The chloride content of Carboniferous core in the east part of Sichuan gradually reduces from west to east in the area of Datianchi-Mingyuexia structure.

• 在四川东部石炭系岩心中，氯化盐含量在大天池-明月峡构造以东地区呈由西向东逐渐减少的趋势，而构造以西地区则呈现多个高低变化相间的孤立状态。