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Discovery of natural MgSiO(3) tetragonal garnet in a shocked chondritic meteorite

MgSiO(3) tetragonal garnet, which is the last of the missing phases of experimentally predicted high-pressure polymorphs of pyroxene, has been discovered in a shocked meteorite. The garnet is formed from low-Ca pyroxene in the host rock through a solid-state transformation at 17 to 20 GPa and 1900°...

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Detalles Bibliográficos
Autores principales: Tomioka, Naotaka, Miyahara, Masaaki, Ito, Motoo
Formato: Online Artículo Texto
Lenguaje:English
Publicado: American Association for the Advancement of Science 2016
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4820389/
https://www.ncbi.nlm.nih.gov/pubmed/27051873
http://dx.doi.org/10.1126/sciadv.1501725