About: Oxidation–hydration weathering of uraninite: the current state-of-knowledge

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Oxidation–hydration weathering of uraninite, the most common U-bearing mineral in nature, comprises various physical and chemical processes that lead to the destruction of the fluorite-type structure of uraninite where U is present as tetravalent. This results in replacement of uraninite by weathering products containing U in hexavalent form, i.e. as uranyl ion, UO22+. The final assemblage of the weathering products, uranyl minerals, and their compositions depend on the various factors, namely the composition of the primary minerals and percolating oxidizing fluids that cause the alteration. The knowledge of such processes and stabilities of the uranium minerals is of the great interest namely due to demand for U as the energy source. During the past decade there has been substantial progress in understanding the mineralogy, crystallography and thermodynamics of uranyl minerals and thus a substantially improved understanding of the weathering processes themselves. Oxidation–hydration weathering of uraninite, the most common U-bearing mineral in nature, comprises various physical and chemical processes that lead to the destruction of the fluorite-type structure of uraninite where U is present as tetravalent. This results in replacement of uraninite by weathering products containing U in hexavalent form, i.e. as uranyl ion, UO22+. The final assemblage of the weathering products, uranyl minerals, and their compositions depend on the various factors, namely the composition of the primary minerals and percolating oxidizing fluids that cause the alteration. The knowledge of such processes and stabilities of the uranium minerals is of the great interest namely due to demand for U as the energy source. During the past decade there has been substantial progress in understanding the mineralogy, crystallography and thermodynamics of uranyl minerals and thus a substantially improved understanding of the weathering processes themselves. (en)
Title	Oxidation–hydration weathering of uraninite: the current state-of-knowledge Oxidation–hydration weathering of uraninite: the current state-of-knowledge (en)
skos:prefLabel	Oxidation–hydration weathering of uraninite: the current state-of-knowledge Oxidation–hydration weathering of uraninite: the current state-of-knowledge (en)
skos:notation	RIV/68378271:_____/14:00435522!RIV15-GA0-68378271
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GP13-31276P)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Plášil, Jakub
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Fyzikální ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	35532
http://linked.open...ai/riv/idVysledku	RIV/68378271:_____/14:00435522
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	weathering of uraninite; paragenetic sequence; bond-valence theory; uranyl–oxide minerals; radiogenic lead; thermodynamics (en)
http://linked.open.../riv/klicoveSlovo	bond-valence theory paragenetic sequence radiogenic lead uranyl–oxide minerals weathering of uraninite thermodynamics
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[684AE3826605]
http://linked.open...i/riv/nazevZdroje	Journal of Geosciences
http://linked.open...in/vavai/riv/obor	DB
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	1 (xsd:int)
http://linked.open...vavai/riv/projekt	Uranium minerals, their crystal chemistry and behavior during weathering
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	59
http://linked.open...iv/tvurceVysledku	Plášil, Jakub
http://linked.open...ain/vavai/riv/wos	000341693800002
issn	1802-6222
number of pages	16 (xsd:int)
http://bibframe.org/vocab/doi	10.3190/jgeosci.163

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