 | | Journal (article/letter/editorial) | | closed-system behaviour of both radiogenic and fissiogenic uranium daughter products. (2) Replacement of pitchblendes...U-oxides should be characterized by four concordant uranium daughter ages. Pb loss by pitchblendes is normally...diverse pitchblendes or other U phases such as coffinite, samples were obtained from polished sections...of dissolved uranium nitrate, no further chemical separation was necessary for uranium. U and Pb were...Tiraun (Graubiinden, Switzerland), Forstau and Rauris (Salzburg, Austria), Camie River (Quebec, Canada) and |  | | Book | | 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:...the contributions of his many associates in the uranium industry, national and international institutions...contributed during discussions, field trips, and mine visits. As cited in the text, many colleagues provided...Hruby (Czech Republic), E. Kirchner (Austria), B. Kirchner (Austria), J. KomĂnek (Czech Republic), I. Bojkov |  | | Journal (article/letter/editorial) | | 4744150).The name is for the Arhbar mine in the Bou-Azzer district. A.P. Microprobe analyses from Vuonnemiok...euhedral, hexagonalgrains up to LasambaHill, Kwale district, southof Voi, Kenya, and is found 50 rr.m.It is...and Ahmeek mines, Michigan as well as the Kamioka mine, Japan from whenceit takesits name.J.D.G. Loudounite*...member of the dufr6nite group. ite from the Ojuela mine, together with kdrtigite and adamite. Type material...E.K. gaveSiO248.74,Fe2O32.70,MnO25.63, (1981) Uranium silicatesfrom two deposits in MgO 0.05,CaO2.l1 |  | | Report (issue) | | IAEA TECDOC SERIES Geological Classification of Uranium Deposits and Description of Selected Examples ...IAEA-TECDOC-1842 Geological Classification of Uranium Deposits and Description of Selected Examples ...ISSN 1011–4289 @ GEOLOGICAL CLASSIFICATION OF URANIUM DEPOSITS AND DESCRIPTION OF SELECTED EXAMPLES ...ANTIGUA AND BARBUDA ARGENTINA ARMENIA AUSTRALIA AUSTRIA AZERBAIJAN BAHAMAS BAHRAIN BANGLADESH BARBADOS... IAEA-TECDOC-1842 GEOLOGICAL CLASSIFICATION OF URANIUM DEPOSITS AND DESCRIPTION OF SELECTED EXAMPLES |  | | Report (issue) | | Uranium Ore in the Mariano LakeLake Valley Cores and the Genesis of Coffinite in the Grants Uranium Region...169, 1961 Stout St. LOS ANGELES, California-Federal Eldg., Rm. 7638.300 N. Los Angeles St. MENLO PARK, California-Bldg...8105,125 South State St. SAN FRANCISCO, California-Customhouse, Rm. 504,555 Battery St. SPOKANE, Washington-U... ANCHORAGE, Alaska-Federal Bldg, Rm. E-146,701 C St. Maps For maps, address mail orders to U.S. Geological... Chapter A Uranium Ore in the Mariano LakeLake Valley Cores and the Genesis of Coffinite in the Grants |  | | Report (issue) | | IAEA-TECDOC-1629 World Distribution of Uranium Deposits (UDEPO) with Uranium Deposit Classification 2009 Edition... IAEA-TECDOC-1629 World Distribution of Uranium Deposits (UDEPO) with Uranium Deposit Classification 2009 Edition...100 1400 Vienna, Austria WORLD DISTRIBUTION OF URANIUM DEPOSITS (UDEPO) WITH URANIUM DEPOSIT CLASSIFICATION...IAEA in Austria October 2009 FOREWORD Having comprehensive information on the worldwide uranium deposits...published numerous reports on different types of uranium deposits, their geological characteristics and |  | | Book | | Franz J. Dahlkamp Uranium Ore Deposits With 161 Figures and 55 Tables Springer-Verlag Berlin Heidelberg...