高沟组为棕红、浅灰、灰黑色砾岩，细-粉砂岩，钙质粉砂岩。
在它的东南和西北分别有北北西走向的羊坪子-纸厂沟断层组和北西走向的前波、高牛场等断层。
In the southeastern and northwestern parts of the area exist the NNW trending Yangpingzi Zhichanggou fault set and NW trending Qianbo and Gaoniuchang faults, respectively.
鄂尔多斯盆地下奥陶统马家沟组碳酸盐岩分布广，但有机质丰度较低，且成熟度高。
The carbonate rocks in the Lower Ordovician Majiagou Formation of Ordos Basin are widely distributed, but their organic matter content is low and maturation high.
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