辽河盆地东部凹陷北段新生代盆地具下断上拗的双层结构，是伸展和走滑联合作用的断陷盆地。
Cenozoic East Sag of Liaohe basin consists of double structure and is a fault depression basin with extending and strike slipping.
硬顶法结构紧、外观好但比较“脆”，牵引法生产的韧性好但外观差，侧面有工艺凹陷。
The hardtop method of tight structure, good appearance, but more "brittle" traction method for the production of good toughness but poor appearance, the side process of depression.
该凹陷沉积的碎屑岩具有矿物成分成熟度低和结构成熟度低的特征，所以其埋藏成岩作用十分强烈。
The clastic rocks in this depression are characterized by low maturation of the mineral composition, and low maturation in structure, thus diagenesis due to burial is very strong.
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