About: Vertical zonality of fractionated granite plutons reflected in zircon chemistry: the Cinovec A-type versus the Beauvoir S-type suite

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About: Vertical zonality of fractionated granite plutons reflected in zircon chemistry: the Cinovec A-type versus the Beauvoir S-type suite Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Vertical changes in chemical composition of zircon vere studied on examples of the strongly peraluminous S-type Beauvoir granite (Massif Central, France, 800 m long borehole GPF-1) and the slightly peraluminous A-type Cínovec granite (Krušné hory Mts./Erzgebirge, Czech Republic/Germany, 1596 m long borehole CS-1). At Beauvoir, zircon shows increase in Hf-content from 2-4 wt% HfO2 in the deepest B3-unit to 15-19 wt% HfO2 in the uppermost B1-unit. The highest contents of F, P, and U were detected in the intermediate unit B2 at a depth of 400-600 m. At Cínovec, Hf shows only moderate enrichment from ca 2 wt% HfO2 in the deeper protolithionite granite to 5-10 wt% HfO2 in the uppermost part of the zinnwaldite granite. Extreme enrichment of outer zones of zircon crystals with Hf or high contents of Th, U, REE, Y and Nb are not considered to be a specific phenomenon characterizing melts of A- or S-type granite, but reflects a high degree of fractionation of systems rich in Na and F. Vertical changes in chemical composition of zircon vere studied on examples of the strongly peraluminous S-type Beauvoir granite (Massif Central, France, 800 m long borehole GPF-1) and the slightly peraluminous A-type Cínovec granite (Krušné hory Mts./Erzgebirge, Czech Republic/Germany, 1596 m long borehole CS-1). At Beauvoir, zircon shows increase in Hf-content from 2-4 wt% HfO2 in the deepest B3-unit to 15-19 wt% HfO2 in the uppermost B1-unit. The highest contents of F, P, and U were detected in the intermediate unit B2 at a depth of 400-600 m. At Cínovec, Hf shows only moderate enrichment from ca 2 wt% HfO2 in the deeper protolithionite granite to 5-10 wt% HfO2 in the uppermost part of the zinnwaldite granite. Extreme enrichment of outer zones of zircon crystals with Hf or high contents of Th, U, REE, Y and Nb are not considered to be a specific phenomenon characterizing melts of A- or S-type granite, but reflects a high degree of fractionation of systems rich in Na and F. (en)
Title	Vertical zonality of fractionated granite plutons reflected in zircon chemistry: the Cinovec A-type versus the Beauvoir S-type suite Vertical zonality of fractionated granite plutons reflected in zircon chemistry: the Cinovec A-type versus the Beauvoir S-type suite (en)
skos:prefLabel	Vertical zonality of fractionated granite plutons reflected in zircon chemistry: the Cinovec A-type versus the Beauvoir S-type suite Vertical zonality of fractionated granite plutons reflected in zircon chemistry: the Cinovec A-type versus the Beauvoir S-type suite (en)
skos:notation	RIV/67985831:_____/12:00383498!RIV13-AV0-67985831
http://linked.open...avai/riv/aktivita	I P S
http://linked.open...avai/riv/aktivity	I, P(GAP210/10/1105), P(GAP210/10/1309), S
http://linked.open...iv/cisloPeriodika	5
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Breiter, Karel
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	177347
http://linked.open...ai/riv/idVysledku	RIV/67985831:_____/12:00383498
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	zircon; Cinovec; Beauvoir; trace elements analyses; S-type granite; A-type granite; fractionation (en)
http://linked.open.../riv/klicoveSlovo	S-type granite fractionation zircon Beauvoir Cinovec trace elements analyses A-type granite
http://linked.open...odStatuVydavatele	SK - Slovenská republika
http://linked.open...ontrolniKodProRIV	[A95638482F10]
http://linked.open...i/riv/nazevZdroje	Geologica Carpathica
http://linked.open...in/vavai/riv/obor	DD
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Behaviour of geochemical „twins“ Al/Ga and Si/Ge in different types of acid silicate melts Trace elements in igneous quartz – frozen information about silicate melt evolution
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	63
http://linked.open...iv/tvurceVysledku	Breiter, Karel Škoda, R.
http://linked.open...ain/vavai/riv/wos	000311260600003
issn	1335-0552
number of pages	16 (xsd:int)
http://bibframe.org/vocab/doi	10.2478/v10096-012-0030-6

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