摘要
本文介绍了细碧岩的一般特征，分析、评述了细碧质岩石的主要成因观点。作者依据熊耳群的基本特征，对“熊耳群火山岩是否属细碧角斑岩系”这一有争议的问题，进行了较为广泛的讨论，并从中得出“熊耳群火山岩不是细碧角斑岩系”的结论。作者认为，熊耳群钠长石化火山岩是低级埋藏变质条件下的热液蚀变作用所形成。
This paper briefly introduces the general characters of spilites,and reviews the major arguments about genesis of spilitic rocks.Based on overall characteristics of xiong’er Group,authors have discussed extensively the controversial topic,i.e. whether volcanic rocks from Xiong’er Group are spilite-keratophyric series,from which the conclusion has beem given that Xiong’er Group is not a spilite-keratophyre series, Authors conclude that al-bitized volcanic rocks in Xiong’er Group were formed by hydrotherma alteration during low-grade burial metamorphism.
出处
《河南地质》
1994年第1期18-27,共10页
Henan Geology
关键词
火山岩
细碧角斑岩
熊耳群
Xiong’er Growp,volcanic rocks,spilite-keratophyric series, north China platform
