K-Ar ages of the Mimuro and Mitsumori Granites, Chugoku district, Southwest Japan.

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  • 中国山地,三室花こう岩及び光守花こう岩の黒雲母K-Ar年代
  • 中国山地,三室花崗岩及び光守花崗岩の黒雲母K-Ar年代
  • チュウゴク サンチ ミムロ カコウガン オヨビ ミツモリ カコウガン ノ

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Abstract

Two K-Ar age determinations were carried out on the Mimuro and Mitsumori Granites, which are located in the chain of Eocene fine-grained plutons. These yield Late Cretaceous ages of 77.1±3.9 Ma and 81.8±4.1 Ma, respectivery.

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