Deformational Structure of Ultrahigh-Pressure Metamorphic Rocks in Wumiao,Dabie Mountains
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Abstract:
Ultrahigh-pressure metamorphic (UHPM) rocks in Wumiao of the Dabie Mountains consist of coesite-bearing eclogite and high-pressure (HP) gneisses. They show discordant contacts withtheir country rocks--low-pressure (LP) gneisses along thrust fault, while within the UHPMslab the coesite-bearing eclogites are structuraly concordant with "in situ" HP gneisses and there are developed eclogitic facies deformational structure D1 in the pure shear strain state and amphi-bolitic facies deformational structure D2 with a NNW shear sense in a simple shear strain state.
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Guo Zhenyu, Dong Huogen, Guo Lingzhi.1998. Deformational Structure of Ultrahigh-Pressure Metamorphic Rocks in Wumiao, Dabie Mountains[J]. Geological Review,44(3):249-254.