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Tetrataenite in metallic grains of the Antarctic L6 chondrite ALHA 76009 |
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| Authors: | R. B. Scorzelli I. Souza Azevedo M. Funaki |
| Affiliation: | (1) Centro Brasileiro de Pesquisas Físicas, Rua Xavier Sigaud 150, 22290-180 Rio de Janeiro, RJ, Brazil;(2) National Institute of Polar Research, 9-10, Kaga 1-Chome, Itabashi-ku, 173 Tokyo, Japan |
| Abstract: | Mössbauer X-ray diffraction and electron microscopy studies revealed that segregation and ordering occurred in the metal particles of the Antarctic L6 chondrite ALHA 76009. The ordered crystal structure of AuCu type (tetrataenite) was detected coexisting with the disordered 50-50 taenite. |
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