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....to present an overview of uranium geology, data characteristic for uranium deposits, and a synthesis |  | | Journal (article/letter/editorial) | | Classification of Uranium Deposits IF. J. Dahlkamp A listing of the recognized types of uranium mineralization...prevalent geological environments, i.e.i, the primary uranium occurrences formed by endogenic processes, 2. the...of the uranium during the metamorphosis and thereby the metallogenesis of this tertiary uranium generation...correlation of the uranium deposits shows that a distinct affinity of the uranium exists to certain geologic...Upper Proterozoic. Various classifications of uranium deposits have been published in the past. Maucher |  | | Book | | 1: Introduction • Discovery and Exploitation of Uranium and Thorium ......... ......... ..... ...........Characteristics of Radioactive Deposits • Geochemistry of Uranium and Thorium ........................ 11 • Classification...intended to serve as an introduction to the world of uranium and thorium minerals for the serious student or...of radioactive elements and the development of uranium and thorium ore deposits. Next, the geochemical...containing essential uranium or thorium; and 4. Minerals that may contain uranium or thorium as significant |  | KĹ™Ăbek, Bohdan, Žák, Karel, Dobeš, Petr, Leichmann, JaromĂr, Pudilová, Marta, RenĂ©, Miloš, Scharm, Bohdan, Scharmová, Marta, Hájek, AntonĂn, Holeczy, Daniel, Hein, Ulrich F., Lehmann, Bernd (2009) The RoĹľná uranium deposit (Bohemian Massif, Czech Republic): shear zone-hosted, late Variscan and post-Variscan hydrothermal mineralization. Mineralium Deposita, 44 (1) 99-128 doi:10.1007/s00126-008-0188-0 | Journal (article/letter/editorial) | | 10.1007/s00126-008-0188-0 ARTICLE The RoĹľná uranium deposit (Bohemian Massif, Czech Republic): shear...mineralization events are recorded at the RoĹľná uranium deposit (total mine production of 23,000 t U, average grade...pre-uranium quartz-sulfide and carbonate-sulfide mineralization, (2) uranium, and (3) post-uranium qu...white mica from wall rock alteration of the pre-uranium mineralization style range from 304.5±5.8 to 307...paragenetic, and isotope data suggest that the pre-uranium mineralization formed from a reduced lowsalinity |  | | Journal (article/letter/editorial) | | mineralization is represented by uraninite, U-Ti oxides, coffinite, molybdenite, chalcopyrite, tennantite and pyrite...accompanied by uranium mineralization in France, Switzerland, Italy, Yugoslavia, Austria, Hungary, CSFR...Autoradiograph of cross-stratified sandstone with uranium mineralization. B Autoradiograph of conglomerate...conglomerate with quartz fragments (black) and uranium mineralization in the matrix (white). C Uraninite rims (ur)...by uraninite (ur) in the central part and by coffinite (cO in the external part. SEM. ! Tennantite (tn) |  | RenĂ©, Miloš, DolnĂÄŤek, ZdenÄ›k, Sejkora, JiĹ™Ă, Ĺ kácha, Pavel, Ĺ rein, VladimĂr (2019) Uraninite, Coffinite and Ningyoite from Vein-Type Uranium Deposits of the Bohemian Massif (Central European Variscan Belt) Minerals, 9 (2) 123 doi:10.3390/min9020123 | Journal (article/letter/editorial) | | minerals Article Uraninite, Coffinite and Ningyoite from Vein-Type Uranium Deposits of the Bohemian Massif...Uraninite-coffinite vein-type mineralisation with significant predominance of uraninite over coffinite occurs...PotuĚŠcĚŚky, ZálesĂ and PrĚŚedborĚŚice uranium deposits. These uranium deposits are hosted by faults that...features and the chemical composition of uraninite, coffinite and ningyoite were studied using an electron microprobe...microprobe. Collomorphic uraninite was the only primary uranium mineral in all deposits studied. The uraninites |  | | Report (issue) | | ENVIRONMENTS OF SANDSTONE-TYPE URANIUM DEPOSITS REPORT OF THE WORKING GROUP ON URANIUM GEOLOGY ORGANIZED BY THE...SANDSTONE-TYPE URANIUM DEPOSITS IAEA, VIENNA, 1985 IAEA-TECDOC-328 Printed by the IAEA in Austria March 1985...Wagramerstrasse 5 P.O. Box 100 A-1400 Vienna, Austria Orders should be accompanied by prepayment of Austrian...