Evidence for marine transgression between 7500–5400BC at the Luotuodun Site in Yixing,Jiangsu Province

被引：0

作者：

李兰 ^{[1
]}

朱诚 ^{[1
]}

林留根 ^{[2
]}

赵泉鸿 ^{[3
]}

史恭乐 ^{[4
]}

郑朝贵 ^{[5
]}

范超 ^{[1
]}

机构：

[1] School of Geographic and Oceanographic Sciences, Nanjing University

[2] Archaeological Institute of Nanjing Museum

[3] State Key Laboratory of Marine Geology, Tongji University

[4] Nanjing Institute of Geology and Paleontology, CAS

[5] Nanjing Institute of Geography and Limnology, CAS

来源：

Journal of Geographical Sciences | 2009年 / 06期

关键词：

Luotuodun Site; Foraminifera; transgression event; plant fossils;

D O I：

暂无

中图分类号：

P531 [古地理学];

学科分类号：

070903 ;

摘要：

Based on archaeological excavations,217 samples were collected from the Luotuodun Site. Of them 63 samples from the section plane of the site layer were used for identification analysis of foraminifera,plant debris and seed fossils,and four samples were used for 14C dating and relevant analysis. Through many kinds of experiments,we have drawn some conclusions. Firstly,benthic foraminifera,such as Ammonia compressiuscula and Ammonia cff. sobrina,are found in the 10th layer,indicating that between 7500 and 5400 BC,i.e. before the emergence of the Majiabang Culture,Luotuodun Site and its nearby regions had ever experienced a marine transgression event. Secondly,we have found 450 plant fossils in this site,such as Polygonum sp.,Scripus sp.,Najas sp.,Physalis sp.,which indicated lacustrine or swamp environment.

引用

页码：671 / 680

页数：10

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