The mineral content of groundwater normally increases with the depth, but even quite shallow aquifers can be highly saline.
地下水的矿物含量通常随深度的增加而增加，但即使很浅的蓄水层中可能含盐量也很高。
2
The important prospecting criteria for K salt deposit are the fluid inclusion rich in K of mineral and rock, the hot spring rich in K and the saline lake rich in K.
矿物岩石流体包裹体的富钾成分、富钾热泉、富钾盐湖均是寻找钾盐矿床的重要指示。
3
The saline lake mineral resource is extremely scarce and urgently needed in our country.