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| IAEA-TECDOC-361 VEIN TYPE URANIUM DEPOSITS REPORT OF THE WORKING GROUP ON URANIUM GEOLOGY ORGANIZED BY THE...ATOMIC ENERGY AGENCY, VIENNA, 1986 VEIN TYPE URANIUM DEPOSITS IAEA, VIENNA, 1986 IAEA-TECDOC-361 Printed...exploration for uranium deposits over the last decade has added significantly to our knowledge of uranium geology...geology and the nature of uranium deposits. Much of the information that has been developed by government...and publication. With the current cut-back in uranium exploration and research efforts there is a real |
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| n ce Franz J. Dahlkamp Uranium Deposits of the World Europe 123 Uranium Deposits of the World Europe...Europe Franz J. Dahlkamp Uranium Deposits of the World Europe With 327 Figures and 94 Tables Author:...Hartenstein Germany a.hiller@wismut.de Dr. Manfred Schauer Am Hexenberg 8 09224 Chemnitz Germany Günter...Florastraße 17 09131 Chemnitz Germany Udo Zimmermann Am See 16b 01796 Pirna Germany ISBN: 978-3-540-78553-8 ISBN...the contributions of his many associates in the uranium industry, national and international institutions |
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| SURVEY Clay minerals in two south Texas roll-type uranium deposits by R. L. Reynolds, M. B. Goldhaber,... Benavldes deposit.................................................. 12 Lamprecht deposit....................................... 7 3. Ratio of montmorillonite to clay-mineral content plotted against clay-size...5. UoOg content plotted against ratio of montmorillonite to clay-mineral content......................the Benavides deposit....... 10 2. Summary of clay-mineral data from the Lamprecht deposit....... 11 |
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| specimens of Woodrow ore, suggest that sulfide and uranium mineralization were related in time as well as...nearly ubiquitous in the unoxidized sandstone-type uranium deposits of the southern San Juan Basin mineral... in fact, it probably accountsfor most of the uranium in the unoxidized ore deposits. Most of the coffinite...associatedminerals, in the specimenand in the Woodrow deposit as a whole. Stieff, Stern and Sherwood (1956) defined...describe the habit of coffinite from Wcilsendorf, Bavaria. coffinite occurs also in some Tertiary vein deposits |
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| IRON AND MANGANESE IONS IN THE NINGYO-TOGE URANIUM DEPOSIT DISTRICT, SOUTHWEST JAPAN KOJI WATANABE Department...iron and manganese ions in the Ningyo-Toge uranium deposit district, southwest Japan. In: Y. Ogura (Guest-Editor)...299-307. The Ningyo-Toge uranium deposit is one of the typical sedimentary uranium deposits in Japan. In...g e u r a n i u m deposit is a n epigenetic s e d i m e n t a r y t y p e deposit t h a t occurs as thin...the mineral paragenesis of the Ningyo-Toge uranium deposit. within a few metres above the basement where |
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| electrical measurements in uranium exploration; transcript of talk presented at the Uranium-Thorium Research and...electrical measurements in uranium exploration: transcript of talk presented at the Uranium-Thorium Research and...is, in many cases, an extravagant way to find uranium. The per-foot costs may look small, but the final...some type of geochemical variation across the deposit; as figure 1, taken after Rubin's 1971 article...the oxidized side of the deposit to magnetite on the reduced side of the deposit (although there is not |
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| PRELIMINARY REPORT ON THE GEOLOGY OF THE DENNISON-BUNN URANIUM CLAIM, SANDOVAL COUNTY, NEW MEXICO ' By Jennle...Brushy Basin Member < Structural history . 11 Uranium deposit 15 Geometry 9 \ 15 Distribution of elements...elements 22 Mineralogy 26 Origin of the deposit 29 Economic speculations 36 References 38 ii...Schematic cross-section of the outcrop of the j\ uranium-bearing bed in the Westwater Canyon Member of the...Generalized diagrams showing the position of the uranium-bearing sandstone of the Westwater Canyon Member |
