The outcropped Mesozoic intrusive rock is a composite intrusion which consists of basic, intermediate and acid rocks, characterized by the large scale, multiphase intrusion, and with long evolution.

山门银矿区出露的中生代侵入岩是一套由基性岩、中性岩、酸性岩组成的复式侵入体。具有规模大、侵入期次多、演化时间长的特点。

youdao

Mesozoic intrusive complex in central eastern North China Block (NCB) is mainly composed of two sets of rock associations such as appinite and granodiorite.

华北地块中东部中生代侵入杂岩存在有富闪侵入岩和花岗闪长岩类两套岩石组合。

youdao