【摘要】 系统地总结早前寒武纪地质研究成果中与板块构造相关的一些线索以及对在地史早期寻找古板块的不利因素 ;在与现代洋壳结构对比的基础上 ,描述了地史早期洋壳残片的特征 ,为在现代大陆中寻找古板块提供了依据 ,并例证现今至少已经找到了早元古时期的洋壳残片。更多还原

【Abstract】 The research achievement on the early Precambrian in association with plate tectonics has been reviewed and summarized.Unfavourable factors concerning with the discovery of palaeoplates have been listed.In comparision of the ancient oceanic crustal structure with the modern one,the characteristics of oceanic slices in the early geological history have been described and evidence has been provided for seeking the palaeoplates in the modern continents.更多还原