长江三角洲全新世沉积特征
DELTAIC SEDIMENTS OF THE CHANGJING DELTA AND ITS CHARACTERISTICS
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摘要: 三角洲及其沉积体系的研究,近年来受到广泛注视.长江三角洲是我国较大的潮汐河口三角洲,对它的形成和演变的研究,不少单位曾做了大量工作,,本文试图通过总结近几年来所取得的部分钻孔资料和沉积分析资料,提出关于长江三角洲全新世沉积的粗浅认识.Abstract: A great amount of data on cores shows that the total thickness of the Quarternary(Pleistocene)deltaic sediments of the Changjian Delta is some 100-150m.The existence of four transgressions with correspoding marine facies was found.The upper-mostpart,to a thickness of 30m,is entirely from the Holocene Age.
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