accretionary wedge
... 关键词 :增生型造山带;增生楔;增生弧;基本构造特征 [gap=1336]Key words : accretion-type orogen; accretionary wedge; accretionary arc; basic tectonic characteristics ...
[地质] accretionary prism
增生楔
taiwan accretionary prism
caledonian subduction accretionary wedge
增生楔(accretionary wedge or terrane)又称增生柱(accretion prism)、增生杂岩(accretion complex)。为俯冲的大洋板块从海沟下潜时被上盘板块刮削下来的沉积盖层和洋壳碎片,连同原地深海沉积物堆积到海沟的向陆侧而成。