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  • 館藏編號:NTUG010-T700100
  • 題名:岩石地球化學及地球的演化
  • 作者:孫賢鉥
  • 藏品形式:稿本
  • 尺寸:297X210(mm)
  • 簡述:第七講 大陸內部玄武岩, 金伯利岩及大陸岩石圈之形成和發展
  • 內容:

    Effect of regional tectonic development subduction of sediments late Cenozoic.
    Western U.S.A.: 1. heterogenous ancient lithospheric mantle island.
    2. subduction of sediment in Mesozoic.
    3. shallow asthenosphere~modifide MORB source (+sea mount
      effect)
    4. retreat of the subduction zone -> back arc basins
    5. mantle plume (yellow stone).
    Southern Rio Grande Rift well developed -> asthenospheric
    Northen Rio Grande Rift E. colorado plateau, lithospheric modern ancient plus recent subduction memory