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AUTRES EXEMPLES DE REACTIONSDE TRANSFERT DE MASSEGEOBAROMETRES• GRIPS = Grenat-Rutile-Ilmenite-Plagioclase-quartzCa 3 Al 2 Si 3 O 12 + 2Fe 3 Al 2 Si 3 O 12 + 6TiO 2 ↔3CaAl 2 Si 2 O 8 + 6FeTiO 3 + 3SiO 2• GRAIL = Grenat-Rutile-Aluminosilicate-Ilmenite-quartz.Fe 3 Al 2 Si 3 O 12 + 3TiO 2 ↔3FeTiO 3 + Al 2 SiO 5 + 2SiO 2

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