Baihua meta-igneous complex consists mainly of pyroxenite-gabbro(diorite)-diorite-quartz diorite. They form a complete c......

本文通过对荣华二采区10...

During the Cambrian and Ordovician, widespread magmatic activity occurred in the Ross Orogen of central Antarctica, form......

研究区位于甘新蒙交汇的北山地区,地质构造较复杂。前人对该区侵入岩时代、成因及形成环境等研究较少,大地构造格局和归属一直存在......

研究区的蛇纹岩以构造就位的方式就位于具岛弧环境的白水河群变质岩系之中，其常量元素和微量元素地球化学特征表明，其原岩成分相当于......