Middle Pleistocene Stratigraphy of Pyroclastic deposits around the southern base of Kurikoma volcano, Miyagi prefecture, Japan

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  • 栗駒火山南麓に分布する中期更新世火砕堆積物の層序

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Abstract

The eruptive products from a caldera cluster are exposed around the southern base of Kurikoma volcano. Most of them were regarded as members of the Neogene Onoda Formation. Tsuchiya et al.(1997) reported these pyroclastic deposits are exposed at Modume Osaki, Miyagi and Uguisuzawa Kurihara, Miyagi. We previously reported the stratigraphy and K-Ar ages for these pyroclastic deposits around Modume(Kuzumaki and Ohba, 2010). In this study, the stratigraphy was newly established for Uguisuzawa area and was correlated with that around Modume area with using petrologic data. Onoda Formation around Uguisuzawa contains five tuff members; Shimatai, Yubama, Chijimisawa, Uguisuzawa, and Aonokisawa Tuffs, in stratigraphic order. Yubama and Chijimisawa tuffs were correlated with those distributed around Modume.

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Details 詳細情報について

  • CRID
    1390282680522220160
  • NII Article ID
    10029454389
  • NII Book ID
    AA12444619
  • DOI
    10.14824/jakoka.2011.0.26.0
  • Text Lang
    ja
  • Data Source
    • JaLC
    • CiNii Articles
  • Abstract License Flag
    Disallowed

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