gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1990.054.377.07 Mineralogy and Petrology Coesite from Mengzhong Eclogite at Dhonghai County, Northeastern Jiangsu Province, China Hirajima T. 1 Ishiwatari A. 2 Cong B. 3 Zhang R. 3 Banno S. 1 Nozaka T. 1 Department of Geology and Mineralogy, Kyoto University, Kyoto, 606, Japan Department of Earth Sciences, Kanazawa University, Kanazawa, 920, Japan Institute of Geology, Academia Sinica, P.O. Box 634, Beijing, China 12 1990 54 377 579 583 25 10 1989 20 1 1990 Copyright © 1990, The Mineralogical Society 1990 Abstract

Coesite has been found as an inclusion in garnet from the Mengzhong eclogite in Donghai county, northeastern Jiangsu province, eastern China. The host eclogite occurs closely associated with regionally developed gneiss and was formed under P-T conditions of about 810°C and more than 28 kbar.

 Keywords coesite eclogite garnet gneiss Jiangsu China