奥陶纪灰岩

  • 网络Ordovician limestone;O limestone
奥陶纪灰岩奥陶纪灰岩
  1. 郭庄泉为一全排型、侵蚀&构造上升泉,出露于中奥陶纪灰岩中。

    The Guozhuang Spring exposed in the Middle Ordovician limestone is one of complete-drainage and of erosion structure of ascending type .