本文所指间长质包体是花岗闪长岩、石英二长岩、石英问长岩侵入体中分布较广的暗色包体。其名称很不统一,有基性包体、微粒包体、斜长-角闪石包体、暗色析离休等。其成因长期存在争论。本文目的是以房山侵入体为例,介绍其中有关包体的一些实际资料和成因探讨,以供参考。房山侵入体于北京西南约60公里,面积50余平方 In this paper, the intergranular inclusions are granodiorite, quartz monzogranite and quartz ashenic intrusive body with a wide distribution of dark inclusions. Its name is not uniform, there are basic inclusions, particles inclusions, oblique length - amphibole inclusions, dark analysis of retired and so on. The causes of long-standing controversy. The purpose of this paper is to take Fangshan invaded as an example to introduce some of the actual information about the enclave and its causes for reference. Fangshan intrusion in about 60 kilometers southwest of Beijing, an area of ​​50 square feet