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G. Garuti ; F. Zaccarini ; R.W. Cooper ; F. Princivalle ;Geologica Acta: an international earth science journal 2012, 10 (1)

Autor: D. Lenaz

Fuente: http://www.redalyc.org/


Introducción



Geologica Acta: an international earth science journal ISSN: 1695-6133 geologica-acta@ija.csic.es Universitat de Barcelona España Lenaz, D.; Garuti, G.; Zaccarini, F.; Cooper, R.W.; Princivalle, F. The Stillwater Complex chromitites: The response of chromite crystal chemistry to magma injection Geologica Acta: an international earth science journal, vol.
10, núm.
1, 2012, pp.
1-10 Universitat de Barcelona Barcelona, España Available in: http:--www.redalyc.org-articulo.oa?id=50522811003 How to cite Complete issue More information about this article Journals homepage in redalyc.org Scientific Information System Network of Scientific Journals from Latin America, the Caribbean, Spain and Portugal Non-profit academic project, developed under the open access initiative Geologica Acta, Vol.10, Nº 1, March 2012, 1-10 DOI: 10.1344-105.000001706 A v a i l a b l e o n l i n e a t w w w.
g e o l o g i c a - a c t a .
c o m The Stillwater Complex chromitites: The response of chromite crystal chemistry to magma injection PRESS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 D.
Lenaz G.
GarutI 2 F.
Zaccarini 2 R.W.
Cooper 3 F.
Princivalle 1 1 Departament of Mathematics and Geosciences Via Weiss 8, 34127 Trieste, Italy.
Lenaz E-mail: lenaz@units.it 2 Department of Applied Geosciences and Geophysics Peter Tunner Strasse 5, 8700 Leoben, Austria 3 Department of Geology Lamar University, 77710 Beaumont TX, USA IN ARTICLE 1 ABSTRACT Nineteen chromite crystals from the A, B, E, G, H, J and K chromitite layers of the Peridotite Zone of the Stillwater Complex (Montana, USA) have been studied by means of X-ray single crystal diffraction and microprobe analyses. The results show that samples from the basal A layer are quite different from the others showing very high oxygen positional parameter u (0.2633-0.2635) and Ti- contents (0.059-0.067apfu).
Mg# value...





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