 | Plášil, J., Sejkora, J., Čejka, J., Škoda, R., Goliáš, V. (2009) Supergene mineralization of the Medvědín uranium deposit, Krkonoše Mountains, Czech Republic. Journal of GEOsciences, 54 (1) 15-56 | Journal (article/letter/editorial) | | paper Supergene mineralization of the Medvědín uranium deposit, Krkonoše Mountains, Czech Republic† Jakub...Supergene mineralization of the hydrothermal vein uranium deposit Medvědín (Krkonoše Mts., northern Bohemia)...autunite/metaautunite, dewindtite, churchite-(Y), kasolite, new unnamed phase Pb(Ce,REE)3(PO4)3(OH)2 . nH2O, parsonsite...plumbogummite, pseudomalachite, pyromorphite, saléeite, torbernite/metatorbernite and uranophane were...alteration of the primary uranium mineralization. Keywords: supergene minerals, uranium, XRD, EPMA, infrared |  | | Journal (article/letter/editorial) | | that of anionic clays known as hydrotalcites. The uranium is bound in uranyl phosphate or uranyl arsenate...1956) and saléeite is the phosphate equivalent often found in Australian Uranium deposits (Miller & Taylor...Aldama Chihuahua, Mexico M42797 Sabugalite, El Loba Mine, La Hoba, Don Benito District, Badajoz, Spain...Spain M45673 Saléeite, ERA Ltd Ranger Uranium Deposit No. 3 Pit, Jabiru, Northern Territory, Australia 148... 148 R. L. Frost M38558 Saléeite, South Alligator River, Northern Territory, Australia M27808 Torbernite |  | | Journal (article/letter/editorial) | | 2018 Abstract: The Rabejac uranium deposit that is located in the Lodève region, France...present study, a mineralogical description as well as new chemical and crystallographic data are reported on...date, more than 250 mineral species containing uranium as a main structural element are reported in nature...are important in the control of the mobility of uranium in groundwater under neutral and alkaline conditions...Rabejac are common with those observed in the other uranium mines of the Lodève basin. However, the Rabejac |  | | Journal (article/letter/editorial) | | and the huge conglomerate-hosted gold and uranium deposits of the Witwatersrand, South Africa. These...pressures of O2 in the atmosphere, a vast array of new minerals became possible. Essentially any element...origin of the uraninite, pyrite, and gold in these deposits, substantial evidence supports a modified placer...characteristics of the uraninite, pyrite, and gold in the deposits point to deposition as detrital grains * Department... Johns Hopkins University, Baltimore, MD 21218, USA, and Geophysical Laboratory, Carnegie Institution |  | Pinto, André Jorge, Gonçalves, Mário A., Prazeres, Cátia, Astilleros, José Manuel, Batista, Maria João (2012) Mineral replacement reactions in naturally occurring hydrated uranyl phosphates from the Tarabau deposit: Examples in the Cu–Ba uranyl phosphate system. Chemical Geology, 312. 18-26 doi:10.1016/j.chemgeo.2012.04.004 | Journal (article/letter/editorial) | | rights reserved. 1. Introduction The mobility of uranium in the environment has recently received increasing...storage system for high level nuclear waste in the USA, until recent termination of development funding...of such sites requires a deep understanding of uranium geochemistry and mineralogy under a wide range...important aspect involving long-term behavior of uranium in the environment concerns the development of...inorganically trigger the formation of insoluble uranium-bearing phases in oxidative conditions, is an option |  | Suzuki, Y., Sato, T., Isobe, H., Kogure, T., Murakami, T. (2005) Dehydration processes in the meta-autunite group minerals meta-autunite, metasaléeite, and metatorbernite. American Mineralogist, 90 (8) 1308-1314 doi:10.2138/am.2005.1568 | Journal (article/letter/editorial) | | distinct thermodynamic properties. INTRODUCTION Uranium mobility in near-surface settings is mainly controlled...between soluble hexavalent uranium [U(VI)] and insoluble tetravalent uranium [U(IV)] (Langmuir 1978; Klinkhammer...U(IV)-bearing minerals results in mobilization of uranium due to formation of uranyl carbonate complexes...complexes (Langmuir 1978). In a wide range of uranium