expelled from compacted Upper cretaceous Mancos Shale in early Tertiary time accoounted for the alteration of sedimentary rocks and formation of the ores in the Upper Jurassic Morrison Formation....
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Professional paper / U.S. Geological Survey volume no. 462-H
Summary
An examination of conditions under which bedload transport rates may be determined from the dimensions and speed of shifiting bed forms.
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Professional paper / U.S. Geological Survey volume no. 462-G
Summary
A study of the theoretical and observed effects of changes in water temperature on the transportation of bed material.