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DIVISION AND ENVIRONMENTAL EVOLUTION OF LATE QUATERNARY MARINE BEDS OF S3 HOLE IN THE BOHAI SEA
Author(s): ZHUANG Zhenye, XU Weidong, LIU Dongsheng, ZHUANG Lihua, LIU Baozhu, CAO Youyi, WANG Qiang
Pages: 27-
35
Year: 1999
Issue:
2
Journal: MARINE GEOLOGY & QUATERNARY GEOLOGY
Keyword: 海相地层; 环境演变; 晚第四纪; 渤海南部;
Abstract: 根据微体化石、粒度、孢粉、粘土矿物和碳酸钙含量等多项分析资料,以及古地磁、14C和ESR等项测年资料,划分出7个海相地层,它们是:中更新世中、晚期的H7(417.0~460.0kaB.P.)和H6(157.5~231.3kaB.P.)海相层;晚更新世前半期末次间冰期的H5(100.6~124.3kaB.P.)和H4(76.5~87.6kaB.P.)海相层,末次冰期里两间冰阶的H3(58.2~67.4kaB.P.)和H2(28~36kaB.P.)海相层,以及冰后期的H1(8.5kaB.P.以来)海相层.其中H7为渤海海底最新确定的年代最老的海相层.以S3孔为主,与渤海中部的BC-1孔和西部的辛集孔对比,阐明了渤海晚第四纪海侵海退古环境演变历史.
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