TECTONIC DEFORMATION FEATURE AND FORMATION MECHANISM OF THE DAYUDONG-JIUDIANPING-LONGXI GLIDING NAPPE IN PENG-GUAN AREA, WESTERN SICHUAN
Ma Yong
Abstract
Ma Yong
Abstract
This paper describes the deformational feature of the DayudongJiudianpingLongxi gliding nappe in the PengGuau area, western Sichuan. It divides the nappe into two subglidingnappes which are connected with each other laterally. The north subnappe consists of a number of folded superposed little nappes. The south subnappe also shows a superposition feature, but no folds are found. The gliding nappe comes from the east of the YingxiuBeichuan fault zone. The gliding movements worked under the loose geodynamic environment after compression during Mesozoic.
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This paper describes the deformational feature of the DayudongJiudianpingLongxi gliding nappe in the PengGuau area, western Sichuan. It divides the nappe into two subglidingnappes which are connected with each other laterally. The north subnappe consists of a number of folded superposed little nappes. The south subnappe also shows a superposition feature, but no folds are found. The gliding nappe comes from the east of the YingxiuBeichuan fault zone. The gliding movements worked under the loose geodynamic environment after compression during Mesozoic.
Key concepts: Nappe, Geology, Tectonics, Feature (linguistics), Guan, Mesozoic, Paleontology, Seismology