Contributions to the Geology of Uranium and Thorium: By the United States Geological Survey and Atomic Energy Commission for the United Nations International Conference on Peaceful Uses of Atomic Energy, Geneva, Switzerland, 1955, Issue 300

Front Cover
Lincoln Ridler Page, Harriet B. Smith
U.S. Government Printing Office, 1956 - Uranium ores - 739 pages
 

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Contents

Uranium deposits at the contact of metamorphosed sedimentary rocks and granitic intrusive rocks in Western United States
85
The possibilities of obtaining longrange supplies of uranium thorium and other substances from igneous rocks by Harrison
91
Uraniumbearing vein deposits in the United States by Donald L Everhart
97
Pitchblende deposits in the Central City district and adjoining areas Gilpin and Clear Creek Counties Colorado by Paul
105
Summary of wallrock control of certain pitchblende deposits in Golden Gate Canyon Jefferson County Colorado by John
113
Relation of secondary uranium minerals to pitchblendebearing veins at Marysvale Piute County Utah by George
123
Uranium in the fluorspar deposits of the Thomas Range Utah by Mortimer H Staatz and Frank W Osterwald
131
Geology of the Los Ochos uranium deposit Saguache County Colorado by R C Derzay
137
Uraniumvanadiumcopper deposits on the Colorado Plateau by Richard P Fischer
143
Structural features of the central Colorado Plateau and their relation to uranium deposits by Eugene M Shoemaker
155
Influence of regional structure and tectonic history upon the origin and distribution of uranium on the Colorado Plateau
171
Occurrence of uranium in diatremes on the Navajo and Hopi Reservations Arizona New Mexico and Utah by Eugene M
179
Mineralogy and oxidation of the Colorado Plateau uranium ores by Alice D Weeks
187
Paragenetic studies of uranium deposits of the Colorado Plateau by R A Laverty and E B Gross
195
A comparison of black uranium ore deposits in Utah New Mexico and Wyoming by John W Gruner
203
Relation of carnotite deposits to permeable rocks in the Morrison formation Mesa County Colorado by David A Phoenix
213
Sedimentary features of upper sandstone lenses of the Salt Wash member and their relation to uraniumvanadium deposits
221
Direction of sediment transport in the Triassic and associated formations of the Colorado Plateau by Forrest G Poole
227
Channels and related swales at the base of the Shinarump conglomerate Monument Valley Arizona by Irving J Witkind
233
Significance of roll ore bodies in genesis of uraniumvanadium deposits on the Colorado Plateau by Daniel R Shawe
239
Geology of uranium deposits of the Shinarump and the Chinle formations on the Colorado Plateau by Y William Isachsen
263
Uranium deposits in the White Canyon area San Juan County Utah by Albert F Trites Jr Tommy L Finnell and Robert
281
Guides to uranium deposits in the Morrison formation GallupLaguna area New Mexico by Lowell S Hilpert and Val L
299
Uranium in terrestrial sedimentary rocks in the United States exclusive of the Colorado Plateau by Warren I Finch
321
Relation of tectonic elements in Precambrian rocks to uranium deposits in the Cordilleran foreland of Western United States
329
Geology of uranium in the basins of Tertiary age in Wyoming and the northern Great Plains by James D Vine
337
Lithologic and structural controls of uranium deposition in the southern Black Hills South Dakota by Henry Bell III
345
Uranium in clastic rocks of the Basin and Range province by Dudley L Davis and Donald L Hetland
351
Uranium deposits in Tertiary sedimentary rocks in Wyoming and northern Colorado by Eugene W Grutt Jr
361
Geology and uranium deposits of the Pumpkin Buttes area Powder River Basin Wyoming by William N Sharp Francis
371
Uranium in precipitates and evaporites by Kenneth G Bell
381
Uranium deposits in limestone by John W Gabelman
387
Uraniumbearing coal in the United States by James D Vine
405
Uraniferous black shale in the northern Rocky Mountain and Great Plains regions by William J Mapel
469
Uranium in phosphate rock by Vincent E McKelvey
477
Uranium in the Phosphoria formation by Vincent E McKelvey and Louis D Carswell
483
Distribution and occurrence of uranium in the calcium phosphate zone of the landpebble phosphate district of Florida
489
The aluminum phosphate zone of the Bone Valley formation Florida and its uranium deposits by Zalman S Altschuler
495
The organic geochemistry of uranium by Irving A Breger and Maurice Deul
505
Uranium and other trace metals in crude oils of Western United States by Harold J Hyden
511
Uranium in asphaltbearing rocks of Western United States by William J Hail Jr Alfred T Myers and C Albert Horr
521
Radioactive elements and their daughter products in the Texas Panhandle and other oil and gas fields in the United States
527
AQE OF URANIUM DEPOSITS
533
Isotope geology of some uranium minerals by Henry R Hoekstra and Joseph J Katz
543
Interpretation of the discordant age sequence of uranium ores by Lorin R Stieff and Thomas W Stern
549
Geology of thorium deposits in the United States by William S Twenhofel and Katharine L Buck
559
Mineralogy of thorium by Clifford Frondel
567
Thorium deposits in the Wet Mountains Colorado by Q D Singewald and Maurice R Brock
581
Thorium in the Powderhorn district Gunnison County Colorado by Stewart R Wallace and Jerry C Olson
587
Geology and monazite content of the Goodrich quartzite Palmer area Marquette County Michigan by Rollin C Vickers
593
The analytical chemistry of uranium and thorium by Frank S Grimaldi
605
Techniques for prospecting for uranium and thoriuma summary by Royal S Foote and Lincoln R Page
621
Geologic prospecting for uranium and thorium by Lincoln R Page
627
Rock alteration criteria in the search for uranium by Paul F Kerr
633
Subsurface techniques for outlining favorable zones by widely spaced core drilling by Robert K Pitman Philip H Dodd
641
Heavymineral prospecting by William C Overstreet Paul K Theobald Jr Jesse W Whitlow and Jerome Stone
647
The use of geochemical techniques and methods in prospecting for uranium by Thomas S Lovering Hubert William
659
Hydrogeochemical exploration for uranium by Philip F Fix
667
Water sampling as a guide in the search for uranium deposits and its use in evaluating widespread volcanic units as potential
673
Botanical methods of prospecting for uranium by Helen L Cannon and Frank J Kleinhampl
681
Geophysicalgeochemical prospecting for uranium by M Elner Denson
687
Instruments and techniques for measuring radioactivity in the field by Frank W Stead
705
Air scattering of gamma rays from thick uranium sources by Arthur Y Sakakura
715
Geophysical exploration for uranium on the Colorado Plateau by Rudolph A Black _
721
Subject index
727
Author index
739

