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bei bu wan r1 zuan kong yan xin shang xin shi yi lai de chen ji huan jing yan bian shi yan jiu
Author(s): 
Pages: 53-58
Year: Issue:  4
Journal: Marine Geology & Quaternary Geology

Keyword:  上新世更新世全新世沉积环境;
Abstract: 本文综述北部湾东北部R1孔岩心记录。R1孔岩心长度100m,水深42m。在粒度分析、矿物分析及微体古生物分析的基础上,认为该区在上新世时,为浅海相沉积,更新世则以陆相为主,仅在晚更新世时出现两个滨海相沉积层,全新世为浅海相沉积。
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