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Page 6261, results 156501 - 156525

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Iron deposits of North America, Cuba, and Puerto Rico
Carl E. Dutton
1954, Open-File Report 54-73
The accompanying report on the iron deposits of the North American continent also includes information concerning the deposits of the West Indies. The geogrphic order of desription is as follows: Alaska, Canada, United States, Mexico, Cuba, and Puerto Rico.A map of each country shows the generalized geologic pattern of the...
Uranophane at Silver Cliff mine, Lusk, Wyoming
Verl R. Wilmarth, Douglas H. Johnson
1954, Bulletin 1009-A
The uranium deposit at the Silver Cliff mine near Lusk, Wyo., consists primarily of uranophane which occurs as fracture fillings and small replacement pockets in faulted and fractured calcareous sandstone of Cambrian (?) age. The country rock in the vicinity of the mine is schist of pre-Cambrian age intruded by...
Radioactive deposits of Nevada
T.G. Lovering
1954, Bulletin 1009-C
Thirty-five occurrences of radioactive rocks had been reported from Nevada prior to 1952. Twenty-five of these had been investigated by personnel of the U. S. Geological Surveyor of the U. S. Atomic Energy Commission. Of those investigated, uranium minerals were identified at 13 sites; two sites contained a thorium mineral...