| | Report (issue) | Geology and Uranium Deposits of Elk Ridge and Vicinity San Juan County, Utah By RICHARD Q. LEvVIS, SR., and...1919Geology and uranium deposits of Elk Ridge and vicinity, San Juan County, Utah, by Richard Q. Lewis, Sr., and...Print. Off., 1964. iv, 69 p. illus., maps (1 col.) diagrs. (1 col.) ta·bles. 30 em. (U.S. Geological Survey...deposits of Elk Ridge and vicinity, San Juan County, Utah. 1964. (Card 2) 1. Geology-Utah-San Juan Co. 2.... Uranium ores-Utah-San Juan Oo. 3. 'Mines and mineral resources-Utah-S·an Juan Co. 1. Campbell, Russell | | | Journal (article/letter/editorial) | WIDESPREAD OCCURRENCE AND CHARACTER OF URANINITE IN THE TRIASSIC AND JURASSIC SEDIMENTS OF THE... There are two principalmodesof occurrenceof uraninite,one with sulfidesof copper,the other in aspbaltic...the associationwith fossil plants is the rule. Uraninite generallyreplacescell walls of the plants,and...reflectivity of the uraninite may differ considerablyfrom that of hydrothermal vein uraninite. The paragenesisof...complexand somewhat obscure, but a formation of the uraninite contemporaneous with, or shortly followedby, coppersulfidesis | | | Journal (article/letter/editorial) | elutriatedto removethe clay-sizefraction (little or no sulfide was lost in the elutriate). The sulfide was...were obtainedon 10-gram samplescontaininglessthan 1 gram of sulfide. The sulfideconcentrates obtainedfrom...unharmed by warm hydrochloricand hydrofluoricacid (1, 21); however,the other sulfidesanalyzed,suchas galena...particularlyas describedby Robinson andothers(27). A 1-gramsampleof the sulfideis transferredto the distillation...MEXICO i eFIogltoff I o o eAibuquerqua FIG. 1. Locationsof samples. GEOLOGIC AND GEOGRAPHIC DISTRIBUTION | | | Report (volume) | permission of the Commission." Bibliography: p. 361-396. 1. Uranium ores. 2. Thorium. 3. Uranium ores-Bib!. 4...Mineralogy of uranium and thorium. (Series) QE75.B9 no. 1064 549.74 -----Copy 2. QE391.U67F7 G S 58-254..._________ . _____ . ______ .. ____ __ v Page III 1 1 6 7 8 8 10 11 11 11 47 53 55 56 60 62 62 68 72 78...ILLUSTRATIONS PLATE FIGURE 1. Autoradiograph of dendritic aggregate of uraninite crystals ____________________...________ . ____ . ______________ . ____ Facing 1. Uraninite. A. Cube, a{100}. B. Cuba-octahedron, a{100} |
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