Lithology and Protoliths of HP-UHP Eclogite Facies Metamorphic Rocks and Relevant Rocks of the Changpu-Bixiling Area, Dabie Mountains CHENG Yuqi~1, ZHANG Yuxun~2, GAO Tianshan~3 and JIAN Ping~1(1. Institute of Geology, Chinese Academy of Geological Sciences, Beijing 100037; 2. China Geological Survey, Beijing 100029; 3. Geological Survey of Anhui Province, Hefei 230001) Two NNW-trending HP belts are found in the Changpu-Bixiling area, Yuexi County, Anhui Province. The western belt from Tuqiaochong to the Changpu Hydropower Station consists mainly of banded jadeite quartzite and marble with minor quartz-beating dark eclogite and light-coloured eclogite, and the