Up to now the rocks on the south side of the Shangdan Fault, in the Danfeng area have been regarded as metavolcanites or hornfelses, which belong to Caledonian ophiolite or Qingshiya group of the Devonian system.

• 以往都将研究区内商丹断裂南侧的岩石定为角岩化碎屑岩或火山岩,划归泥盆系青石垭组或加里东蛇绿岩套。