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@article{984062,
author = {Uher, Pavel and Giuliani, Gaston and Szákall, Sandor and Fallick, Anthony and Strunga, Vladimír and Vaculovič, Tomáš and Ozdín, Daniel and Gregáňová, Markéta},
article_location = {Bratislava},
article_number = {1},
doi = {http://dx.doi.org/10.2478/v10096-012-0005-7},
keywords = {Western Carpathians; Slovakia; Hajnáčka; Gortva; CL; LA-ICP-MS; EMPA; oxygen isotopes; placer; alkali basalts; anorthoclasite xenolith; corundum; sapphire},
language = {eng},
issn = {1335-0552},
journal = {Geologica Carpathica},
title = {Sapphires related to alkali basalts from the Cerová Highlands, Western Carpathians (southern Slovakia): composition and origin},
url = {http://www.degruyter.com/view/j/geoca.2012.63.issue-1/v10096-012-0005-7/v10096-012-0005-7.xml},
volume = {63},
year = {2012}
}
TY - JOUR
ID - 984062
AU - Uher, Pavel - Giuliani, Gaston - Szákall, Sandor - Fallick, Anthony - Strunga, Vladimír - Vaculovič, Tomáš - Ozdín, Daniel - Gregáňová, Markéta
PY - 2012
TI - Sapphires related to alkali basalts from the Cerová Highlands, Western Carpathians (southern Slovakia): composition and origin
JF - Geologica Carpathica
VL - 63
IS - 1
SP - 71-82
EP - 71-82
PB - Slovak Akademy Press
SN - 13350552
KW - Western Carpathians
KW - Slovakia
KW - Hajnáčka
KW - Gortva
KW - CL
KW - LA-ICP-MS
KW - EMPA
KW - oxygen isotopes
KW - placer
KW - alkali basalts
KW - anorthoclasite xenolith
KW - corundum
KW - sapphire
UR - http://www.degruyter.com/view/j/geoca.2012.63.issue-1/v10096-012-0005-7/v10096-012-0005-7.xml
L2 - http://www.degruyter.com/view/j/geoca.2012.63.issue-1/v10096-012-0005-7/v10096-012-0005-7.xml
N2 - Blue, grey-pink and pink sapphires from the Cerová Highlands, Western Carpathians (southern Slovakia) have been studied using CL, LA-ICP-MS, EMPA, and oxygen isotope methods. The sapphire occurs as (1) clastic heavy mineral in the secondary sandy filling of a Pliocene alkali basaltic maar at Hajnáčka, and (2) crystals in a pyroxenebearing syenite/anorthoclasite xenolith of Pleistocene alkali basalt near Gortva. Critical evaluation of compositional diagrams (Fe, Ti, Cr, Ga, Mg contents, Fe/Ti, Cr/Ga, Ga/Mg ratios) suggests a magmatic origin for clastic blue sapphires with lower Cr and Mg, but higher Fe and Ti concentrations in comparison to the grey-pink and pink varietes, as well as similar compositional trends with blue sapphire from the Gortva magmatic xenolith. Moreover, blue sapphires show similar 18O values: 5.1 in the Gortva xenolith, 3.8 and 5.85 in the Hajnáčka placer, closely comparable to mantle to lower crustal magmatic rocks. On the contrary, pink and grey-pink sapphires show higher Cr and Mg, but lower Fe and Ti contents and their composition points to a metamorphic (metasomatic) origin.
ER -
UHER, Pavel, Gaston GIULIANI, Sandor SZÁKALL, Anthony FALLICK, Vladimír STRUNGA, Tomáš VACULOVIČ, Daniel OZDÍN a Markéta GREGÁŇOVÁ. Sapphires related to alkali basalts from the Cerová Highlands, Western Carpathians (southern Slovakia): composition and origin. \textit{Geologica Carpathica}. Bratislava: Slovak Akademy Press, 2012, roč.~63, č.~1, s.~71-82. ISSN~1335-0552. Dostupné z: https://dx.doi.org/10.2478/v10096-012-0005-7.
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