福岡県星野金鉱床西部地域の地質と火山岩類のフィッション・トラック年代

DOI Web Site 被引用文献4件 参考文献23件
  • ベルハディ アハマド
    Department of Earth Resources Engineering, Faculty of Engineering, Kyushu University
  • 姫野 修
    Department of Earth Resources Engineering, Faculty of Engineering, Kyushu University
  • 渡辺 公一郎
    Department of Earth Resources Engineering, Faculty of Engineering, Kyushu University
  • 井澤 英二
    Department of Earth Resources Engineering, Faculty of Engineering, Kyushu University

書誌事項

タイトル別名
  • Geology and zircon fission track ages of volcanic rocks in the western part of Hoshino gold area, Fukuoka Prefecture, Japan.

この論文をさがす

抄録

The Hoshino gold area is located in the western part of the Hohi volcanic zone, northern Kyushu. Volcanic rocks in this area vary from andesitic rocks in the north to dacite and rhyolite in the south. The basement is constituted by metamorphic rocks of pre-Cretaceous age. The volcanic rocks of Pliocene age were subdivided into eight volcanic units.<br>     Seven fission track ages of zircons from five volcanic units have been determined, using the external detector method. The age data obtained, combined with some previously reported ages, show that two main volcanic activities have occurred in the area. The first volcanic activity took place around 4.3 Ma, and resulted into the deposition of the Hoshino Andesite and the Ikenoyama Conglomerate. The second main volcanism started around 3.5 Ma, and was characterized by the eruption of the Shakadake Andesite and the Reiganji Andesite at the early stage, then, by more acidic rocks of the Takeyama Andesite, the Hyugami Dacite and the Kuroki Rhyolite at the later stage. The main volcanism in the area ceased around 2.6 Ma.

収録刊行物

  • 岩鉱

    岩鉱 94 (12), 482-494, 1999

    一般社団法人　日本鉱物科学会

被引用文献 (4)*注記

もっと見る

参考文献 (23)*注記

もっと見る

キーワード

詳細情報 詳細情報について

問題の指摘

ページトップへ