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东北地区的晚古生代地层为大陆边缘沉积,这个大陆边缘是一个可识别的大陆南缘的海相地层组成,岩石类型包括粉砂岩、砂岩、泥板岩及灰岩。而中、新生代该地区发生的大规模拆离―走滑使得原本较为完整的、稳定的块体发生了分割与位移。
The Late Paleozoic strata in northeastern China are continental margins. The continental margin is a recognizable continental margin of the southern margin of the continental margin. The types of rocks include siltstone, sandstone, shale and limestone. In the Meso-Cenozoic, the large-scale disintegration and slippage in the area led to the division and displacement of the originally more complete and stable block.