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.
上古生界石炭系羊虎沟组砂体以潮坪、泻湖沉积为主；
The sandstone body of Yanghugou formation deposited mostly from tidal flat and lagoon.
结果表明：黑麦草类的适应性状和坪用性状均优于早熟禾和高羊茅类。
The results showed that the adaption of Lolium was higher than Poa and Festuca.
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