K-Ar ages of granitic rocks in the northern marginal area of the Kanto Mountains

Hideo Takagi, K. Shibata, S. Uchiumi, H. Fujimori

    Research output: Chapter in Book/Report/Conference proceedingChapter

    8 Citations (Scopus)

    Abstract

    K-Ar age determinations were carried out for granitic rocks from the northern marginal areas of the Kanto Mountains; Shimonita, Kanezawa and Hiki Hills areas. The age data can be clearly divided into three groups: 250-290 Ma, 105-112 Ma, and 62-66 Ma. the Permian and Early Cretaceous granitic bodies constitute an isolated klippe (the so-called Atokura klippe) in the above three areas. Although the geologic situation of the Permian and Early Cretaceous granites in the tectonic framework of Japanese Islands cannot be specified, it is inferred that they are correlative to the granitic rocks in the Abukuma and/or southern Kitakami Belts, Northeast Japan. -from English summary

    Original languageEnglish
    Title of host publicationJournal - Geological Society of Japan
    Pages369-380
    Number of pages12
    Volume95
    Edition5
    Publication statusPublished - 1989

    Fingerprint

    klippe
    Permian
    Cretaceous
    mountain
    age determination
    rock
    tectonics

    ASJC Scopus subject areas

    • Earth and Planetary Sciences(all)

    Cite this

    Takagi, H., Shibata, K., Uchiumi, S., & Fujimori, H. (1989). K-Ar ages of granitic rocks in the northern marginal area of the Kanto Mountains. In Journal - Geological Society of Japan (5 ed., Vol. 95, pp. 369-380)

    K-Ar ages of granitic rocks in the northern marginal area of the Kanto Mountains. / Takagi, Hideo; Shibata, K.; Uchiumi, S.; Fujimori, H.

    Journal - Geological Society of Japan. Vol. 95 5. ed. 1989. p. 369-380.

    Research output: Chapter in Book/Report/Conference proceedingChapter

    Takagi, H, Shibata, K, Uchiumi, S & Fujimori, H 1989, K-Ar ages of granitic rocks in the northern marginal area of the Kanto Mountains. in Journal - Geological Society of Japan. 5 edn, vol. 95, pp. 369-380.
    Takagi H, Shibata K, Uchiumi S, Fujimori H. K-Ar ages of granitic rocks in the northern marginal area of the Kanto Mountains. In Journal - Geological Society of Japan. 5 ed. Vol. 95. 1989. p. 369-380
    Takagi, Hideo ; Shibata, K. ; Uchiumi, S. ; Fujimori, H. / K-Ar ages of granitic rocks in the northern marginal area of the Kanto Mountains. Journal - Geological Society of Japan. Vol. 95 5. ed. 1989. pp. 369-380
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