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@article{846818,
author = {Novák, Milan and Gadas, Petr},
article_location = {Recife, Brazil},
article_number = {2},
keywords = {anorthite; grossularite; pegmatite; lherzolite},
language = {eng},
issn = {0080-0244},
journal = {Estudos Geológicos},
title = {Zoned, anorthite- and grossularite-bearing, leucotonalitic pegmatite from serpentinized lherzolite at Ruda Nad Moravou, Staré Město Unit, Czech Republic},
url = {http://www.ufpe.br/estudosgeologicos},
volume = {19},
year = {2009}
}
TY - JOUR
ID - 846818
AU - Novák, Milan - Gadas, Petr
PY - 2009
TI - Zoned, anorthite- and grossularite-bearing, leucotonalitic pegmatite from serpentinized lherzolite at Ruda Nad Moravou, Staré Město Unit, Czech Republic
JF - Estudos Geológicos
VL - 19
IS - 2
SP - 261-265
EP - 261-265
PB - Av.Academico Helio Ramos S/N
SN - 00800244
KW - anorthite
KW - grossularite
KW - pegmatite
KW - lherzolite
UR - http://www.ufpe.br/estudosgeologicos
N2 - Zoned, leucotonalitic pegmatit with unusual mineral composition cuted serpentinized lherzolite at Ruda nad Moravou (Staré Město unit). Besides plagioclase with An98-An20 composition, amazonitic K-feldspar and quartz it contains almost pure grossularite, diopside, primary epidote, accesory zircon, titanite, NbTa oxides and many secondary phases. High Ca/Na ratio and low H2O and F containing minerals are exceptional. The origin of pegmatite melt as well as source of Ca remains unexplained. It is unclear whether the high Ca content already present in the primary melt, which would imply ultrabazic to basic protolite from which the melt was derived melt or there occured intense Ca contamination during the migration of pegmatite melt.
ER -
NOVÁK, Milan and Petr GADAS. Zoned, anorthite- and grossularite-bearing, leucotonalitic pegmatite from serpentinized lherzolite at Ruda Nad Moravou, Staré Město Unit, Czech Republic. \textit{Estudos Geológicos}. Recife, Brazil: Av.Academico Helio Ramos S/N, 2009, vol.~19, No~2, p.~261-265. ISSN~0080-0244.
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