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中文摘要：
国外单纯地依靠建立深水扇沉积模式来研究深水沉积已经走入了困境,本文尝试通过三级“源-渠-汇”耦合研究来探索珠江深水扇系统的沉积。三级次的源-渠-汇耦合研究方法是把控制珠江深水扇系统沉积的诸因素分成宏观-中观-微观级别,分层次地考察珠江深水扇系统。强调利用宏观研究来描述发育珠江深水扇系统形成的地质条件;利用以层序地层解释为主要手段的中观研究刻画出深水扇的沉积结构模式;通过沉积内幕及其响应关系的微观研究识别珠江深水扇的供源背景、输送管道、沉积微观内幕、沉积过程、沉积流态、储集条件和圈闭性。这种方法较之传统扇模式更能从成因上分层次地揭示深水扇的形成发育演化。
英文摘要：
Deep-water clastic deposition study based on simple deep-water fan depositional models was proven to meet great challenge, and so this paper try to recognize the deposition of the Pearl River Deep-water Fan System using three hierarchies ＂ source-conduit-sink＂ coupling analysis, which divides controlling depositional factors into macro-, meso- and micro-hierarchy to analyze the Pearl River deep-water fan system. This method emphasizes analyzing macro-hierarchy geological conditions controlling the development of the Pear River Deep-water Fan System, describing meso-hierarchy deep-water depositional architecture models under sequence stratigraphy study, and recognizing sedimentary source, feeding channel, fan micro-architecture and composing, depositional process, depositional rheology, reservoir and trap conditions of the Pearl River Deep-water Fan System by micro-hierarchy coupling response analysis. Compared with traditional fan models, this method would help better understand the development and evolution of the Pearl River Deep-water Fan System in the aspects of multiply hierarchies.
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