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The centimetric garnet of the eclogite is surrounded by a corona of glaucophane. It indicates a retrogression from the eclogite conditions to the blueschists conditions during the exhumation of the rock. Yellow epidote and dark blue glaucophane constitute the matrix of rock. PhotoID302

The centimetric garnet of the eclogite is surrounded by a corona of glaucophane. It indicates a retrogression from the eclogite conditions to the blueschists conditions during the exhumation of the rock. Yellow epidote and dark blue glaucophane constitute the matrix of rock. PhotoID302

Photograph: ch.nicollet