Exhumation of the Dabie UHP terrane, China
作者： Wang Qingchen , Shi Yonghong , Lin Wei , Guo Jinghui
DOI: 10.2747/0020-6814.50.1.15
关键词:
摘要: Exhumation of deeply buried ultrahigh-pressure (UHP) terranes remains a puzzle in understanding lithospheric dynamic process. New evidence that constrains the exhumation process Dabie UHP terrane includes following. (1) Structural data record architecture terrane. Three slices are recognized—i.e., from top to bottom, Susong blueschist slice, Huangzhen-Huangweihe (HH) HP and Jinheqiao-Shuanghe-Bixiling (JSB) slice. These have been stacked domed. (2) Geophysical depict two offsets Moho. Offset-I separates North China craton, has served as subduction channel, well an channel. Offset-II, separating foreland belt, developed due geodynamic regime reorganization. (3) Geochronological reveal slice was exhumed earlier A northward-younging polarity is implied, with younger age closer exh...
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