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There is evidence of Cr mobility in a peridotite shear zones in the Ivrea Zone (T ca 520 to 640°C) . Altenberger, U. (1995): Long-term deformation and fluid enhanced mass-transport in a Variscan (?) peridotite shear zone in the Ivrea Zone/ Northern Italy.- Geol.Rdschau 84, 591-606 Best regards -- Uwe Altenberger Institute of Geosciences University of Potsdam Karl-Liebknecht-Str. 24 D-14476 Potsdam-Golm Tel. +49 331 977 5806 Fax +49 331 977 5700 [log in to unmask]