Fig. 1: Mineral map of thin section of the carbonated retrograde eclogite sample HB142-1.
From: Immiscible metamorphic water and methane fluids preserved in carbonated eclogite

The retrograde eclogite mainly consists of amphibole (Amp), zoisite (Zo), ankerite (Ank), garnet (Grt) and quartz (Qz), with only a few remnants of omphacite (Omp).