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XRD, SEM and Petrologic Characterization of a L4-L5 Ordinary Chondrite Meteorite

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Abstract:

In this work, a meteorite sample recovered in Morocco is characterized by detailed petrographic observations in transmitted and reflected light optical microscopy and by using XRD and SEM and it is tentatively classified. VIS/NIR spectral analysis of the same meteorite in a previous study suggested that it is seemingly related to the HAMLET meteorite, which was classified as LL4 chondrite. From the obtained results in the refinement of the analysis of the present study, this meteorite is classified as L4 to L5 chondrite. Composition maps across selected chondrules and in the matrix are presented.

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Advanced Materials Forum VI View Preview

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Periodical:

Materials Science Forum (Volumes 730-732)

Pages:

170-175

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.730-732.170

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Online since:

November 2012

Authors:

Teresa M. Seixas, Bruno Almeida, Maria H. Mendes, Manuel A. Salgueiro da Silva, José F. Santos, Fernando Almeida, Zenaida Diogo, Augusto B. Lopes, Joaquim M. Vieira

Keywords:

Ordinary Chondrites, Petrography, SEM, X-Ray Diffraction (XRD)

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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