1、 The environments for the formation of organic material include neritic shelf open water environment and semi-enclosed lagoonal sedimentary environment.
有机质形成环境既有浅海陆棚相开阔型水体环境，也有半封闭型泻湖相等沉积环境。
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2、 In the Jurassic and Cretaceous, generally it was also the shelf sea (shallow sea), but there were lacustrine and lagoonal environments in different parts of the basin.
侏罗纪-白垩纪在总的浅海陆棚环境下，盆地不同地区也形成了湖泊和潟湖环境。
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