山东夏甸金矿区内深源中—基性脉岩发育,其中以闪长玢岩与矿体间时空关系最为密切,被认为是幔源流体成矿最重要的判别标志.笔者通......

The Xiadian Fault is a very important concealed active fault in the Beijing Plain. It is the seismogenic fault of the Sa......