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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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关于东海残留沉积物的微体化石特征
, PP. 67-78
Abstract:
海底残留沉积约占世界陆架面积的70%[3],而残留沉积中分布最广的是残留砂.有孔虫、介形虫等微体化石,其壳体大小与砂粒相当,而不同的属种又有特定的生活环境,因此它们在沉积过程中可以反映沉积条件,在搬运作用中又可看作指相颗粒.研究残留沉积物中微体化石的属种组合、保存状况、数量和大小等特点,应能为研究陆架残留沉积的产生与变化过程提供某种依据.关于陆架残留沉积的化石资料不少,但大多局限于脊椎动物,软体动物等大化石,而对有孔虫、介形虫等微体化石群的详细情况尚缺乏分析.
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| [3] | Murray,J,W.,Distribution and ecology of living benthic foraminiferids,heinemann educational books,1973,p,274.
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| [4] | Curray,J,R.,Sediments and history of holocene transgression,continental shelf,northwest gulf of mexico,northwest gulf of mexico,1960,221-166.
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| [5] | Fmey,K.O.,Relict sediments on continental shelves of the world,Bull.AAPG,52(1968),445-464.
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