Coesite from Mengzhong Eclogite at Dhonghai County, Northeastern Jiangsu Province, China

T. Hirajima1, A. Ishiwatari2, B. Cong3, R. Zhang3, S. Banno1 and T. Nozaka1
1 Department of Geology and Mineralogy, Kyoto University, Kyoto, 606, Japan
2 Department of Earth Sciences, Kanazawa University, Kanazawa, 920, Japan
3 Institute of Geology, Academia Sinica, P.O. Box 634, Beijing, China

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

Mineralogical Magazine; December 1990 v. 54; no. 377; p. 579-583; DOI: 10.1180/minmag.1990.054.377.07
© 1990, The Mineralogical Society
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