韦利杰,刘小汉,周学君,孟祥研

• 1:中国地质科学院地质力学研究所
• 2:中国科学院青藏高原研究所
• 3:江南大学

摘要(Abstract)：

东南极北查尔斯王子山Pagodroma群沉积物是冰海沉积作用的产物。Pagodroma群中发现的原位硅藻化石组合及软体动物、有孔虫等化石,可直接用于生物地层定年。Pagodroma群的4个地质单元:Mount Johnston组、Fisher Bench组、Battye Glacier组和Bardin Bluffs组的地质年代分别为晚渐新世—早中新世、中中新世、中—晚中新世和上新世—早更新世。根据生物地层特征,东南极中—晚中新世仍适宜植物生长,但气候条件相当恶劣。综合分析表明东南极中新世—上新世存在几个暖期,冰盖有几次大的波动,支持动态论观点。

关键词(KeyWords)： 生物地层;古生物组合;Pagodroma群;新生代;北查尔斯王子山;南极

Abstract:

Keywords:

基金项目(Foundation): 自然科学基金项目(No.41206183);; 南北极环境综合考察与评估专项(No.CHINARE2014-02-05);; 中国地质科学院地质力学研究所基本科研业务费项目(DZLXJK201406)

作者(Author): 韦利杰,刘小汉,周学君,孟祥研

DOI: 10.19839/j.cnki.dcxzz.2015.04.006

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