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《地球科学》 1994-01
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High-Pressure and Very High-Pressure Metamorphic Belt of Tongbai-Dabie Area, Central China

Zhang Zeming You Zhendong Han Yujing (China University of Geosciences, Wuhan 430074)  
High-pressure and very high-pressure metamorphic rocks in Tongbai-Dabie area may be classi-f ied into three belts f rom south to north; the epidote-blueschist facies, high-pressure eclogite facies and very high-pressure eclogite facies belts. The latter was formed by subduction of oceanic crust north-ward beneath the North China plate or the Dabie micro-plate during the Caledonian orogeny. The for-mer two were formed by subduction-collision between the North China plate and Yangtze plate in Tri-assic time. At least two times of high- pressure metamorphism occurred in the Tongbai-Dabie orogen.
【Fund】: 国家自然科学基金资助项目
【CateGory Index】: P588.3
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