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 |  | | Thesis/Dissertation | | PARAGENESIS OF URANIUM MINERALS IN THE GRANTS MINERAL BELT, NEW MÉXICO: APPLIED GEOCHEMISTRY AND THE...THE DEVELOPMENT OF OXIDIZED URANIUM MINERALIZATION Samantha Caldwell Submitted in Partial Fulfillment...consideration for inexpensive in-situ recovery (ISR) of uranium. This study focuses on providing a preliminary...other minerals associated with sandstone-hosted uranium. Thin section and polished-block petrography, and...mineralization from the Jackpile-Paguate and St. Anthony mines identify coffinite [generally U(SiO4)1-x(OH)4x] as |  | | Book (edition) | | Mineralogisches Institut, Universität Heidelberg, Im Neuenheimer Feld 236, D-69120 Heidelberg, Germany...commonly filled with secondary minerals. Left: Coffinite (darker grey) with hematite (lighter grey) in...5 dark grey; 4 Internal Twinning Reflect. Coffinite Chrysocolla Muscovite isotropic, many scratches... Mineral Descriptions Molybdenite in Graphite; Bogala Mine, Sri Lanka 51 Copper, native Synonym(s): Cuivre...of cuprite (bluish grey); North Mine (North Broken Hill Mine; NBH Mine), Broken Hill, Yancowinna Co., |  | | Report (issue) | | DEPARTMENT OF THE INTERIOR GEOLOGICAL SURVEY PRINCIPAL URANIUM DEPOSITS OF THE WORLD By V. P. Byers Open-File...Parallelism of Precambrian iron and uranium deposits.... Uranium provinces and districts...............Greece............................................. Austria............................................ Romania...Figure 5. Figure 6. Figure 7. Figure 8. Figure 9. Uranium deposits in Precambrian host rocks near the "iron..."iron band".......................... Uranium deposits in host rocks of all ages near the "iron band". |  | 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 | | Uranium geochemistry, mineralogy, geology, exploration and resources Edited by B. De Vivo, F. Ippolito...Portland Place London WI England Introduction The uranium minerals that today are at the centre of worldwide...an oxide of an unknown metal, which he called 'uranium' in honour of the planet Uranus, recently discovered...the metal, but, in fact, the attempt failed, and uranium, given its strong affinity with oxygen, was not...experiment, however, was not given much importance in uranium history because, initially, there was little interest |  | | Journal (article/letter/editorial) | | the uranium silicate coffinite indicates that the mineral is similar to the synthetic coffinite, prepared...association of indurated uranium-bearing "asphaltite" and the uranium silicate coffinite suggests that the two...the uranium silicate cofinite. Hydrothermal origin is beiieved to prevail both for the coffinite and...associated uranium "asphaltite." INrnotucrroN The widespread asphaltic associationof uranium has long...the uranium and the temperature of formation. Gott and Erickson (Ig52) have suggestedthat uranium might |  | KohĂşt, M., TrubaÄŤ, J., NovotnĂ˝, L., Ackerman L, ., Demko, R., BartalskĂ˝, B., Erban, V. (2013) Geology and Re-Os molybdenite geochronology of the Kurišková U-Mo deposit (Western Carpathians, Slovakia) Journal of GEOsciences, 58 (3) 271-282 | Journal (article/letter/editorial) | | principal ore-forming minerals are uraninite, coffinite, molybdenite and apatite with rare orthobrannerite...grabens under predominantly