Shan region in central China. The eclogite with coesite occurs as a nodule (boudin?) in a
several metres thick marble band in a regional eclogite facies terrain dominated by
leucocratic garnet-bearing gneisses and eclogite bands. Probable quartz pseudomorphs
after coesite have also been discovered as inclusions in garnet and omphacite from other
localities in the Dabie Shan region, suggesting that a crustal slice of over 1000 km" in area …