摘要 : The cosmochemistry data suggest that chondrites experiencing no melt-fractionation retain the feature in composition and structure of primitive planet. Therefore, the chondrites are regarded as initial material of terrestrial plan... 展开 The cosmochemistry data suggest that chondrites experiencing no melt-fractionation retain the feature in composition and structure of primitive planet. Therefore, the chondrites are regarded as initial material of terrestrial planets. In order to study the formation and evolution history of stratified struture of terrestrial planets, the experiments on melting of chondrites have been carried out. 收起