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Statements

Subject Item
n2:RIV%2F61989592%3A15310%2F14%3A33152315%21RIV15-MSM-15310___
rdf:type
n17:Vysledek skos:Concept
dcterms:description
Five samples of blue, bluish green, and green Fe,Mg-enriched beryl from Li-poor granitic pegmatites [beryl-columbite (LCT) pegmatites at Kovářová and Boněnov in the Czech Republic and Val Sissone in Italy; a primitive pegmatite at Beryller, Untersulzbachtal, Austria; and a euxenite (NYF) pegmatite from the Beryl Pit, Quadeville, Ontario) were investigated using EMPA, Mössbauer spectroscopy, LA-ICP-MS, and powder XRD diffraction. The EMPA data show highly heterogeneous (Kovářová, Val Sissone) to rather homogeneous crystals (Boněnov, Beryller, Quadeville), with high variations in Al (1.51-1.91 apfu), Mg (0.01-0.31), Fetot (0.01-0.18), and Na (0.04-0.37). The substitution CH? + OR3+ ? CHR+ + OR2+ is dominant and supported by the powder XRD data. LA-ICP-MS revealed notable concentrations of some trace elements: Cs ? 7568 ppm (Kovářová), Li ? 928 ppm (Quadeville), Sc ? 2823 ppm (Val Sissone). Beryl samples have mostly comparable contents of Fe3+, ~ 25% at the O-site, but differ in the presence of Fe2+ at the T(2)-site. Primitive characteristics of some examined beryl (Mg/(Mg+Fetot) = 0.37-0.68 reflect low degree of fractionation of the host pegmatite (Beryller), or high degree of Mg-contamination from host metabasites in the pegmatite dikes (Kovářová, Boněnov). The concentrations and ratios of selected elements including Fe3+/Fe2+ in beryl from these Li-poor pegmatites are not feasible for any implications of pegmatite-family affinity or degree of its fractionation except for Li; however, no evident correlation between Li and Cs contents was found. Five samples of blue, bluish green, and green Fe,Mg-enriched beryl from Li-poor granitic pegmatites [beryl-columbite (LCT) pegmatites at Kovářová and Boněnov in the Czech Republic and Val Sissone in Italy; a primitive pegmatite at Beryller, Untersulzbachtal, Austria; and a euxenite (NYF) pegmatite from the Beryl Pit, Quadeville, Ontario) were investigated using EMPA, Mössbauer spectroscopy, LA-ICP-MS, and powder XRD diffraction. The EMPA data show highly heterogeneous (Kovářová, Val Sissone) to rather homogeneous crystals (Boněnov, Beryller, Quadeville), with high variations in Al (1.51-1.91 apfu), Mg (0.01-0.31), Fetot (0.01-0.18), and Na (0.04-0.37). The substitution CH? + OR3+ ? CHR+ + OR2+ is dominant and supported by the powder XRD data. LA-ICP-MS revealed notable concentrations of some trace elements: Cs ? 7568 ppm (Kovářová), Li ? 928 ppm (Quadeville), Sc ? 2823 ppm (Val Sissone). Beryl samples have mostly comparable contents of Fe3+, ~ 25% at the O-site, but differ in the presence of Fe2+ at the T(2)-site. Primitive characteristics of some examined beryl (Mg/(Mg+Fetot) = 0.37-0.68 reflect low degree of fractionation of the host pegmatite (Beryller), or high degree of Mg-contamination from host metabasites in the pegmatite dikes (Kovářová, Boněnov). The concentrations and ratios of selected elements including Fe3+/Fe2+ in beryl from these Li-poor pegmatites are not feasible for any implications of pegmatite-family affinity or degree of its fractionation except for Li; however, no evident correlation between Li and Cs contents was found.
dcterms:title
Iron magnesium-bearing beryl from granitic pegmatites: an EMPA, LA-ICP-MS, Mössbauer spectroscopy, and powder XRD study Iron magnesium-bearing beryl from granitic pegmatites: an EMPA, LA-ICP-MS, Mössbauer spectroscopy, and powder XRD study
skos:prefLabel
Iron magnesium-bearing beryl from granitic pegmatites: an EMPA, LA-ICP-MS, Mössbauer spectroscopy, and powder XRD study Iron magnesium-bearing beryl from granitic pegmatites: an EMPA, LA-ICP-MS, Mössbauer spectroscopy, and powder XRD study
skos:notation
RIV/61989592:15310/14:33152315!RIV15-MSM-15310___
n3:aktivita
n14:P
n3:aktivity
P(ED2.1.00/03.0058), P(GAP210/10/0743)
n3:cisloPeriodika
2
n3:dodaniDat
n6:2015
n3:domaciTvurceVysledku
n19:5207193
n3:druhVysledku
n13:J
n3:duvernostUdaju
n18:S
n3:entitaPredkladatele
n11:predkladatel
n3:idSjednocenehoVysledku
22857
n3:idVysledku
RIV/61989592:15310/14:33152315
n3:jazykVysledku
n12:eng
n3:klicovaSlova
beryl, iron, magnesium, EMPA, LA-ICP-MS, Mössbauer spectroscopy, granitic pegmatites
n3:klicoveSlovo
n10:M%C3%B6ssbauer%20spectroscopy n10:EMPA n10:magnesium n10:iron n10:LA-ICP-MS n10:granitic%20pegmatites n10:beryl
n3:kodStatuVydavatele
CA - Kanada
n3:kontrolniKodProRIV
[C01201CD37DD]
n3:nazevZdroje
Canadian Mineralogist
n3:obor
n9:DB
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
5
n3:projekt
n4:GAP210%2F10%2F0743 n4:ED2.1.00%2F03.0058
n3:rokUplatneniVysledku
n6:2014
n3:svazekPeriodika
52
n3:tvurceVysledku
Filip, Jan Gadas, Petr Novák, Milan Přikryl, Jan Vašinová Galiová, Michaela
s:issn
0008-4476
s:numberOfPages
14
n16:doi
10.3749/canmin.52.2.271
n8:organizacniJednotka
15310