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Quaternary Marine Transgressions and Paleoclimate in the Yangtze River Delta Region

Published online by Cambridge University Press:  20 January 2017

Jingxing Lin
Affiliation:
Institute of Geology, Chinese Academy of Geological Sciences, Ministry of Geology and Mineral Resources (MGMR), 26 Baiwanzhuang Road, Beijing, China
Shanlin Zhang
Affiliation:
Zhejiang Bureau of Geology and Mineral Resources, MGMR, Tiyochang Road, Hangzhou, China
Jinbo Qiu
Affiliation:
Shanghai Bureau of Geology and Mineral Resources, MGMR, Guangdong Road, Shanghai, China
Biaoyun Wu
Affiliation:
Jiangsu Bureau of Geology and Mineral Resources, MGMR, Zhujiang Road, Nanjing, China
Huanzhong Huang
Affiliation:
Shanghai Bureau of Geology and Mineral Resources, MGMR, Guangdong Road, Shanghai, China
Huizhen Huang
Affiliation:
Shanghai Bureau of Marine Geological Survey, MGMR, West Yanan Road, Shanghai, China
Jianguo Xi
Affiliation:
Shanghai Bureau of Geology and Mineral Resources, MGMR, Guangdong Road, Shanghai, China
Baogen Tang
Affiliation:
Shanghai Bureau of Marine Geological Survey, MGMR, West Yanan Road, Shanghai, China
Zuren Cai
Affiliation:
Zhejiang Bureau of Geology and Mineral Resources, MGMR, Tiyochang Road, Hangzhou, China
Yubao He
Affiliation:
Shanghai Bureau of Marine Geological Survey, MGMR, West Yanan Road, Shanghai, China

Abstract

Eight marine transgressions have been recognized from more than 30 deep drill holes (ca. 300 m deep) through Quaternary sequences in the Yangtze River delta region. These are, in ascending order, the Rugao and Zhoupe transgressions (early Pleistocene); the Shanghai, Jiading, and Wangdian transgressions in the middle Pleistocene; the Jiangyin and Gehu transgressions in the late Pleistocene; and the Zhenjiang transgression in the Holocene. The transgressions correspond to warm periods and regressions to cold periods. The younger transgressions were not only of shorter duartion, but also of larger magnitude. The findings verify that there were five moderately warm periods during the early to middle Pleistocene and two very warm periods during the late Pleistocene in the Yangtze River delta region.

Type
Research Article
Copyright
University of Washington

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