The research area is mainly located in a delta plain environment including distributary braided channels, natural levees, flood basins, flatland morasses and distributary beaches.

 
  • 在相分析的基础上,进一步研究了区内沉积微相的平面展布特征及其演化规律,认为区内山1期为近海湖泊辫状河三角洲,到山2期以后演化为内陆湖泊三角洲。
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