deposits, uranyl ions released from U(IV)-bearing minerals...important roles in long-term immobilization of uranium. To remediate contaminated groundwaters, sediments |  | | Journal (issue) | | KRISTALLE Est.1971 Laguna Beach, California, USA • Tel: +1 949 494 5155 • Email: info@kristalle.com...crystals, 9 cm, from the Laohuan mine, Gongcheng County, Guangxi, China. Federico Pezzotta (MCP) specimen;...only): $139/one year (Canada) $231/one year, (outside USA other than Canada) $325 for one year Subscription...Minerals, our retail gallery located in the heart of New York City. www.MardaniFineMinerals.com CRYSTAL...(Haiyangshan) east of Guilin City in Gongcheng County, Zhuang Autonomous Region of Guangxi Province, |  | | Journal (article/letter/editorial) | | of U-bearing minerals from the Vale de Abrutiga uranium mine area, Central Portugal Marina M. S. Cabral...retention within the quartz veins, leading to the uranium phosphate mineralization. Saleeite and meta-saleeite...increase in the understanding of uranium mineralogy and geochemistry, and many new species have been discovered...aspects of uranium in natural systems, and provided insight into important applications of uranium mineralogy...(2003) discussed the origin of Portuguese uranium ore deposits. Cabral Pinto & Silva (2007) presented a |  | | Book | | of the classification of oxidation zones of uranium deposits, researcher-romantic, passionate about scientific...underexplored uranium ore mineralization—uranium blacks/soots and its minerals of tetravalent uranium. Regularities...Regularities of hypergene uranium mineralization, combining all types of ores, are generalized and schematized...zone. Examples of different genetic types of uranium deposits, where U-blacks are the mineralization of...analytical electron microscopy (AEM). New data on minerals of tetravalent uranium are obtained; for the first time |  | Lobeck, Haylie L., Balboni, Enrica, Parker, Connor J., Kohlgruber, Tsuyoshi A., Xu, Mengyu, Boukdad, Sara, Ridder, Henry M., Traustason, Hrafn, Isner, Jordan K., Dzik, Ewa A., Burns, Peter C. (2020) Dissolution of poorly soluble uranyl phosphate phases in the Metaautunite Subgroup under uranyl peroxide cage cluster forming conditions. American Mineralogist, 105 (2) 182-193 doi:10.2138/am-2020-7106 | Journal (article/letter/editorial) | | Uranyl phosphate minerals are widespread in uranium deposits and normally exhibit very low solubility in...and metaautunite subgroup impact the mobility of uranium in the environment and have inspired groundwater...their low solubility. The importance of soluble uranium-bearing macro-anions, including nanoscale uranyl...relative to solubilization of normally low-solubility uranium minerals. Eight synthetic analogs of metaautunite...hydrated radii, Li+ and Na+. The details of the uranium speciation in solution depended on the pH and counter |  | Munasinghe, P. Sumudu, Elwood Madden, Megan E., Brooks, Scott C., Elwood Madden, Andrew S. (2015) Dynamic interplay between uranyl phosphate precipitation, sorption, and phase evolution. Applied Geochemistry, 58. 147-160 doi:10.1016/j.apgeochem.2015.04.008 | Journal (article/letter/editorial) | | minerals can maintain extremely low levels of aqueous uranium in groundwaters due to their low solubility. Therefore...μM U and 1-800 μM P. All experiments ended with uranium concentrations below the USEPA MCL for U, but with...with 2-3 1 orders of magnitude difference in uranium concentrations. Despite the presence of many cations...solution equilibria demonstrated that aqueous uranium concentrations in the experimental systems evolved...phases by influencing solution chemistry. Aqueous uranium concentrations consistent with partially dehydrated |  | | Book (edition) | | thirty-five scientific papers and discovered sixteen new mineral species, naming two of them after his co-authors...co-authors. A graduate of Michigan College of Mining and Technology (now Michigan Technological University)...a member of the faculty of Michigan College of Mining and Technology for three years, leaving that position...He has