加蓬含盐盆地
salt-bearing basin in Gabon
四川盆地地区
Sichuan Basin region SCBR
Sichuan Basin region
sichuan basin
高钙碳酸盐地质样品
high-calcium geological sample
耕地盐渍化
salinization of cultivated land
海岸湿地盐碱土
saline-alkali soil in coastal wetland
含盐地层层序
saline formation sequence