中国早、晚古生代、中生代和新生代成煤期的大地构造性质，在各个地区可有不同。
The tectonic nature of different regions in China in the Early and Late Paleozoic, Mesozoic and Cenozoic coal-forming periods is different.
酒泉盆地普遍发育了晚白垩世-始新世的不整面合，该期构造变形在花海地区表现尤为明显。
The late Cretaceous-Eocene unconformity is widely developed in the Jiuquan Basin, especially in Huahai area where the tectonic deformation is very prominent.
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