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Page 6111, results 152751 - 152775

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Areal geology of the Little Cone quadrangle, Colorado
Alfred Lerner Bush, O.T. Marsh, Richard Bartlett Taylor
1958, Trace Elements Investigations 602
The Little Cone quadrangle includes an area of about 59 square miles in eastern San Miguel County in southwestern Colorado. It lies within and adjacent to the northeastern boundary of the Colorado Plateau physiographic province. The precipitous front of the San Juan Mountains lies a few miles to the east...
Directional resistivity measurements in exploration for uranium deposits on the Colorado Plateau
George V. Keller
1958, Trace Elements Investigations 594
A study of the electrical properties of the Morrison formation in the Uravan mineral belt of the Colorado Plateaus province indicated that there is a significant correlation between electrical resistivity and the relative favorability for occurrence of ore. The differences in resistivity were not large enough to provide a recognizable...
Mineralogical applications of electron diffraction. 1. Theory and techniques
Malcolm Ross, C. L. Christ
1958, Trace Elements Investigations 597
The small wavelengths used in electron-diffraction experiments and the thinness of the crystals necessary for the transmission of the electron beam combine to require a somewhat different diffraction geometry for the interpretation of electron-diffraction patterns than is used in the interpretation of X-ray diffraction patterns. This geometry, based on the...
Reconnaissance for radioactive rocks in the Paulo Afonso Region, Bahia, Brazil
Donald D. Haynes, Henry Mau
1958, Trace Elements Memorandum 1104
Ground and air traverses were made to the northwest, north and northeast of Paulo Afonso, Bahia, Brazil, covering Precambrian crystalline rocks and sedimentary rocks of the Jatoba series of Jurassic or Cretaceous age. No important radioactivity anomalies were found; samples from the two strongest anomalies had an equivalent uranium-oxide content...
Photogeological map of the Flat Top Moutain NE quadrangle Carbon County, Wyoming
A. B. Olson
1958, Trace Elements Memorandum 985
Flat Top Mountain NE quadrangle is on the eastern rim ot the Washakie Basin. The Wasatch and Green River formations crop out in the map area and dip generally to the west. The even and persistent bedding of the Green River formation, combined with the strong benching of a few...