晚古生代灰白色中厚层状灰岩逆冲在三叠纪薄板状灰岩（植被掩盖）之上。断层面倾向南，倾角40°±。大约距今2.99亿年至2.52亿年。

  In late Paleozoic gray thick bedded limestone thrustedon Triassic laminated limestone (vegetation cover). The tendency of fault is south and the dip is 40°of thrust plane. Approximately 299 to 252 million years ago.