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| features of mineralization at the Dongsheng uranium deposit in the northern Ordos Basin (Central China)...accepted 5 February 2010 Abstract The Dongsheng uranium deposit, localized in the northern Ordos Basin in northern...Ordos Basin are the source of uranium for the deposit. The Dongsheng deposit shows the main characteristics...characteristics of a sandstone uranium deposit of interstratal oxidation zone, including specific hydrothermal rock... being confined mainly to the reduction zone. Uranium minerals are predominant high-temperature coffinite |
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| Geochemical and Mineralogical Characterization of Uranium and Thorium Deposits IAEA-TECDOC-1929 Geochemical...Geochemical and Mineralogical Characterization of Uranium and Thorium Deposits Final Report of a Coordinated... GEOCHEMICAL AND MINERALOGICAL CHARACTERIZATION OF URANIUM AND THORIUM DEPOSITS The following States are...ESWATINI ETHIOPIA FIJI FINLAND FRANCE GABON GEORGIA GERMANY GHANA GREECE GRENADA GUATEMALA GUYANA HAITI HOLY...GEOCHEMICAL AND MINERALOGICAL CHARACTERIZATION OF URANIUM AND THORIUM DEPOSITS FINAL REPORT OF A COORDINATED |
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| Amsterdam -- Printed in The Netherlands GENESIS OF URANIUM DEPOSITS IN NEOGENE SEDIMENTARY ROCKS OVERLYING... 1980) ABSTRACT Yilmaz, H., 1981. Genesis of uranium deposits in Neogene sedimentary rocks overlying...metamorphic massif, Turkey. Chem. Geol., 31: 185--210. Uranium deposits in the Kbpriiba§l area of western Turkey...abundant silt and clay and are in beds of sandstone. Uranium is present as a matrix impregnation in tabular...near exposures of metamorphic basement rocks. Uranium in the ilmenite-rich type is disseminated uniformly |
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| Formation Conditions of Paleovalley Uranium Deposits Hosted in Upper Eocene–Lower Oligocene Rocks of Bulgaria...Russia Received December 9, 2014 Abstract—The uranium deposits of Bulgaria related to the Late Alpine...paleovalley deposits related to the basins filled with upper Eocene–lower Oligocene volcanic–sedimentary rocks...alteration of rocks, mineralogy and geochemistry of uranium ore are exemplified in thoroughly studied paleovalley...the detailed data on paleovalley uranium deposits hosted in the upper Eocene tuffaceous–sedimentary basins |
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| ARGILLIC ALTERATION AND URANIUM EMPLACEMENT ON THE COLORADO PLATEAU by PAUL F. KERR AND MARIAN B....Argillic alteration is recognized in association with uranium deposits on the Colorado Plateau and along border...in breccia pipes. Occasional diatremes bearing uranium point to hypogene'solution activity following igneous...igneous invasion as one original source for uranium ions. In several places ascending fluids apparently...silica or carbonate precipitation accompanies uranium. Where found, well-marked masses of carbonate or |
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| Springer-Verlag 1982 Geochemistry of Clay Minerals for Uranium Exploration in the Grants Mineral Belt, New Mexico...mixed-layer illiie-montmorillonite, (+ Mg-montmorillonite) are penecontemporaneous with uranium minerals in...characterized by a greater abundance of Na-montmorillonite, kaolinite, and face-to-edge form chlorite...others, however, and the problem is unresolved. Uranium for the deposits was most likely carried in solution...chemistry can be used to address the problems of uranium transport and precipitation (see summary in Brookins |
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| BOREHOLE GEOPHYSICAL INFORMATION ACROSS A URANIUM DEPOSIT IN THE JACKSON GROUP, KARNES COUNTY, TEXAS... Abstract,. Borehole geophysical studies across a uranium deposit in the Jackson Group, South Texas, show the...geochemical environments often associated with uranium roll-type deposits: an altered (oxidized) zone...indicated by the geophysical and geologic well logs. Uranium exploration in the South Texas Coastal Plain area...Eocene age (Eargle and others, 1971). Most of the uranium mineralization in these formations is low grade |