arid climate. Many uranium mineralization occurrences displaying spatial relationship...volcanosedimentary sequences are known in France, Italy, Austria, Slovakia, Hungary, and Romania (Petrascheck et...to shallow marine products. The most important uranium mineralization types in the Western Carpathians...the rocks of Permian age. Low-grade stratiform uranium mineralization was originally formed due to adsorption |  | | Book | | - [ URANIUM GUIDEBOOK FOR THE PARADOX BASIN, UTAH AND COLORADO TABLE OF CONTENTS Page THE PARADOX BASIN...ORE BODIES URANIUM DISTRICTS AND MINING AREAS SLICK ROCK DISTRICT GYPSUM VALLEY DISTRICT BULL CANYON...CANYON DISTRICT URAVAN DISTRICT GATEWAY DISTRICT (EASTERN GATEWAY AREA) MC ELMO CREEK DRAINAGE AREA LA SAL...AREA PARADOX DISTRICT BEAVER AND POLAR MESAS LISBON VALLEY (BIG INDIAN) DISTRICT MOAB DISTRICT GREEN RIVER...RIVER DISTRICT THOMPSONS DISTRICT INTER-RIVER REGION RICHARDSON-DEWEY AREA LOWER KANE SPRINGS AREA INDIAN |  | | Report (issue) | | IAEA-TECDOC-361 VEIN TYPE URANIUM DEPOSITS REPORT OF THE WORKING GROUP ON URANIUM GEOLOGY ORGANIZED BY THE... VEIN TYPE URANIUM DEPOSITS IAEA, VIENNA, 1986 IAEA-TECDOC-361 Printed by the IAEA in Austria January...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 |  | | Report (volume) | | Systematic Mineralogy Of Uranium And Thorium By CLIFFORD FRONDEL GEOLOGICAL SURVEY BULLETIN 1064...Frondel, Clifford, 1907Systematic mineralogy of uranium and thorium. Washington, U. S. Govt. Print. Off..." Bibliography: p. 361-396. 1. Uranium ores. 2. Thorium. 3. Uranium ores-Bib!. 4. Thorium-Bib!. I. Title...Title. II. Title: Mineralogy of uranium and thorium. (Series) QE75.B9 no. 1064 549.74 -----Copy 2...broad and intensive study of the mineralogy of uranium and thorium as part of its program of investigation |  | | Journal (article/letter/editorial) | | The two-mica granites which host the two main uranium deposits from the northwestern Massif Central,...episyenitization, and 100-150°C for the quartz-coffinite-montmorillonite-adularia stage), the REE patterns...episyenitization", pitchblende-pyrite stage, quartz- coffinite-marcasite- montmorillonite- adularia stage and...first alteration which occurs in place within the St. Sylvestre granite and is controlled by shear zones...COe may originate from organic materials. The uranium precipitation results from a boiling of the fluids |  | | Journal (article/letter/editorial) | | 1962 PROPERTIES AND PARAGENESIS OF COFFINITE FROM FROM THE WOODROW MINE, NEW MEXICO1 Roennr H. MonNcu, U...Aesrnec:r Well-crystallized coffinite found as a vug filling in the Woodrow mine, New Mexico is botryoidal...birefringence is less than 0.01 and variable. coffinite is associated with pyrite, barite, small amounts...sulfide and uranium mineralization were related in time as well as in space' fNrnopucrroN Coffinite (probably...nearly ubiquitous in the unoxidized sandstone-type uranium deposits of the southern San Juan Basin mineral |  | | Journal (article/letter/editorial) | | SEPTEMBEI{_OCTOBER, 1956 Nos. 9 and 10 WITH HYDROXYL COFFINITE, A URANOUS SIICATE SUBSTITUTION: A NEW XIINERAL*...Reuben clare coffin, has been found in more than 25 uranium deposits in the sedimentary rocks of the colorado...with uraninite in vein depositsin the copper King mine, Larimer county, colorado. It is also associatedwith...uraninite are the main uranium minerals in the unoxidized ore. In hand specimen coffinite is black; many of...resembling that of a high-rank coal. On the Plateau, coffinite occurs as replacements of organic material, as |
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