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珠Ⅲ次盆地是南海北部陆架珠江口盆地三个次盆地中的一个，为形成于早第三纪的裂谷盆地，是珠江口盆地早第三纪断陷湖群的一部分。珠Ⅲ次盆地的演化可以分为三期：早期湖相（古新世－中渐新世）、中期海湾相（晚渐新世）和晚期开放浅海相（晚第三纪）。依次形成生油层、储集层?
The Pearl III basin is one of three sub-basins in the Pearl River Mouth Basin in the northern South China Sea. It was formed in the early Tertiary rift basin and is part of the Early Tertiary rift lake in the Pearl River Mouth Basin. The evolution of the Pearl III sub-basin can be divided into three phases: the early lacustrine facies (Paleocene-mid-Oligocene), the mid-Gulf facies (late Oligocene) and the late open marine facies (late Tertiary). Followed by the formation of oil reservoir, reservoir?