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| dominance of illite with subordinate amount of montmorillonite. Moreover, low abundance of kaolinite is also...authigenic clay compositions showed felsic affinity. Montmorillonite and illite predominated in the eastern and...variable proportions in all the horizons. The montmorillonite identified by basal (003) reflections at 5.1...dissolution test of Brown (1961). Presence of montmorillonite in KON-3, KON-5 A, DEW-2 and ferruginous breccia...(DEW-2, KON-3, KON5 A samples) show prominent montmorillonite peaks (Fig. 5c) with mixed-layer I/S (DEW-2 |
 | Kochkin, B. T., Tarasov, N. N., Andreeva, O. V., Asadulin, En. E., Golubev, V. N. (2017) Polygenetic and polychronic uranium mineralization at deposits of the Khiagda ore field, Buryatia. Geology of Ore Deposits, 59 (2) 141-155 doi:10.1134/s1075701517020015 | Journal (article/letter/editorial) |
| 2, pp. 124–140. Polygenetic and Polychronic Uranium Mineralization at Deposits of the Khiagda Ore Field...combination of several exogenic processes augmenting uranium mineralization followed one another in time at...Khiagda ore field and gave rise to the formation of uranium resources exceptional for the paleovalley geologic... DOI: 10.1134/S1075701517020015 INTRODUCTION Uranium deposits of the Khiagda ore field (KOF) are related...type, which differs from other sandstone-hosted deposit type primarily in linear shape and small dimensions |
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| Franz J. Dahlkamp Uranium Ore Deposits With 161 Figures and 55 Tables Springer-Verlag Berlin Heidelberg...Franz J. Dahlkamp OlbergstraBe 10 D-5307 Wachtberg Germany ISBN 978-3-642-08095-1 Library of Congress Cataloging...Cataloging in Publication Data Dahlkamp, Franz J. Uranium ore deposits / Franz J. Dahlkamp. Includes bibliographical...978-3-662-02892-6 (eBook) DOI 10.1007/978-3-662-02892-6 1. Uranium ores. I. Title TN490.U7D28 1991 553.4'932 - dc20...nuclear energy is information on uranium ore deposits from which uranium can be economically exploited. |
 | Ballouard, C., Poujol, M., Mercadier, J., Deloule, E., Boulvais, P., Baele, J. M., Cuney, M., Cathelineau, M. (2018) Uranium metallogenesis of the peraluminous leucogranite from the Pontivy-Rostrenen magmatic complex (French Armorican Variscan belt): the result of long-term oxidized hydrothermal alteration during strike-slip deformation. Mineralium Deposita, 53 (5) 601-628 doi:10.1007/s00126-017-0761-5 | Journal (article/letter/editorial) |
| Deposita DOI 10.1007/s00126-017-0761-5 ARTICLE Uranium metallogenesis of the peraluminous leucogranite...Accepted: 13 August 2017 # Springer-Verlag GmbH Germany 2017 Abstract In the French Armorican Variscan...crystallization of magmatic uranium oxide in the more evolved facies was followed by uranium oxide leaching during...alteration and/or surface weathering. U-Pb dating of uranium oxides from the deposits reveals that they mostly...surface-derived oxidized fluids leached magmatic uranium oxide from fertile leucogranite and formed U deposits |
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| clay–water interfaces: Mechanisms for the retention of uranium by altered clay surfaces on the nanometer scale...within confined pore spaces of the clay minerals montmorillonite and kaolinite and in the surrounding tailings...likely formed in the sedimentary basin of the U-ore deposit and contain low amounts of Fe (<5 at.%). Iron-enriched...in waste barrier systems such as in constructed Uranium mine and mill tailings facilities (Bouazza et al...1992). In the case of the common clay minerals montmorillonite, (Na, K, Ca)0.33[(Al, Mg, Fe)2((Al,Si)4O10(OH)2](H2O)n |
 | Shi, Zhiqiang, Chen, Bin, Wang, Yanyan, Hou, Mingcai, Jin, Xin, Song, Hao, Wang, Xiaoduan (2020) A linkage between uranium mineralization and high diagenetic temperature caused by coal self-ignition in the southern Yili Basin, northwestern China. Ore Geology Reviews, 121. 103443 doi:10.1016/j.oregeorev.2020.103443 | Journal (article/letter/editorial) |
