Resultats globals: 4 registres trobats en 0.01 segons.
Articles, 4 registres trobats
Articles 4 registres trobats  
1.
12 p, 612.7 KB The Stillwater Complex chromitites : the response of chromite crystal chemistry to magma injection / Lenaz, D. (Montanuniversität Leoben. Department of Mathematics and Geosciences) ; Garuti, G. (Montanuniversität Leoben. Department Applied Geosciences and Geophysics) ; Zaccarini, F. (Department Applied Geosciences and Geophysics) ; Cooper, R. W. (Lamar University. Department of Geology) ; Princivalle, F. (Università degli Studi di Trieste. Dipartimenti di Matematica e Geoscienze)
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. [...]
2012 - 10.1344/105.000001706
Geologica acta, Vol. 10, Núm. 1 (Març 2012) , p. 33-41  
2.
17 p, 934.3 KB Chromite and platinum group elements mineralization in the Santa Elena Ultramafic Nappe (Costa Rica): geodynamic implications / Zaccarini, F. (University of Leoben. Department of Applied Geosciences and Geophysics) ; Garuti, G. (University of Leoben. Department of Applied Geosciences and Geophysics) ; Proenza, J. A. (Universitat de Barcelona. Departament de Cristal·lografia, Mineralogia i Dipòsits Minerals) ; Campos, L. (University of Costa Rica. Escuela Centroamericana de Geología) ; Thalhammer, O. A. R. (University of Leoben. Department of Applied Geosciences and Geophysics) ; Aiglsperger, T. (Universitat de Barcelona. Departament de Cristal·lografia, Mineralogia i Dipòsits Minerals) ; Lewis, J. F. (The George Washington University. Department of Earth and Environmental Sciences)
Chromitites associated with strongly altered peridotite from six distinct localities in the Santa Elena ultramafic nappe (Costa Rica) have been investigated for the first time. Santa Elena chromitites commonly display a compositional variation from extremely chromiferous (Cr/(Cr+Al)=0. [...]
2011 - 10.1344/105.000001696
Geologica acta, Vol. 9, Núm. 3-4 (setembre-desembre 2011) , p. 407-423  
3.
9 p, 287.1 KB Exotic accessory minerals in layered chromitites of the Campo Formoso complex (Brazil) / Zaccarini, F. (University of Leoben. Department of Applied Geological Sciences and Geophysics) ; Garuti, G. (University of Modena and Reggio Emilia. Dipartimento di Scienze della Terra) ; Martin, R. F. (McGill University. Department of Earth and Planetary Sciences) ; Instituto Andaluz de Ciencias de la Tierra
The Campo Formoso stratiform intrusive complex, in Bahia State, Brazil, considered to be of Paleoproterozoic age, consists of a tabular body of ultramafic rocks about 40 km long and 100-1100 m wide. Thick horizons of chromitite are exploited and the deposits are the richest in Brazil. [...]
2006 - 10.1344/105.000000347
Geologica acta, Vol. 4, Núm. 4 (2006) , p. 461-469  
4.
12 p, 1.5 MB The podiform chromitites in the Dagküplü and Kavak mines, Eskisehir ophiolite (NW-Turkey) : genetic implications of mineralogical and geochemical data / Uysal, I. (Karadeniz Technical University. Department of Geological Engineering) ; Zaccarini, F. (University of Leoben. Department of Applied Geological Sciences and Geophysics) ; Sadiklar, M. B. (Karadeniz Technical University. Department of Geological Engineering) ; Tarkian, M. (University of Hamburg. Institute of Mineralogy and Petrology) ; Thalhammer, O. A. R. (University of Leoben. Department of Applied Geological Sciences and Geophysics) ; Garuti, G. (University of Modena and Reggio Emilia. Dipartimento di Scienze della Terra)
Mantle tectonites from Eskisehir (NW-Turkey) include high-Cr chromitites with limited variation of Cr#, ranging from 65 to 82. Mg# ratios are between 54 and 72 and chromite grains contain up to 3. 71 wt% Fe2O3 and 0. [...]
2009 - 10.1344/105.000001442
Geologica acta, Vol. 7, Núm. 3 (Setembre 2009) , p. 351-362  

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1 Zaccarini, Federica
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