龙永煤田吕凤矿区构造特征及其演化

本文通过吕凤矿区构造特征分析,探讨了该区构造演化过程,即印支晚期主要形成二条滑覆断层;燕山早期形成吕凤背斜;燕山中晚期形成南北边界正、逆断层及岩浆岩,并且使该区构造复杂化。

Structural Feafure and Its Evolution of Lufeng Mine in Longyong Coalfield

The paper is anglysed the mine structural evolution process through the feature of Lufeng area.The Lufeng anticline is major fold, formed a lot of secondary folds later period.Exists three type of decollement fault, reversed fault and little fault.Tectonic evolution is following:decollement faut was formed in latter period of Indo-China. Lufeng anticline in early period of Yanshan; normal fault, reversed fault and magma of mine margin in middle and latter period of Yanshan, and complexed the structure.