discovered and helped to describe several new Arizona minerals which appear in this volume. For...noted for computer applications in geology and mining engineering. The authors and publisher express |  | Ferenc, Štefan, Števko, Martin, Mikuš, Tomáš, Milovská, Stanislava, Kopáčik, Richard, Hoppanová, Eva (2021) Primary Minerals and Age of The Hydrothermal Quartz Veins Containing U-Mo-(Pb, Bi, Te) Mineralization in the Majerská Valley near Čučma (Gemeric Unit, Spišsko-Gemerské Rudohorie Mts., Slovak Republic) Minerals, 11 (6) 629 doi:10.3390/min11060629 | Journal (article/letter/editorial) | | valley near Čučma, about 7 km to the NNE of the district town of Rožňava (Eastern Slovakia). Mineralization...granite-related (perigranitic) mineralization. Keywords: uranium; vein mineralization; uraninite; molybdenite; sulphotellurides;...vicinity of the Čučma village, north of the district town Rožňava (Eastern Slovakia), were, in the...Supergene minerals are represented by bassetite, saléeite, autunite, torbernite, zeunerite, phosphuranylite...the Permian S-type granite magmatism and brings new insights into the issue of the Western Carpathians |  | | Journal (article/letter/editorial) | | associated minerals in the Koprubasi (Manisa) uranium deposit, Turkey Hulya Kacmaz, Peter C. Burns PII:...associated minerals in the Koprubasi (Manisa) uranium deposit, Turkey, Ore Geology Reviews (2017), doi:...associated minerals in the Koprubasi (Manisa) 2 uranium deposit, Turkey 3 4 5 Hulya Kacmaz a, * , Peter...Biochemistry, Notre Dame, Indiana, USA 12 13 Abstract 14 15 The Koprubasi uranium deposit is the known largest...largest uranium deposits in Turkey. 16 Uranium mineralization is hosted in Neogene fluvial sediments that |  | | Report (issue) | | 31 University of Nevada Press, Reno, Nevada 89557 USA Copyright © 2004 by University of Nevada Press Photographs...copyright © 2004 unless otherwise noted Map of Mining Districts and significant mineral occurrences of...6-cm cluster, Majuba Hill Mine, Antelope district, Pershing County. N. Prenn collection. Photograph by J...production of environmental protection equipment. Mining and the discovery, identification, and development...to Nevada in 1929 and was actively involved in mining in the state and the western U.S. for the rest |  | | Journal (article/letter/editorial) | | com/locate/apgeochem Biogeochemical aspects of uranium mineralization, mining, milling, and remediation Kate M. Campbell...Street, Boulder, CO 80303, USA USGS, Denver, CO, USA c USGS, Reston, VA, USA d Department of Environmental...Technology, University of Maryland, College Park, MD, USA b a r t i c l e i n f o Article history: Available...Available online xxxx a b s t r a c t Natural uranium (U) occurs as a mixture of three radioactive isotopes:...economic importance of U increased greatly. The mining and milling of U-bearing ores is the first step |  | | Journal (issue) | | pocket in 1955 at least 25 others were found as mining progressed. The contents of these, which ranged...October 26, 1972—A bright, clear day. We worked the new pocket very carefully, by hand, and extracted a large...Colorado, and their most publicized effort, the mining of variscite nodules at Fairfield, Utah (the type...so Frank was quite familiar with techniques for mining it. After a careful examination of the quarry,...three-eighths-inch section of fine quality. Now wild horses couldn’t tear me from the pit! “The pocket |  | Rey, A., Utsunomiya, S., Gimenez, J., Casas, I., de Pablo, J., Ewing, R. C. (2009) Stability of uranium (VI) peroxide hydrates under ionizing radiation. American Mineralogist, 94 (2) 229-235 doi:10.2138/am.2009.2908 | Journal (article/letter/editorial) | | Volume 94, pages 229–235, 2009 Stability of uranium (VI) peroxide hydrates under ionizing radiation...during the alteration of uraninite in natural uranium deposits under oxidizing conditions. Because of the...Murakami 1999; Bruno and Ewing 2006), and also uranium peroxides (McNamara et al. 2003; Amme et al. 2002;...crystal of studtite, from the Krunkelbach Valley uranium deposit, Menzenschwand, Black