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Page 5354, results 133826 - 133850

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Water and stream-sediment sampling techniques for use in uranium exploration
Karen J. Wenrich-Verbeek
1976, Open-File Report 76-77
Methods of sampling water and stream sediments for uranium were established in this study. Water samples should be taken using a US DH-48 water sampler across the stream channel and should be filtered and acidified in situ. Stream sediments should be taken as a composite sample up and across the...
Interpretation of magnetic surveys in intermontane valleys of Nevada and southern New Mexico
G. D. Bath
1976, Open-File Report 76-440
An evaluation of the magnetic method of geophysical exploration in intermontane valleys is made through examples of magnetic properties, magnetic surveys, reduction of data, and analysis of magnetic anomalies from some valley areas. Measurements of magnetic properties of samples collected along valley margins or from drill holes indicate that the...
A summary of petroleum potential, environmental geology, and the technology, time frame, and infrastructure for exploration and development of the western Gulf of Alaska
Roland E. von Huene, Arnold H. Bouma, George Moore, Monty A. Hampton, Rodney Smith, Gordon Dolton
1976, Open-File Report 76-325
This summary of the regional geology, petroleum potential, geologic hazards and time frame for exploration of the western Gulf of Alaska has been written to aid the Bureau of Land Management in preparing the Draft Environmental Impact Statement. A preliminary version was written in Sept., 1975.(von Huene and others, 1975)...
Integration of geological remote-sensing techniques in subsurface analysis
James V. Taranik, Charles M. Trautwein
1976, Open-File Report 76-402
Geological remote sensing is defined as the study of the Earth utilizing electromagnetic radiation which is either reflected or emitted from its surface in wavelengths ranging from 0.3 micrometre to 3 metres. The natural surface of the Earth is composed of a diversified combination of surface cover types, and geologists...
Textural and mineralogical study of sandstones from the onshore Gulf of Alaska Tertiary Province, southern Alaska
Gary R. Winkler, Hugh McLean, George Plafker
1976, Open-File Report 76-198
Petrographic examination of 74 outcrop samples of Paleocene through Pliocene age from the onshore Gulf of Alaska Tertiary Province indicates that sandstones of the province characteristically are texturally immature and mineralogically unstable. Diagenetic alteration of framework grains throughout the stratigraphic sequence has produced widespread zeolite cement or phyllosilicate grain coatings...
Field trip to Nevada test site
Water Resources Division, U.S. Geological Survey
1976, Open-File Report 76-313
Two road logs guide the reader through the geologic scene from Las Vegas to Mercury and from Mercury through eight stops on the Nevada Test Site. Maps and cross sections depict the geology and hydrology of the area. Included among the tables is one showing the stratigraphic units in the...