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Aluminum-fluorine sphene (Titanite) as an indicator of fluorine fluid

Aluminum-fluorine sphene (Titanite) as an indicator of fluorine fluid ISSN 1028 334X, Doklady Earth Sciences, 2012, Vol. 442, Part 1, pp. 126–129. © Pleiades Publishing, Ltd., 2012. Original Russian Text © O.I. Sharova, K.V. Chudnenko, O.V. Avchenko, Z.G. Badredinov, A.S. Vakh, 2012, published in Doklady Akademii Nauk, 2012, Vol. 442, No. 2, pp. 250–253. GEOCHEMISTRY O. I. Sharovaa, K. V. Chudnenkob, O. V. Avchenkoa, Z. G. Badredinova, and A. S. Vakha Presented by Academician V.V. Reverdatto April 27, 2011 Received May 11, 2011 DOI: 10.1134/S1028334X12010217 Sphene (titanite) is a mineral with the theoretical formula (Ca,REE)(Ti,Al,Fe)SiO4(O,OH,F), which is observed in various geological environments in mag matic, metamorphic, and metasomatic rocks in a wide range of geochemical and РТ conditions. The struc ture of sphene allows different cation and anion iso morphic substitutions. Thus, the position of Ca may be occupied by cations Na+, Mn2+, Sr2+, Ba2+, REE3+; the Ti site may be filled by cations Mg2+, Fe2+, Fe3+, Al3+, Cr3+, Zr4+, Sn4+, V5+, Nb5+, Ta5+; and the Si position, by P5+ and 4H+. Anion isomorphism is observed in the O1 site, which may be filled by the F–, Cl–, and ОН– group. The main isomorphic substitu tions are typical for the Ti site, in which Al3+ and http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Doklady Earth Sciences Springer Journals

Aluminum-fluorine sphene (Titanite) as an indicator of fluorine fluid

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Publisher
Springer Journals
Copyright
Copyright © 2012 by Pleiades Publishing, Ltd.
Subject
Earth Sciences; Earth Sciences, general
ISSN
1028-334X
eISSN
1531-8354
DOI
10.1134/S1028334X12010217
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Abstract

ISSN 1028 334X, Doklady Earth Sciences, 2012, Vol. 442, Part 1, pp. 126–129. © Pleiades Publishing, Ltd., 2012. Original Russian Text © O.I. Sharova, K.V. Chudnenko, O.V. Avchenko, Z.G. Badredinov, A.S. Vakh, 2012, published in Doklady Akademii Nauk, 2012, Vol. 442, No. 2, pp. 250–253. GEOCHEMISTRY O. I. Sharovaa, K. V. Chudnenkob, O. V. Avchenkoa, Z. G. Badredinova, and A. S. Vakha Presented by Academician V.V. Reverdatto April 27, 2011 Received May 11, 2011 DOI: 10.1134/S1028334X12010217 Sphene (titanite) is a mineral with the theoretical formula (Ca,REE)(Ti,Al,Fe)SiO4(O,OH,F), which is observed in various geological environments in mag matic, metamorphic, and metasomatic rocks in a wide range of geochemical and РТ conditions. The struc ture of sphene allows different cation and anion iso morphic substitutions. Thus, the position of Ca may be occupied by cations Na+, Mn2+, Sr2+, Ba2+, REE3+; the Ti site may be filled by cations Mg2+, Fe2+, Fe3+, Al3+, Cr3+, Zr4+, Sn4+, V5+, Nb5+, Ta5+; and the Si position, by P5+ and 4H+. Anion isomorphism is observed in the O1 site, which may be filled by the F–, Cl–, and ОН– group. The main isomorphic substitu tions are typical for the Ti site, in which Al3+ and

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Doklady Earth Sciences – Springer Journals

Published: Jan 1, 2012

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