Recent Progress in Paleomagnetic and Rock-magnetic Studies of the Quaternary in Japan.

DOI Web Site 被引用文献1件 参考文献54件
  • Hyodo Masayuki
    Research Center for Inland Seas & Dept. of Earth and Planetary Sciences, Kobe University

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説明

Detailed secular variation records of geomagnetic field direction during the Holocene, derived from archeomagnetic and sedimentary magnetic studies in Japan, can be used as a time scale for intervals of 102-103 years. Accumulated paleointensity data for the last 50kyr, from baked earth and volcanic rocks using the Thellier method, provide reliable age constraints for time intervals of 103-104 years. The geomagnetic excursions and short reversal events found in Japan, which mostly coincided with paleointensity minima at intervals of 104-105 years in the Pacific, are also useful for dating. Besides its chronological applications, magnetic analyses of sediments are useful in other areas of Quaternary studies.

収録刊行物

  • 第四紀研究

    第四紀研究 38 (3), 202-208, 1999

    日本第四紀学会

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