Carboniferous and Permian foraminifers from limestone fragments contained in the Upper Cretaceous Hiromine Formation in north of Himeji, Hyogo, Japan

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Abstract

Limestone fragments with Late Paleozoic foraminifers were distinguished at Okusukain and Aisaka, north of Himeji, Nishi-Harima district, Hyogo, Japan. They are contained within matrix-supported conglomerate of caldera-originated lacustrine deposits in the Upper Cretaceous Hiromine Formation, which is mostly composed of volcaniclastic rocks. Age distribution of the limestone fragments is variable in comparison with their very rare occurrence. Late Visean, Serpukhovian or early Bashkirian, Moscovian, Wordian and Lopingian ages were attached to the fragments based on their age diagnostic foraminifers, in addition to questionable post-Triassic limestone cobble. All of these limestone fragments are thought to have been derived from the Akiyoshi and Maizuru terranes, and have special paleogeographic and tectonic implications in relation to the nappe tectonics of the Inner Zone of Southwest Japan.

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Codes

  • NII Article ID (NAID)
    110007042123
  • NII NACSIS-CAT ID (NCID)
    AA11137385
  • Text Lang
    ENG
  • Article Type
    ART
  • ISSN
    13428144
  • NDL Article ID
    9769833
  • NDL Source Classification
    ZM49(科学技術--地球科学--地質)
  • NDL Call No.
    Z54-J142
  • Data Source
    CJP  NDL  NII-ELS 
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