The lie concealed carbonate cranny Karst water-bearing rock group which mainly are Ordovician distributing outer of the the Archaean era limestone aquifer are the powerful supply of that.

• 在该含水层外围,以奥陶系为主的隐伏型碳酸盐类裂隙岩溶含水岩组,是其强大的补给来源,这对矿井安全威胁较大。