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一、概述大化水电站坝址岩石为三迭系下统岩层,岩性为薄层状泥岩和灰岩互层,岩层单层厚1~6厘米,岩性软弱,弱风化和微风化岩石
I. Overview The Dam site of the Dahua Hydropower Station is a Triassic Lower Sect rock with interbedded thin-bedded mudstone and limestone. The monolayer of the rock is 1 ~ 6 cm thick with weak lithologies and weathered and slightly weathered rocks