Forest, Baden-Württemberg...Schoepite* (natural) 510 Carnotite*(natural) 890 Saléeite* (natural) 3900 Boltwoodite* (natural) 3700 Kasolite*(natural) |  | | Journal (issue) | | All rights reserved. The memory of the Earth – New tools to retrieve the information. To unravel the...precision and high sensitivity are the keys. The new Plus features of the Thermo Scientific NEPTUNE Plus...center at www.thermo.com/grc Moving science forward New Thermo Scientific NEPTUNE Plus and TRITON Plus Elements...Concorde Pkwy Ste 500 Chantilly, VA 20151-1110, USA Tel.: 703-652-9950; fax: 703-652-9951 business@minsocam...Concorde Pkwy Ste 500 Chantilly, VA 20151-1125, USA Tel.: 703-652-9960; fax: 703-652-9951 cms@clays.org |  | | Book | | y20 eee ee ota ee ee 127 seer eee ee 137. Uranium Minerals o7).0.500.4>csawcsce asus eenss conan...themselves in the minerals of a single mine or mineral district, one or several particular mineral species, microspecimens...physical attribute of minerals. Few descriptions of new mineral discoveries will fail to report fluorescence...terms used in the study of fluorescence. For those new to the minerals that fluoresce and the localities...Littleton, Colorado; Dick and Mardy Zimmermann of Mesa, Arizona; Roy Parsons of Huachuca City, Arizona; | | | Book | | OrganioMatertals) ocneccsecccres-sesesss oceans es 137 Uranium Minerals ... Gemstones Fluorescent Faces and Zones...themselves in the minerals of a single mine or mineral district, one or several particular mineral species, microspecimens...physical attribute of minerals. Few descriptions of new mineral discoveries will fail to report fluoresi...terms used in the study of fluorescence. For those new to the minerals that fluoresce and the localities...Arizona; Roy Parsons of Huachuca City, Arizona; of Mesa, Doris Currington of Las Vegas, Nevada; Mike Howard |  | | Book | | variety amethyst, sceptre habit, Denny Mountain, King County, Washington, U.S.A. / Photo by Ken Mayer Production.../ Carnegie Museum collection Please forward any new information to the authors. William H. Blackburn...Massachusetts 01966 U.S.A. A Adamite, Mapimi, Durango, Mexico Preamble t is with considerable pride that | introduce...mineralogy, the Mineralogical Mineralogist. Through this new series, the Association of Canada offers its Special... ume 25 in 1997). In orientation and scope, the new IMA recommendations concerning the nomencla- series |  | | Book (edition) | | Oman AMSTERDAM • BOSTON • HEIDELBERG • LONDON NEW YORK • OXFORD • PARIS • SAN DIEGO SAN FRANCISCO •...OX5 1 GB, UK 225 Wyman Street, Waltham, MA 02451, USA Copyright © 2015, 2008 Elsevier B.V. All rights reserved...practice in this field are constantly changing. As new research and experience broaden our understanding...compilation of this second edition. Many of the new samples had to be prepared as polished sections,...Descriptions section has been expanded by some 70 new minerals, now adding up to a total of 502 species |  | | Book | | CEMSIONES Edited by Michael ODonoghve CRESCENT BOOKS - New York © Orbis Publishing Limited, London and Istituto...(classification), old systems have given way to new and minerals places in have been them, but...the other natural sciences, and this means that new discoveries are constantly being made. Some of ...instead of naming them as separate species. New minerals are INTRODUCTION arabi groffe viridicatis...oiffoluié facilectcrefat.jlla Fo miogzaq yrunt carpet new and however, discovered, frequently methods of testing |  | | Book | | Society D. VAN TORONTO NOSTRAND PRINCETON, NEW COMPANY, NEW YORK JERSEY INC. LONDON D. VAN 120 Alexander...NostrRAND D. VAN New York 18, York New Street, 40 West (Principal office) Jersey New St., Princeton...readers. doubt, All, without will have use for a new short cut to rapid min- eral identification....most famous of fluorescent localities, Franklin, New Jersey. in LAPIDARIES a chapter WILL which ...the bing to capitalize colors. MINING MEN AND PROSPECTORS may find new points of view Experience shows |
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