Cr in M1 and X_MgCrTs in Opx increase up to a P of ~2.5 GPa then decrease up to a P of ~7 GPa. This verdict comes from 675 experiments on both natural and synthetic systems in which opx coexists with cpx, ie. it is solvus-constrained. For solvus uncostrained opx's the answer is hiding in grt-harzburgites.
Dimitri
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Ass. Prof. Dr. Dimitrios K. Kostopoulos
National and Kapodistrian University of Athens
School of Science
Faculty of Geology and Geoenvironment
Department of Mineralogy and Petrology
Panepistimioupoli, Zographou
Athens 157 84
GREECE
Tel.: +30 - 210 - 72 74 127
Fax: +30 - 210 - 72 74 883
e-mail: [log in to unmask]
http://uoa.academia.edu/DimitriosKostopoulos
http://www.linkedin.com/pub/dimitrios-kostopoulos/27/aa4/11
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