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Petrogenesis of Pyroxenites and Melt Infiltrations in the Ultramafic Complex of Beni Bousera, Northern Morocco

Alexander P. Gysi, Oliver Jagoutz, Max W. Schmidt, Kamal Targuisti
2011 Journal of Petrology  

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2 O 3 , Na 2 O and CaO (magm. plag.); low FeO/ MgO and variable Al 2 O 3 , no MREE/ HREE fract. (metam. grt); pos. Eu and Sr anomalies (magm. Plag); neg. HFSE; Nb/Ta fract. high CaTs, Na and Al variations (cpx); Al-rich metam. sp; Mg-rich grt; slight fract. LREE and HREE to the MREE, pos. Eu and Sr anomaly, low HFSE (cpx); pos. Eu anomaly, low HREE (grt). metam. Grt and cpx Graphite pseudomorph after diamond garnet clinopyroxenites (PSD) show a similar band geometry and geochemistry to specific
more » ... emistry to specific IIIA garnet clinopyroxenites. Modal composition mineralogy consists of:
doi:10.1093/petrology/egr026 fatcat:2jlv4dhbtzaftbqb7sqsahaifq
Citation

Alexander P. Gysi, Oliver Jagoutz, Max W. Schmidt, Kamal Targuisti. "Petrogenesis of Pyroxenites and Melt Infiltrations in the Ultramafic Complex of Beni Bousera, Northern Morocco." Journal of Petrology (2011) 1679-1735