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Statements

Subject Item
n2:RIV%2F00216224%3A14310%2F13%3A00066320%21RIV14-MSM-14310___
rdf:type
skos:Concept n9:Vysledek
dcterms:description
Contents of Ga and Ge in granites, rhyolites, orthogneisses and greisens of different geochemical types from the Bohemian Massif were studied using inductively coupled plasma mass spectrometry analysis of typical whole-rock samples. The contents of both elements generally increase during fractionation of granitic melts: Ga from 16 to 77 ppm and Ge from 1 to 5 ppm. The differences in Ge and Ga contents between strongly peraluminous (S-type) and slightly peraluminous (A-type) granites were negligible. The elemental ratios of Si/1000Ge and Al/1000Ga significantly decreased during magmatic fraction: from ca. 320 to 62 and from 4.6 to 1.2, respectively. During greisenization, Ge is enriched and hosted in newly formed hydrothermal topaz, while Ga is dispersed into fluid. The graph Al/Ga vs. Y/Ho seems to be useful tool for geochemical interpretation of highly evolved granitoids. Contents of Ga and Ge in granites, rhyolites, orthogneisses and greisens of different geochemical types from the Bohemian Massif were studied using inductively coupled plasma mass spectrometry analysis of typical whole-rock samples. The contents of both elements generally increase during fractionation of granitic melts: Ga from 16 to 77 ppm and Ge from 1 to 5 ppm. The differences in Ge and Ga contents between strongly peraluminous (S-type) and slightly peraluminous (A-type) granites were negligible. The elemental ratios of Si/1000Ge and Al/1000Ga significantly decreased during magmatic fraction: from ca. 320 to 62 and from 4.6 to 1.2, respectively. During greisenization, Ge is enriched and hosted in newly formed hydrothermal topaz, while Ga is dispersed into fluid. The graph Al/Ga vs. Y/Ho seems to be useful tool for geochemical interpretation of highly evolved granitoids.
dcterms:title
Gallium and germanium geochemistry during magmatic fractionation and post-magmatic alteration in different types of granitoids: a case study from the Bohemian Massif (Czech Republic) Gallium and germanium geochemistry during magmatic fractionation and post-magmatic alteration in different types of granitoids: a case study from the Bohemian Massif (Czech Republic)
skos:prefLabel
Gallium and germanium geochemistry during magmatic fractionation and post-magmatic alteration in different types of granitoids: a case study from the Bohemian Massif (Czech Republic) Gallium and germanium geochemistry during magmatic fractionation and post-magmatic alteration in different types of granitoids: a case study from the Bohemian Massif (Czech Republic)
skos:notation
RIV/00216224:14310/13:00066320!RIV14-MSM-14310___
n9:predkladatel
n10:orjk%3A14310
n3:aktivita
n14:S n14:P n14:I
n3:aktivity
I, P(ED1.1.00/02.0068), P(GAP210/10/1309), S
n3:cisloPeriodika
3
n3:dodaniDat
n5:2014
n3:domaciTvurceVysledku
n4:2647788 n4:4336410 n4:2257548
n3:druhVysledku
n16:J
n3:duvernostUdaju
n11:S
n3:entitaPredkladatele
n18:predkladatel
n3:idSjednocenehoVysledku
76158
n3:idVysledku
RIV/00216224:14310/13:00066320
n3:jazykVysledku
n17:eng
n3:klicovaSlova
ICP-MS; geochemistry; granites; gallium; germanium
n3:klicoveSlovo
n13:ICP-MS n13:granites n13:gallium n13:geochemistry n13:germanium
n3:kodStatuVydavatele
CZ - Česká republika
n3:kontrolniKodProRIV
[1D04F448C86E]
n3:nazevZdroje
Geologica Carpathica
n3:obor
n19:CB
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
4
n3:projekt
n12:ED1.1.00%2F02.0068 n12:GAP210%2F10%2F1309
n3:rokUplatneniVysledku
n5:2013
n3:svazekPeriodika
64
n3:tvurceVysledku
Vaculovič, Tomáš Kanický, Viktor Breiter, Karel Gardenová, Nina
n3:wos
000324172900001
s:issn
1335-0552
s:numberOfPages
10
n8:doi
10.2478/geoca-2013-0018
n20:organizacniJednotka
14310