The discriminant analysis on inorganic element abundance shows that the palaeosedimentary environment of Jurassic in the Yanqi Basin is close to that of Dongying Sag.

 
  • 萨胡判别分析证明,与煤共生的粗碎屑岩不是形成于河流环境,而是形成于深水浊积沉积环境。
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