 | Ondruš, P., Veselovský, F., Hloušek, J., Skála, R., Vavřín, I., Frýda, J., Čejka, J., Gabašová, A. (1997) Secondary minerals of the Jáchymov (Joachimsthal) ore district. Journal of the Czech Geological Society, 42 (4) 3-76 | Journal (article/letter/editorial) | | Journal of the Czech Geological Society, 42/4 (1997) 3 Secondary minerals of the Jáchymov (Joachimsthal)...(Joachimsthal) ore district Sekundární minerály jáchymovského rudního revíru (Czech summary) PETR ONDRUŠ1 - FRANTIŠEK...FRÝDA1 - JIěÍ ýEJKA3 - ANANDA GABAŠOVÁ1 1 2 3 Czech Geological Survey, Klárov 3, 118 21 Prague 1 U Roháþových...seventy secondary minerals were known from the district before the present study. All known reliable data...data on the individual secondary minerals from Jáchymov are presented. New and more complete X-ray powder |  | Plášil, J., Sejkora, J., Čejka, J., Novák, M., Viñals, J., Ondruš, P., Veselovský, F., Škácha, P., Jehlička, J., Goliáš, V., Hluošek, J. (2010) Metarauchite, Ni(UO2)2(AsO4)2·8H2O, from Jáchymov, Czech Republic and Schneeberg, Germany: a new member of the autunite group. The Canadian Mineralogist, 48 (2) 335-350 doi:10.3749/canmin.48.2.335 | Journal (article/letter/editorial) | | METARAUCHITE, Ni(UO2)2(AsO4)2•8H2O, FROM JÁCHYMOV, CZECH REPUBLIC, AND SCHNEEBERG, GERMANY: A NEW MEMBER... Václavské námĕstí 68, CZ–115 79, Praha 1, Czech Republic Milan NOVÁK Department of Geological Science...Masaryk University, Kotlářská 2, CZ–611 37, Brno, Czech Republic Joan VIÑALS Department of Materials Science...František VESELOVSKÝ Czech Geological Survey, Geologická 6, CZ–152 00, Praha 5, Czech Republic Pavel ŠKÁCHA...Praha 2, Czech Republic Jan HLOUŠEK U Roháčových kasáren 24, CZ–100 00, Praha 10, Czech Republic Abstract |  | | Journal (article/letter/editorial) | | phosphate or arsenate tetrahedra. The interlayer region contains H2O groups and cations in octahedral coordination...the H2O of hydration of these compounds does not vary in the same fashion as the H2O content of zeolites...661(1)°, R1 = 2.5%. Keywords: autunite, bassetite, kahlerite, kirchheimerite, lehnerite, metakahlerite, metakirchheimerite...661(1)°, R1 = 2.5%. Mots-clés: autunite, bassetite, kahlerite, kirchheimerite, lehnerite, métakahlerite, métakirchheimerite...determined (Locock & Burns 2003a). The interlayer region contains cations and H2O groups, and the sheets |  | Ferenc, Š., Biroň, A., Mikuš, T., Spišiak, J., Budzák, Š. (2018) Initial replacement stage of primary uranium (UIV) minerals by supergene alteration: association of uranyl-oxide hydroxy-hydrates and “calciolepersonnite” from the Krátka Dolina Valley (Gemerská Poloma, Gemeric Unit, Western Carpathians, Slovakia) Journal of GEOsciences, 63 (3) 277-291 | Journal (article/letter/editorial) | | Tajovského 40, 974 01 Banská Bystrica, Slovak Republic; stefan.ferenc@umb.sk Earth Science Institute... Ďumbierska 1, 974 11 Banská Bystrica, Slovak Republic Department of Chemistry, Faculty of Natural Sciences...Tajovského 40, 974 01 Banská Bystrica, Slovak Republic Corresponding author Mineral association with...mineralization at Krátka Dolina Valley (Rožňava district, Slovakia). The vein penetrated Lower Palaeozoic...U–Au mineralization is located c. 15 km N of the district town Rožňava, on the south-facing slope of Krátka |  | | Book (edition) | | comparison of all data (observation wave lengths vary considerably from one publication to the next)....of particular minerals. The associated textures vary from patchy, irregular crack fillings, regular linear...Madenköy Mine, Çayeli, Rize Province, Black Sea Region, Turkey (sample: Halbach); XPL If marked in description... Taymyrskiy Autonomous Okrug, Eastern-Siberian Region, Russia (sample: Melcher/Oberthür); PPL D Fine-grained...grey); Himmelsfürst Mine, Brand-Erbisdorf, Freiberg District, Erzgebirge, Sachsen, Germany (sample: Seifert); |  | Castillo-Oliver, Montgarri, Melgarejo, Joan Carles, Torró, Lisard, Villanova-de-Benavent, Cristina, Campeny, Marc, Díaz-Acha, Yael, Amores-Casals, Sandra, Xu, Jingyao, Proenza, Joaquin, Tauler, Esperança (2019) Sandstone-Hosted Uranium Deposits as a Possible Source for Critical Elements: The Eureka Mine Case, Castell-Estaó, Catalonia. Minerals, 10 (1) 34 doi:10.3390/min10010034 | Journal (article/letter/editorial) | | of the Pyrenees, at the NW of the Pallars Jussà region in Catalonia, between Castell-estaó and the La...(Figure 12b). Other arsenates of the group, such as kahlerite [Fe(UO2)2(AsO4)2·12H2O], occur as tabular crystals...(Figure 12b). Other arsenates of the group, such as kahlerite [Fe(UO2 )2 (AsO4 )2 ·12H2 O], occur as tabular...sulphates and phosphates (e.g., in Jáchimov, Czech Republic; [91]). Uraninite alteration led to a wide...zeunerite [Cu2+ (UO2 )2 (AsO4 )2 ·10–16H2 O], whereas kahlerite (Fe(UO2 )2 (AsO4 )2 ·12H2 O) or natrouranospinite |  | Guimarães, Frederico Sousa, de Freitas, Monica Elizetti, Rios, Francisco Javier, Pedrosa, Tércio Assunção (2019) Mineralogical characterization and origin of uranium mineralization in Witwatersrand-like metaconglomerate of the Moeda Formation, Quadrilátero Ferrífero, Brazil. Ore Geology Reviews, 106. 423-445 doi:10.1016/j.oregeorev.2019.01.016 | Journal (article/letter/editorial) | | Supergroup that crops out in the Quadrilátero Ferrífero region of Minas Gerais (Fig. 1A). The Quadrilátero Ferrífero...orogenic events affected the Quadrilátero Ferrífero region. The Rio das Velhas event is recorded in the Rio...western limb. Well rounded quartz and quartzite clasts vary from granule to pebble. Compact, rounded pyrite...detrital components in the western limb (Fig. 2A) vary from pebble and boulder, in a predominantly quartz-sand...pyrite I and II. Individual grains of Pyrite IV vary widely in size, from a few tens of micrometers to |
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