About: The system Fe-Nb-S and its geological implications

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Phase relations within the system Fe–Nb–S were studied experimentally by the technique of evacuated silica glass tubes in the temperature interval 400–1000°C. The dominant field in the system is a broad solid-solution FexNbyyS22 (0 < x < 0.5, 1.0 < y < 1.4) that includes the composition of the mineral edgarite. Also, it forms stable assemblages with pyrrhotite and pyrite. The iron sulfides dissolve limited amounts of Nb: pyrrhotite dissolves up to 1.13 at.% Nb, and pyrite, only 0.02 at.% Nb. We refined the crystal structure of five samples of the FexNbyS2 solid solution, and established the relation between the unit-cell volume and Fe/(Fe + Nb). The occurrence of edgarite can be expected in associations with other sulfides crystallizing under extremely low fugacity of oxygen. Phase relations within the system Fe–Nb–S were studied experimentally by the technique of evacuated silica glass tubes in the temperature interval 400–1000°C. The dominant field in the system is a broad solid-solution FexNbyyS22 (0 < x < 0.5, 1.0 < y < 1.4) that includes the composition of the mineral edgarite. Also, it forms stable assemblages with pyrrhotite and pyrite. The iron sulfides dissolve limited amounts of Nb: pyrrhotite dissolves up to 1.13 at.% Nb, and pyrite, only 0.02 at.% Nb. We refined the crystal structure of five samples of the FexNbyS2 solid solution, and established the relation between the unit-cell volume and Fe/(Fe + Nb). The occurrence of edgarite can be expected in associations with other sulfides crystallizing under extremely low fugacity of oxygen. (en)
Title	The system Fe-Nb-S and its geological implications The system Fe-Nb-S and its geological implications (en)
skos:prefLabel	The system Fe-Nb-S and its geological implications The system Fe-Nb-S and its geological implications (en)
skos:notation	RIV/67985831:_____/10:00356123!RIV11-GA0-67985831
http://linked.open...avai/riv/aktivita	I P Z
http://linked.open...avai/riv/aktivity	I, P(GA205/08/0122), Z(AV0Z10100521), Z(AV0Z30130516), Z(MZP0002579801)
http://linked.open...iv/cisloPeriodika	5
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Böhmová, Vlasta
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	Geologický ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	291605
http://linked.open...ai/riv/idVysledku	RIV/67985831:_____/10:00356123
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	phase relations; edgarite; FexNbyS2 solid solution; Nb sulfides; system Fe-Nb-S; crystal-structure refinements (en)
http://linked.open.../riv/klicoveSlovo	FexNbyS2 solid solution Nb sulfides crystal-structure refinements edgarite system Fe-Nb-S phase relations
http://linked.open...odStatuVydavatele	CA - Kanada
http://linked.open...ontrolniKodProRIV	[43B703C56CA4]
http://linked.open...i/riv/nazevZdroje	Canadian Mineralogist
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	The Fe-Mo-Nb-S system and its mineralogical application
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	48
http://linked.open...iv/tvurceVysledku	Hybler, Jiří Böhmová, Vlasta Drábek, M. Rieder, M.
http://linked.open...ain/vavai/riv/wos	000283870800003
http://linked.open...n/vavai/riv/zamer	Physics and technology of nanostructures, surfaces and thin films Zemský systém v průsečíku geologických procesů, vývoje života, klimatických a antropogenních vlivů Geosciences for the Society of the 21st Century: from regional research to geological hazards and global changes.
issn	0008-4476
number of pages	10 (xsd:int)

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