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Genetic Analysis of Earthquake-Induced Geologic Hazards in Ganxigou Drainage Basin of Pengzhou
详细信息   
摘要

Ganxigou belongs to tributaries of Qian River, in the front margin of the central Longmeng Mountain folded zone, and it belongs to erosion structural and river landforms.  Dabaiyan overthrust collapse bodies formed after Wenchuan Earthquake. After Yingxiu-Beichuan faults thrusted, hanging limestone slipped out of hillside and formed scarp. Under the gravity or the surface water flow, hanging broken material slipped from the thrust. Datuanbao deposit changed in the overall deformation modes from tipping to tip-break-accumulating at the basis of previous tipping deformation and slipped under earthquake-induced effects. Ganxigou drainage basin develops geologic hazards and formed provenance which may cause debris flow.

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