它们分属于晚白垩世早期、晚白垩世—古新世。
Their ages may be early Late Cretaceous and Late Cretaceous-Paleocene.
福鼎组和石帽山群的时代应分别为早白垩世中、晚期和晚白垩世早期。
The age of the Fuding Formation and the Shimaoshan Group may be assigned to middle-late early Cretaceous and early late Cretaceous respectively.
进入早白垩世晚期至晚白垩世早期，由于双重俯冲带中西侧俯冲作用带基本停止活动，而本区地慢热能的快速衰减则控制盆地的构造热演化；
Both the Pacific plate and the Siberian block slowed down in the early Cretaceous, and almost stopped in the middle Cretaceous with the rapid decrease of abnormal heat in the mantle below.
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