The geodynamic setting of the Bikou volcanic group is a critical question to trace the Precambrain tectonic framework an......

滇西古特提斯构造带某些玄武岩的Ｓｒ、Ｎｄ、Ｐｂ同位素资料显示存在富集放射成因Ｐｂ同位素的Ｄｕｐａｌ异常。五素玄武岩的：８７Ｓｒ／８６Ｓｒ＝０．７０６３，εＮｄ（Ｔ）＝５．４─６．５；铜厂街洋岛玄武岩的８７Ｓｒ／８６Ｓｒ＝０．７０３６─０．７０８３，εＮｄ（Ｔ）＝０．６５─６；双......

The Kuandian Complex is scarcely preserved Early Proterozoic volcanic suite, formed2.3-2.4 Ga ago. It is located in an E......