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| 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) | | mineralization of the Medvědín uranium deposit, Krkonoše
Mountains, Czech Republic†
Jakub Plášil1,2*, Jiří...Museum, Václavské nám. 68, 115 79 Prague 1, Czech Republic;
jakub_plasil@nm.cz
2
Institute of Geochemistry...Faculty of Science, Albertov 6,
128 43 Prague 2, Czech Republic
3
Institute of Earth Sciences, Faculty of Science...Masaryk University, Kotlářská 2, 611 37 Brno, Czech Republic
*
Corresponding author
†
Dedicated to everlasting...mineralization of the hydrothermal vein uranium deposit Medvědín (Krkonoše Mts., northern Bohemia)
is rather | 👁 Image
| | Journal (article/letter/editorial) | | Sciences of the Czech Republic v.v.i, Na Slovance 2, 182 21, Prague 8, Czech Republic; plasil@fzu.cz
Oxidation–hydration...knowledge of such processes and stabilities of the uranium minerals is of the great interest namely due
to...summarize the state-of-art of the current knowledge on
uranium-related topics as well and identify some of the...if briefly, in the pioneering book “Secondary Uranium Minerals” by Čejka
and Urbanec (1990) which has...served, for a long-time, as a guide for beginning uranium mineralogists.
Keywords: weathering of uraninite | 👁 Image
| Sejkora, J., Plášil, J., Císařová, I., Škoda, R., Hloušek, J., Veselovský, F., Jebavá, I. (2011) Interesting supergene Pb-rich mineral association from the Rovnost mining field, Jáchymov (St. Joachimsthal), Czech Republic. Journal of GEOsciences, 56 (3) 257-271 | Journal (article/letter/editorial) | | mining field, Jáchymov (St. Joachimsthal), Czech Republic
Jiří Sejkora1*, Jakub Plášil2, Ivana Císařová3...Museum, Václavské nám. 68, 115 79 Prague 1, Czech Republic;
jiri_sejkora@nm.cz
2
Mineralogical Crystallography...University, Hlavova 2030, 128 40 Prague 2, Czech Republic
4
Institute of Geological Sciences, Masaryk...37 Brno, Czech Republic
5
U Roháčových kasáren 24, 100 00 Prague 10, Czech Republic
6
Czech Geological...Geological Survey, Geologická 6, 152 00 Prague 5, Czech Republic
*
Corresponding author
1
Rich supergene mineral | 👁 Image
| Števko, M., Uher, P., Ondrejka, M., Ozdín, D., Bačík, P. (2014) Quartz-apatite-REE phosphates-uraninite vein mineralization near Čučma (eastern Slovakia): a product of early Alpine hydrothermal activity in the Gemeric Superunit, Western Carpathians. Journal of GEOsciences, 59 (3) 209-222 | Journal (article/letter/editorial) | | in the Gemeric Superunit (e.g., Kurišková uranium deposit) during early Alpine
hydrothermal activity...occurrence was
discovered and prospected by the former Uranium Survey
company in 1960’s (Šváb et al. 1966). First...composition that is close to the
theoretical end member. Uranium contents attain 0.87 to 0.91
apfu, whereas Th concentrations...Y)3+ =
3U4+ + □. However, a possible presence of uranium also
in U6+ form together with negligible contents...1990), and muscovite K–Ar dating of the
Hnilec granite (195 to 210 Ma; Cambel et al. 1990). An
early Alpine | 👁 Image
| | Journal (article/letter/editorial) | | Between 1948 and 1952 uranium ore was mined in
Miedzianka, producing some 15 tons of uranium metal
(Siuda &...type locality
for uranophane.
The Miedzianka ore deposit occurs within diopside
amphibolites and amphibolite...skarns
developed at the contact with the Karkonosze granite; (b)
polymetallic veins with Cu-sulfides (bornite...in the spectral region of
900–800 cm−1. There are, however, strong bands in that
region observed in the...the assignment of the strong Raman
bands in the region of 900–800 cm−1 to vibrations of (AsO4)
3and (HOAsO4)2- | 👁 Image
| | Journal (article/letter/editorial) | | uraninite from the Červená vein,
Jáchymov (Czech Republic): a fingerprint of the primary
mineralization...Sciences of the Czech Republic v.v.i, Na Slovance 2, 182 21 Prague 8, Czech Republic; plasil@fzu.cz
Department...National Museum, Cirkusová 1740, 193 00 Prague 9, Czech Republic
3
Department of Geological Sciences, Faculty...Masaryk University, Kotlářská 2, 611 37 Brno, Czech Republic
4
Institute of Geochemistry, Mineralogy and...Prague 2, Czech Republic
5
Mining Museum Příbram, náměstí Hynka Kličky 293, 261 01 Příbram VI, Czech Republic | 👁 Image
| | Journal (article/letter/editorial) | | Lodge alkaline complex in the northern Black Hills
region of northeastern Wyoming (USA) is host to stockwork-style...complexes of
the Kola Peninsula, the Maoniuping REE deposit, China, and lateritically weathered carbonatite...Northwest Territories of Canada and the Strange Lake deposit in Québec-Labrador, Canada,
appear to have the...sedimentary units, and pendants or rooted inliers of
granite/gneiss of the Wyoming Archean Province (Fig. 1)...included bastnäsite from the Mountain Pass REE deposit (California) and parisite from
the Snowbird REE |
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