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Page 6067, results 151651 - 151675

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Biogeochemistry of vanadium
Helen L. Cannon
1962, Open-File Report 62-25
Vanadium is known to occur in soils as vanadates of copper, zinc, lead, uranium, ferric iron, manganese, calcium, and potassium. Vanadium replaces aluminum in clays and occurs in porphyrin complexes in bituminous sediments.Small amounts of vanadium are stimulating to plants; large amounts are toxic. Ten to 20 ppm vanadium in...
Bedrock geology of the Mount Carmel and Southington quadrangles, Connecticut
Crawford Ellswroth Fritts
1962, Open-File Report 62-48
New data concerning the geologic structure, stratigraphy, petrography, origin, and ages of bedrock formations in an area of approximately 111 square miles in south-central Connecticut were obtained in the course of detailed geologic mapping from 1957 to 1960. Mapping was done at a scale of 1:24,000 on topographic base maps...
Idri salt deposits, Fezzan Province, Libya
Gus H. Goudarzi
1962, Open-File Report 62-53
The Idri salt deposit, located 135 kilometers west of Brack in the Shatti Valley area of the Fezzan province, United Kingdom of Libya, covers an area of about 35 square Kilometers. It is connected to the newly constructed black-top Fezzan road by about 250 kilometers of secondary road. The deposit...
Pisida salt deposit, Libya
Gus H. Goudarzi
1962, Open-File Report 62-54
The Pisida salt deposit, located about 165 kilometers west of Tripoli on the Mediterranean coast, covers an area of about 50 square kilometers in Libya.Thin layers of salts, less than 50 centimeters thick, are deposited on the surface as a result of the evaporation of the percolating sea water which...
A new occurrence of beryllium minerals on the Seward Peninsula, Alaska
C.L. Sainsbury
1962, Open-File Report 62-114
Beryllium in the form of chrysoberyl was found at a new locality on the public domain on the Seward Peninsula. The beryllium is associated with altered dikes and marmorized limestone veined with fluorite-tourmaline-chrysoberyl veinlets. Although the chrysoberyl is fine grained and intergrown intricately with the fluorite and tourmaline, it has...
Geology of the Straight Creek tunnel site, Clear Creek and Summit Counties, Colorado, and its predicted effect on tunnel construction
Charles Sherwood Robinson, Fitzhugh T. Lee
1962, Open-File Report 62-111
The purpose of this report is to present the preliminary results of the geologic and geophysical research conducted by the U. S. Geological Survey at the surface over the proposed Straight Creek tunnel. The results are interpreted and predictions are made, based primarily on statistical analyses, as to the probable...