首先是西北缘：早石炭世末期形成西北缘界山的雏形；

Then Kelameili orogenic belt was developed in the northwest during middle and late periods of Late Carboniferous.

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东北地区中新生代盆地演化经历早侏罗世裂陷盆地、中晚侏罗世分割式前陆盆地、晚侏罗世末期至白垩纪裂谷盆地及新生代裂谷盆地四个演化阶段。

Basin evolution in ne China goes through four stages: early Jurassic rift basin, middle-late Jurassic partitioned foreland basin, late late Jurassic-Cretaceous rift basin and Cenozoic rift basin.

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拟鳞木植物群逐渐从泥盆纪植物群分离出来，繁盛于早石炭世早期， 绝灭于早石炭世末期。

The flora reached its full flourish in the early Early Carboniferous and became extinct at the end of the Early Carboniferous.

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