大城县大城勘查区岩浆岩分布特征

Dacheng County Dacheng Exploration Area Magmatic Rocks Distribution Characteristics

大城勘查区在石炭-二叠纪的煤系地层中首次发现基性-超基性的浅层侵入岩,侵入岩以岩脉或岩盖的形式侵入煤系地层中,在局部地区对煤层造成不同程度的破坏。分析岩浆岩的分布特征,对了解河北省平原区不同时期岩浆岩的活动规律具有一定的帮助作用。

Basic - ultrabasic shallow intrusive rocks was found in Dacheng exploration area carboniferous - permian coal measure strata. Intrusive rocks in the form of a dike or rock covered into coal measures strata, which caused different degrees of damage in the local area. The distribution features of the magmatic rocks was analyzed, which benefited different period of magmafic activities law study in Hebei province plain area.