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Page 5508, results 137676 - 137700

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Heavy mineral prospecting in Pakistan
Karl W. Stauffer, James Alfred Calkins
1975, Open-File Report 75-359
Heavy-mineral prospecting is a method of tracing potential ore minerals to their source by systematically examining the heavy minerals of stream sands. The heavy minerals are partially concentrated in the field by panning. In the laboratory the heavy minerals are further concentrated by floating off the quartz and feldspar in...
Geological literature on the North Slope of Alaska, 1969-1974
1975, Open-File Report 75-384
This compilation is intended to account for the many new publications generated by the intense level of petroleum related activity on the North Slope. It is a supplement to the bibliography Geological Literature on the North Slope of Alaska by J. C. Maher and W. M. Trollman published by the...
Geochemical prospecting for copper and nickel in the Wulgai and Tor Tangi areas southeast of Hindubagh, Quetta Division, Pakistan
S. Anthony Stanin, M.A. Wahid, Shamsher Khan
1975, Open-File Report 75-163
Showings of magnetite, copper, and possible nickel mineralization in the Hindubagh chromite mining district are near Wulgai and Tor Tangi. Several hundred samples of clastic material from dry streambeds in these areas were sieved for the minus-80-mesh fraction and analyzed for copper using 2, 2'-biquinoline and for nickel using alpha-furildioxime....
Structure of continental margin off Mid-Atlantic states (Baltimore Canyon Trough)
John Stevens Schlee, John Charles Behrendt, Robert E. Mattick, P. T. Taylor
1975, Open-File Report 75-60
Increasing interest in the Atlantic continental margin as a future petroleum province has resulted in several recent papers (Emmerich, 1974; Burk and Drake, 1974) that attempt to summarize the structure and stratigraphic framework of this area. Most papers tend to portray the margin as a wedge of Mesozoic and Cenozoic...
Land-use classification of the greater Denver area, Front Range Urban Corridor, Colorado
L. B. Driscoll
1975, IMAP 856-E
The Greater Denver area, in the Front Range Urban Corridor of Colorado, is an area of rapid population growth and expanding land development. At present no overall land-use policy exists for this area, although man individuals and groups are concerned about environmental, economic, and social stresses caused by population pressures....