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Page 523 - Anderson, CC, and Hinson, HH, 1951, Helium-bearing natural gases of the United States. Analyses and analytical methods: US Bur. Mines Bull. 486, 141 p.
Page 217 - Specimens selected for permeability measurements were free of all joints or fractures that could be detected with the naked eye or with the aid of a hand lens. Sediments with differing permeability were studied in thin section to determine the effects of- diagenesis on the porosity of the rocks. The permeability characteristics of drill cores from the upper part of the Salt Wash member are shown on Fig.
Page 44 - ... age of the enclosing rocks. The mean age of samples from ores in the Jurassic Morrison and Entrada formations and the Triassic Shinarump conglomerate are 72, 50, and 73 million years, respectively. These ages are much younger and more uniform than would be expected if the ores were formed at the time of deposition of the host rocks, but they compare favorably to the 60.5 million years determined as the mean age of four pitchblende samples from hydrothermal veins in the Colorado Front Range. Stieff,...
Page 15 - ... logging instruments, used in connection with electric logging, it is possible to determine the position, thickness and approximate grade of mineralization, and to differentiate the various rock types encountered in a bore hole. Instruments have been developed for logging bore holes as small as two inches in diameter. Although these instruments now are considered indispensable in uranium exploration, the basic work still is detailed field geology and laboratory research. One of the major contributions...
Page 50 - that a direct competition exists between calcium and uranium for the combining sites on the bone phase . . . between carbonate ion (which forms a relatively undissociated complex with uranyl ion) and the surface phosphate groups for uranium. The reduced uranium adsorption observed at elevated pH is somewhat more complicated but, in part, may be viewed as a competition between surface phosphate groups and hydroxyl ions.
Page 14 - Highly sensitive scintillation counters weighing as little as 5 pounds are available for ground surveys. Instruments weighing from 50 to 100 pounds are used for airborne surveys. A number of valuable uranium deposits have been found by lowlevel aerial surveys. High-level flying in broad reconnaissance surveys has been directed toward locating favorable areas for more detailed investigations. With sensitive scintillation logging instruments, used in connection with electric logging, it is possible...
Page 448 - HC, and others, 1951, the Kansas rock column: Kan. State Geol. Survey Bull. 89, 132 p. Swanson, RW, McKelvey, VE, and Sheldon, RP, 1953, Progress report on investigations of western phosphate deposits: US Geol. Survey Circ. 297. Szalay, S., 1954, The enrichment of uranium in some brown coals in Hungary: Acta Geologica [Hungaricae], Magyar tudom. Akad. II, p. 299-310. Thompson, ME, 1953, Distribution of uranium in rich phosphate beds in the Phosphoria formation: US Geol. Survey Bull. 988-D, p. 45-67....
Page 13 - Information on uranium deposits and the nature of their occurrence has been greatly increased. Special instruments and techniques have been developed for use in exploring for radioactive minerals. New metallurgical processes for extracting uranium from ores have increased recoveries and reduced the cost of production. Byproduct uranium is being recovered commercially from very low-grade materials. In 1948 the uranium supply of the Western Nations was almost entirely the product of two mines, one...
Page 15 - This general review of production and resources indicates that uranium no longer can be considered a rare metal. There are extensive deposits throughout the world, and there are processes for extracting the uranium economically. Uranium production already developed is sufficient for a major nuclear power program of world-wide extent. Additional production can be obtained when needed. When the vast low-grade resources are required, more efficient use of nuclear fuel through improved conversion or...
Page 117 - Uranium is closely associated with chalcedony in both types of veins. This association suggests that all of the uranium in the area is of the same age. If so, some of the silver-lead veins must have been reopened during the period of chalcedony vein formation.

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