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@article{1662298,
author = {Plášil, Jakub and Sejkora, Jiří and Cejka, Jiří and Škoda, Radek and Golias, Viktor},
article_location = {HEIDELBERG, GERMANY},
article_number = {1},
doi = {http://dx.doi.org/10.3190/jgeosci.029},
keywords = {supergene minerals; uranium; XRD; EPMA; infrared spectroscopy; thermal analysis; mineral succession},
language = {eng},
issn = {1866-7511},
journal = {Arabian Journal of Geosciences},
title = {Supergene mineralization of the Medvedin uranium deposit, Krkonose Mountains, Czech Republic},
url = {http://www.jgeosci.org/content/jgeosci.029_2009_1_plasil.pdf},
volume = {54},
year = {2009}
}
TY - JOUR
ID - 1662298
AU - Plášil, Jakub - Sejkora, Jiří - Cejka, Jiří - Škoda, Radek - Golias, Viktor
PY - 2009
TI - Supergene mineralization of the Medvedin uranium deposit, Krkonose Mountains, Czech Republic
JF - Arabian Journal of Geosciences
VL - 54
IS - 1
SP - 15-56
EP - 15-56
PB - SPRINGER HEIDELBERG
SN - 18667511
KW - supergene minerals
KW - uranium
KW - XRD
KW - EPMA
KW - infrared spectroscopy
KW - thermal analysis
KW - mineral succession
UR - http://www.jgeosci.org/content/jgeosci.029_2009_1_plasil.pdf
L2 - http://www.jgeosci.org/content/jgeosci.029_2009_1_plasil.pdf
N2 - Supergene mineralization of the hydrothermal vein uranium deposit Medvedin (Krkonose Mts., northern Bohemia) is rather varied both in number of the mineral phases and their chemical variation. The supergene minerals agardite-(Y), autunite/metaautunite, dewindtite, churchite-(Y), kasolite, new unnamed phase Pb(Ce,REE)(3)(PO4)(3)(OH)(2) center dot nH(2)O, parsonsite, phosphuranylite, plumbogummite, pseudomalachite, pyromorphite, saleeite, torbernite/metatorbernite and uranophane were studied using powder XRD, EPMA, IR-spectroscopic and thermal analysis, contributing significantly to the clarification of their crystal chemistry. The alteration mineral assemblage consisting mostly of uranyl phosphates and silicates exhibits relatively high contents of REE and Pb. Minerals with a composition corresponding to pure mineral end-members have not been observed; instead most of the studied phases represent members of isomorphic series. Studied mineral assemblage is a stable association in surface conditions resulting apparently from a long-term alteration of the primary uranium mineralization.
ER -
PLÁŠIL, Jakub, Jiří SEJKORA, Jiří CEJKA, Radek ŠKODA a Viktor GOLIAS. Supergene mineralization of the Medvedin uranium deposit, Krkonose Mountains, Czech Republic. \textit{Arabian Journal of Geosciences}. HEIDELBERG, GERMANY: SPRINGER HEIDELBERG, 2009, roč.~54, č.~1, s.~15-56. ISSN~1866-7511. Dostupné z: https://dx.doi.org/10.3190/jgeosci.029.
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