mineral stratum

• 矿层

mineral stratum的用法和样例：

例句

1. Trona is negatively correlated with mirabilite in the mineral bed sections of soda lakes.Trona and halite show a pos itive correlation.
   碱湖矿层剖面上，天然碱与芒硝呈互为消长关系，天然碱和石盐则呈正相关。