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中文摘要：
从大量的研究实例出发,分析了海相优质烃源岩的发育环境及其主要控制因素。海相优质烃源岩的形成是原始生产力、沉积速率、海平面变化、上升流、海底热液活动、冰期、沉积环境和保存条件等因素综合作用的结果,当各种因素达到最优配置时,则有利于海相优质烃源岩的形成;在特定时期、特定的沉积环境中,某一种或两种因素可以影响或改变其他因素,成为影响海相优质烃源岩形成的最关键因素;对海相优质烃源岩发育环境的评价应该综合考虑该环境下烃源岩发育的广泛程度和烃源岩有机质丰度两方面因素。
英文摘要：
The formation of the marine fine source rocks are controlled by primary production, sedimentary rate and preservation together. This paper first analyses the main factors for marine source rocks in the order of the sediment organic matter formation, sediment and preserve; and then introduces the impersonality factors such as the sea level change, uplift flow, oceanic heat flow and glacial age which could influence the formation and distribution of the marine source rocks and could change into key factors at the special epoch and special environments. Finally it discusses the sedimentary environments for the marine source rocks. The research results indicate that： ① the formation of the marine source rocks is the result of several factors, with one or two as the key factor which can influence or change other factors; ② evaluation of the sedimentary environments for the marine source rocks should consider both the development of source rocks under this environment and the organic content.
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Formation mechanism of carbonate cemented zones adjacent to the top overpressured surface in the cen
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