【摘要】 扇三角洲一直是国内外沉积学家研究的焦点。三十余年来,经过深入地分析与研究,人们对扇三角洲沉积特征的认识也在不断深化。对扇三角洲的概念、扇三角洲的分类、形成背景、形成过程、沉积特征、沉积模式及扇三角洲的研究方法和研究方向进行了综述,这些研究对寻找沉积矿床和油气都具有重要的指导意义。但是,对于扇三角洲的研究目前还存在着一系列亟需解决的问题,有待进一步深入展开。更多还原

【Abstract】 Fan delta has been becoming a focus studied by sedimentolo gists at home and abroad.Through more than30-year in-depfh studies,fan deltas’ sedimentary characteristics are more and more understood.This paper outlines the definition,classifica-tion,formation setting and process,sedimentary characteristics and models of fan delta as well as related study methods and ten-dency.These studies are of significance for searching for mineral deposits and hydrocarbon reservoirs.Also,there exist a lot of issues to be dealt with urgently for the study of fan deltas,needing in-depth researches to be made further.更多还原