 | | Report (issue) | | being prepared, each covering a specific type of deposit. These reports are a product of the Agency's Working...Surficial Uranium Deposits — An Example from Western Australia . . . . . . . . . . . . . . . . . . . . ....Hydrogeochemistry in Exploration for Calcrete Uranium in Australia...... W.G. Middleton 75 Calculation of the Carnotite...the Napperby Surficial Uranium Deposit Northern Territory, Australia ... H. Akin, F. Bianconi 95 Beneficiation... Belluco 113 Surficial Uranium Deposits in Australia . . . . . . . . . . . . . . . . . . . . . . . |  | | Journal (article/letter/editorial) | | caicretes, which are found in Western Australia (including the vast Yeelirrie deposit) and in Namibia and other...fissures, cavities and exsolved pockets. In the Yeelirrie deposits the following order of mineralization...represented by the uranyl vanadates carnotite and tyuyamunite and by such uranyl phosphates as autunite, torbernite...the mineral being dissolved. For example, in tyuyamunite the concentrations Cc u = Cc v = Cc ca; ionic...the difference in solubility, for example, of tyuyamunite o r autunite in the carbonate (ac co2 = 1 m) |  | Hall, S.M., Van Gosen, B.S., Paces, J.B., Zielinski, R.A., Breit, G.N. (2019) Calcrete uranium deposits in the Southern High Plains, USA. Ore Geology Reviews, 109. 50-78 doi:10.1016/j.oregeorev.2019.03.036 | Journal (article/letter/editorial) | | hosted in dolomite at the Sulfur Springs Draw deposit, with accessory fluorite, celestine, smectite/illite...Draw deposit is ~160 ka and mineralization is as young as 3.8 ka. Ash collected near the deposit is 631...near-surface carbonate (calcrete) and are the only deposit types considered in this study. Although some definitions...calcrete as either vadose or phreatic is accepted in Australia and southern Africa where most calcrete uranium...1983; Mann and Horwitz, 1979). In Namibia and Western Australia several calcrete uranium deposits are the |  | | Report (issue) | | yellow or green. The vanadates, carnotite and tyuyamunite, are the most common and abundant. Brannerite...mainly in Triassic and Permian formations in the western States. Copper has been recovered chiefly from...in the breccia complex Cu-U-Au-Ag deposit at Olympic Dam, Australia (Oreskes and Einaudi, 1990). Copper...uranium deposits and the Cu-U-Au-Ag deposit, Olympic Dam, Australia and only in trace to small amounts...basis of their geologic occurrence. The top eleven deposit-types listed in about their economic importance |  | | Report (issue) | | and districts......................... Type of deposit......................................... Page............................................... Australia.......................................... New...summarized briefly, including such features as type of deposit, host rock and age of host rock, age of mineralization...Secondary uranium ore minerals, such as carnotite, tyuyamunite, torbernite, meta-torbernite, autunite, meta-autunite...Plateau, including adjoining areas and areas in western Idaho and eastern Washington, (2) Canadian Shield-Bancroft |  | | Report (issue) | | events have produced open systems in U ores. In deposit studies, the decay schemes of 235U and 238U along...cycle as it cannot be engineered. Once an ore deposit is discovered, a mine is developed and U extracted...of mining techniques, depending on the type of deposit. The resulting ore is treated to extract the U...dangerous waste and its use in weapons will MAJOR DEPOSIT TYPES There are many different ways of classifying...companies are similar and involve between 12 and 18 deposit types. One of the problems with subdividing deposits |  | | Book | | crossreference or as a guide for his own research and deposit modeling. Finally, it was the author's intention...Preface in Chapter 4. Particularly one type of deposit characterized by strata-controlled, structure-bound...countries. This type was not considered economic by Western World standards and was therefore not designated...uranium mineralizations on a local (individual deposit) and regional scale (uranium province). Their ideas...or districts. (in brackets country, district, deposit reviewed): Adamek P. (Scandinavia), Adams S.S. |  | De Vivo, B., Ippolito, F., Capaldi, G., Simpson, P. R. - Eds. (1984) Uranium geochemistry, mineralogy, geology, exploration and resources. Springer Netherlands. doi:10.1007/978-94-009-6060-2 | Book | | the end of the last century, the only mineral deposit to be exploited was that in 10achimsthal, Bohemia-the...from inclusions in basaltic rocks in Eastern Australia-an outline. J. Volc. geotherm. Res., 14, 1982...comparing the mineral assemblage in a uranium deposit, including ore, gangue and alteration minerals... 4 Schematic diagram of 'ro ll-type' uranium deposit Whether the reducing agents are indigenous to...vanadate (carnotite, Kz(UO Z )z(V0 4 )z and tyuyamunite, Ca(UOz)z(V0 4 )z) . Precipitation of carnotite |  | | Report (volume) | | ................. 438 Remediation work in the western United States: The UMTRA program ................calcium uranium phosphate from Lake Boga. Victoria, Australia. Aust Mineral 3: 125-131 Borene J, Cesbron F 1970...1994 Alteration of uraninite from the Nopal I deposit, Peiia Blanca District, Chihuahua, Mexico, compared...high as -0.75 in uraninite from the Cigar Lake U deposit in northern Saskatchewan, despite reducing to anoxic...anoxic conditions at the depth of the ore deposit (>400 m). Radioactive decay of U in "old" uraninite |  | | Book | | Skinner, editor, Economic Geology, 91-A Yale Station, New Haven, CT 06520 Contents Dedication to...deposits through geologic time. Coverage of major deposit types is by no means complete because in some cases...the base metals, beginning with a giant copper deposit at Udokan. Later, the world s first and some of...possible sample bias. The absence of a given type of deposit from (or very low frequency of occurrence within)...greenstone volcanic asssemblages as at Kambalda, Western Aus¬ tralia (Woodall and Travis, 1969; Ross and |
|
