Rapakivi granite, a special kind of granite with rapakivi texture, mostly occurs in Proterozoic cratons.
环斑花岗岩是一种特殊结构的花岗岩类，并且多数产在元古宙克拉通中。
This suggests that the typical rapakivi texture can be formed in various epochs and different tectonic Settings.
亦表明典型的环斑结构可以出现于不同的时代和构造环境。
This paper introduces the connotation of rapakivi texture and geological and geochemical characteristics of rapakivi granites.
本文介绍了环斑结构的含义及奥长环斑花岗岩的地质与地球化学特征。
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