The ultramafic nodules widely distributed in Cainozoic basalt in eastern China are regarded as fragments of upper mantle that were brought up to the ground surface by basaltic magma.
本文对中国东部一些新生代玄武巖中二辉橄榄巖团块的结构进行了研究。
Yingen-Ejina Basins in the west of Nei Mongol is shown by superposition of Mesozoic and Cainozoic on basement of pre-Palaeozoic constitutes.