Magma processes of the Cretaceous I-type granite in North Kyushu

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Other Title
  • 北部九州白亜紀I-type花崗岩のマグマ過程

Abstract

The northern part of Kyushu is underlain by the Cretaceous granitoids. The granitoids consist mainly of hornblende granodiorite with small amounts of coeval diorite and cumulous gabbro as blocks. Sr-Nd isotopic compositions corrected with 102Ma, however, resemble each other among three lithologies. Considering geological and geochemical signatures, the granodiorite can be produced by partial melting of a mafic lower crust similar to the cumulous gabbro.

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Details 詳細情報について

  • CRID
    1390002184862679168
  • NII Article ID
    130007785415
  • DOI
    10.14824/jakoka.2016.0_169
  • Text Lang
    ja
  • Data Source
    • JaLC
    • CiNii Articles
  • Abstract License Flag
    Disallowed

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