古気候と古地磁気―コメント

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  • Paleoclimate and Paleomagnetism
  • コキコウ ト コチジキ コメント
  • A Comment
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Since the correlation between variations of the Earth's magnetic field and climatic changes first became an attractive subject for scientific study, much attention has been given to the investigation of deep-sea sediment cores. Recently, the trend has been toward investigating increasingly minute subdivisions within the cores studied. Viewed from a micropaleontological standpoint, however, the size of the unit subdivision selected for study within the sediment core is of gravest import.<br>In order to grasp the time significance and paleoecological implications of such subdivisions, some problems related to biostratigraphy and deep-sea sedimentation especially with respect to sedimentary disconformities, rates of sedimentation, the mixing of sediments by artificial as well as natural causes, and dissolution are reviewed.

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  • 第四紀研究

    第四紀研究 16 (3), 157-160, 1977

    日本第四紀学会

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