| Journal Pre-proofs A linkage between uranium mineralization and high diagenetic temperature caused by...Hou, X. Jin, H. Song, X. Wang, A linkage between uranium mineralization and high diagenetic temperature...Published by Elsevier B.V. A linkage between uranium mineralization and high diagenetic temperature... host several sandstone-hosted uranium deposits. The Jurassic uranium-enriched white sandstones are in...compositions of sediments from the oxidized, the uranium-enriched transitional and the reduced zones were |
 | Dobson, Patrick F., Fayek, Mostafa, Goodell, Philip C., Ghezzehei, Teamrat A., Melchor, Felipe, Murrell, Michael T., Oliver, Ronald, Reyes-Cortés, Ignacio A., De La Garza, Rodrigo, Simmons, Ardyth (2008) Stratigraphy of the PB-1 Well, Nopal I Uranium Deposit, Sierra Peña Blanca, Chihuahua, Mexico. International Geology Review, 50 (11) 959-974 doi:10.2747/0020-6814.50.11.959 | Journal (article/letter/editorial) |
| com/loi/tigr20 Stratigraphy of the PB-1 Well, Nopal I Uranium Deposit, Sierra Peña Blanca, Chihuahua, Mexico a b...(2008) Stratigraphy of the PB-1 Well, Nopal I Uranium Deposit, Sierra Peña Blanca, Chihuahua, Mexico, International...reserved. Stratigraphy of the PB-1 Well, Nopal I Uranium Deposit, Sierra Peña Blanca, Chihuahua, Mexico PATRICK... Abstract The Nopal I site in the Peña Blanca uranium district has a number of geologic and hydrologic...PB-1 well was drilled in 2003 at the Nopal I uranium deposit as part of a DOE-sponsored natural analogue |
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| to many doctoral candidates. Topics range from uranium, vanadium and clay mineral studies, to geochemistry...2. URANIUM INVESTIGATIONS 51 69 71 Mineralogy and Geology of Texaco's Hobson Uranium Deposit, Karnes... . . . . CLAY MINERAL INVESTIGATIONS 8. 31 Uranium, Rare Earth and Iron Mineralization in Pegmatite...Ore Microscopy and Genesis of the Copper-Shale Deposit at Creta, Oklahoma. R.D. Hagni and D.E. Gann ...contributions concerned tungsten, porphyry copper, and uranium deposits . His work with gemstones, dumortierite |
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| 2 The Upper Devonian to Carboniferous Mt Eclipse Sandstone is a basin-wide host to uranium mineralisation...of the Mt Eclipse Sandstone at the Bigrlyi uranium deposit on the northern margin of the basin are deduced...~10 km strike length. The succession hosting the uranium mineralisation is interpreted to be deposited in...of early diagenetic clay minerals such as montmorillonite. This paper is the first to report on a systematic...framework to support exploration for sediment-hosted uranium deposits is established. KEYWORDS: Ngalia Basin |
 | Neiva, Ana Margarida Ribeiro, de Carvalho, Paula Cristina Simões, Antunes, Isabel Margarida Horta Ribeiro, da Silva Cabral Pinto, Marina Marques, dos Santos, António Carlos Tavares, Cunha, Pedro P., Costa, Maria Mafalda (2016) Spatial variability of soils and stream sediments and the remediation effects in a Portuguese uranium mine area. Geochemistry, 76 (4) 501-518 doi:10.1016/j.chemer.2016.08.003 | Journal (article/letter/editorial) |
| sediments and the remediation effects in a Portuguese uranium mine area Ana Margarida Ribeiro Neiva a,b,∗ , Paula...Accepted 10 August 2016 Keywords: Uranium Thorium Arsenic Uranium mine Spatial distribution Soils Stream...Contamination a b s t r a c t The old Senhora das Fontes uranium mine, located in central Portugal, was closed down...different effects to the health and environment. Uranium is a potential environmental pollutant. Moderate...about 58 uranium deposits, which were abandoned (Pinto and Silva, 2005). In some of them, uranium ore was |
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| granitic chemistry rock and fracture in the Tono uranium mine mineralogy area, in the basement Gifu...deep underground which preserved the Tono uranium deposit. Geological studies revealed that fracture...zones consist mainly of clay minerals such as montmorillonite. Hydrogen and oxygen isotopic data show that...Mg2+) ion exchange reaction occurs between the montmorillonite and groundwater. The chemical evolution of... and by the ion exchange reaction between montmorillonite in the fractured zones and groundwater. In-situ |
