摘要
新疆青河县二台以北老山口地区,岩浆活动频繁强烈,尤以岩浆隐蔽爆破作用的多期次发生和多种岩浆类型的爆破角砾岩发育为特征。经初步研究,目前至少查明有闪长玢岩质爆破角砾岩,闪斜煌斑岩质爆破角砾岩及橄辉玢岩质爆破角砾岩。它们集中发育于数平方公里的范围内,至少在国内是罕见的。在闪斜煌斑质岩爆破角砾岩中已有金、铜矿化的显示,扩大范围开展工作,将会有更多新的发现,对老山口一带岩浆隐蔽爆破作用及其爆破角砾岩,深入地加以研究,具有重要的理论和实际意义。
Magmatic activities were frequent and strong in the Laoshankou region, located in the Qinghe county of Xinjiang. This region is characterized by that magmatic crypto explosion repeatedly occurred and magmatic explosive berccia distributed widely. It is shown by the author抯 preliminary researches that there are at least three kinds of explosive berccia, i.e., diorite porphyritic, camptonitic and peridote pyroxen porphyritic breccia. They concentrated on an area less than several square kilometers, which was seldom seen at least in China. There are gold and copper mineralizations in camptonitic explosive beraccia. If the work is further carried out more discoveries should be achieved. It is of greatly theoretical and practical significance that the magmatic crypto explosion and explosive berccia in Laoshankou are deeply studied.
出处
《新疆地质》
CAS
CSCD
2001年第4期241-245,T001,共6页
Xinjiang Geology
基金
国家305项目(969150206)资助
关键词
新疆
青河
老山口
岩浆隐蔽爆破作用
爆破角砾岩
金铜矿
Xinjiang
Qinghe
Laoshankou
the magmatic crypto explosion
explosive berccia
Au-Cu deposit
