Their ages may be early Late Cretaceous and Late Cretaceous-Paleocene.
它们分属于晚白垩世早期、晚白垩世—古新世。
The east depression of Liaohe Basin is a Cenozonic intra continental rifting basin formed on the late Cretaceous Paleocene regional uplift.
辽河盆地东部凹陷是在晚白垩世—古新世区域隆起背景上形成的新生代板内裂陷。
The Mesozoic primary hydrocarbon accumulation has been heavily damaged by the denudations at latest middle Jurassic and latest Cretaceous and the faulting from Paleocene to Eocene.
中侏罗世末期、白奎纪末期的 地层抬升 剥蚀，以及古-始新世的断裂活动对中生代形成的原生 油气藏破坏作用明显。
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