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我国不同类型的古湖盆广布和发育,湖盆中生油岩最早形成于晚二叠世,中生代以来直至早第三纪占有主导地位,它为我国油气田的形成奠定了良好的基础。
The different types of ancient lake basins in China are widely distributed and developed. The middle petroliferous rocks in the basin were first formed in the Late Permian, and dominated since the Mesozoic up to the early Tertiary, which laid a good foundation for the formation of oil and gas fields in China.