In this paper, general features of mantle plumes are firstly introduced, and it is emphasized to explain that the characters of giant radiating dyke swarms belong to the products of plume activity, and to introduce some Proterozoic examples of the basic dyke swarms in abroad.
为进一步在国内开展同一领域的研究工作,作者在介绍地幔柱一般特征的基础上,着重阐述了作为地幔柱活动产物之一的巨型放射状岩墙群的特点及国外元古宙基性岩墙群的几个实例,同时对我国古元古代初期、中元古代初期和新元古代等三个时期的基性岩墙群的分布及年代学做了简略小结,指出我国在前寒武纪基性岩墙群研究工作中应在岩相学和地球化学研究的基础上,进一步注意对其产状、形态、规模和精确定年的研究。
It is characterized by peculiar geomorphology associated with perfect ring fractures and radial dykes.
火山机构呈特殊的环状地貌特征, 周围发育明显的环状断裂和放射状岩墙, 并由爆发相、喷溢相、火山颈相和侵入相4 种岩相构成, 表现出一种爆发- 喷溢- 侵入的简单的火山活
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