可以开采和提取钾元素或钾化合物的矿床。广义的钾盐矿床还应包括钾石盐和钾镁盐一水氯镁石、光卤石和杂卤石。这其中，水氯镁石属于镁盐，由于水氯镁石等镁盐常与钾石盐和光卤石伴生，这种钾盐矿床又称为钾镁盐矿床。
本文综述了世界大型钾盐矿床的成钾条件；
The general and necessary conditions of mineralization of kali salt deposits are reviewed.
海水干涸后，独特的Verchnekamsk地区出现了钾盐矿床。
The sea dried out later leaving the unique Verchnekamsk potassium deposit instead.
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。
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.
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