About: Topaz as an important host for Ge in granites and greisens

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The composition of topaz from different granites and greisen in the Krusne Hory/Erzgebirge area was investigated using electron microprobe analysis (EMPA) and Laser Ablation Inductively Coupled Plasma Mass Spectrometry (LA-ICP-MS). All topaz grains are rich in F (17.9-19.8 wt.%, 1.73-1.90 a.p.f.u.) and the most important minor/trace elements are P, Ge and Ga. Contents of P up to 1 wt.% P2O5 (0.025 a.p.f.u.) were found in topaz from the strongly peraluminous P-rich magmatic systems at Podlesi. Regardless of genetic type, topaz from granites typically contains 50-100 ppm Ge. The greatest amounts (up to 204 ppm Ge) were found in topaz from quartz-topaz-apatite greisen in Krasno. In fractionated granites and greisens, topaz is calculated to contain 23-87% of the bulk Ge content in the rock. In contrast, topaz does not concentrate Ga. The Ga content of topaz (typically 5-35 ppm in S-type granites, <10 ppm Ga in A-type granites) is usually smaller than the bulk Ga content of the rock. The composition of topaz from different granites and greisen in the Krusne Hory/Erzgebirge area was investigated using electron microprobe analysis (EMPA) and Laser Ablation Inductively Coupled Plasma Mass Spectrometry (LA-ICP-MS). All topaz grains are rich in F (17.9-19.8 wt.%, 1.73-1.90 a.p.f.u.) and the most important minor/trace elements are P, Ge and Ga. Contents of P up to 1 wt.% P2O5 (0.025 a.p.f.u.) were found in topaz from the strongly peraluminous P-rich magmatic systems at Podlesi. Regardless of genetic type, topaz from granites typically contains 50-100 ppm Ge. The greatest amounts (up to 204 ppm Ge) were found in topaz from quartz-topaz-apatite greisen in Krasno. In fractionated granites and greisens, topaz is calculated to contain 23-87% of the bulk Ge content in the rock. In contrast, topaz does not concentrate Ga. The Ga content of topaz (typically 5-35 ppm in S-type granites, <10 ppm Ga in A-type granites) is usually smaller than the bulk Ga content of the rock. (en)
Title	Topaz as an important host for Ge in granites and greisens Topaz as an important host for Ge in granites and greisens (en)
skos:prefLabel	Topaz as an important host for Ge in granites and greisens Topaz as an important host for Ge in granites and greisens (en)
skos:notation	RIV/00216224:14310/13:00066322!RIV14-MSM-14310___
http://linked.open...avai/riv/aktivita	I P S
http://linked.open...avai/riv/aktivity	I, P(ED1.1.00/02.0068), P(GAP210/10/1309), S
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Vaculovič, Tomáš Gardenová, Nina Kanický, Viktor
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	Masarykova univerzita / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	111271
http://linked.open...ai/riv/idVysledku	RIV/00216224:14310/13:00066322
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	topaz; germanium; gallium; LA-ICP-MS; Krusne Hory Mts.; Erzgebirge (en)
http://linked.open.../riv/klicoveSlovo	germanium gallium LA-ICP-MS Erzgebirge Krusne Hory Mts. topaz
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[38D09E148F80]
http://linked.open...i/riv/nazevZdroje	Mineralogical Magazine
http://linked.open...in/vavai/riv/obor	CB
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Central european institute of technology Behaviour of geochemical „twins“ Al/Ga and Si/Ge in different types of acid silicate melts
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	77
http://linked.open...iv/tvurceVysledku	Breiter, Karel Gardenová, Nina Kanický, Viktor Vaculovič, Tomáš
http://linked.open...ain/vavai/riv/wos	000321421500001
issn	0026-461X
number of pages	15 (xsd:int)
http://bibframe.org/vocab/doi	10.1180/minmag.2013.077.4.01
http://localhost/t...ganizacniJednotka	14310

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