自流盆地一种具有承压蓄水构造的向斜盆地，有大型复式构造盆地和小型单一向斜构造盆地。主要由第四纪以前的岩层组成。
这些河流的化学和同位素组成主要受其自流盆地的地质特征控制。
The chemical and isotopic compositions of these rivers are largely under controll by the geological signatures of their drainage areas.
鄂尔多斯白垩系自流水盆地北部为沙漠高原区，南部为黄土高原区。
The north district in the Ordos Cretaceous Artesian Basin is desert plateau. And the south district is loess plateau.
四川盆地侏罗纪的湖相碳酸盐岩主要分布于早侏罗世自流井组地层之中。
The lacustrine carbonates mainly distribute in the early Jurassic Ziliujing Formation in the Sichuan basin.
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