Based on the analysis of core of Subei basin during late Cretaceous and Paleocene Epoch, the authors conclude that Subei Basin was linked with the sea and the deposit was affected by transgression.

• 摘要通过对苏北盆地钻井岩心分析研究总结得出，在晚白垩世、古新世苏北盆地曾与海相通，并遭受海侵影响。