晚中新世以后，盆地进入浅海半深海沉积环境的裂后热沉降期。

After Late Miocene, the basin got into a post_rift thermal subsidence stage in a shallow to semi_deep sea environment.

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晚中新世以后，盆地进入浅海半深海沉积环境的裂后热沉降期。

After Late Miocene, the basin got into a post_rift thermal subsidence stage in a shallow to semi_deep sea environment.

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