upper Tertiary

Division of the Upper Tertiary of the Huaibei plain and sporo pollen sequence

淮北平原上第三系划分和孢粉序列

And that in the upper Tertiary reservoirs are of secondary oil/ gas reservoirs, accumulated through upward remigration of hydrocarbons from the adjustment and damage of the lower Tertiary reservoirs, due to post Pliocene tectonic movements.

上第三系油气藏属于次生油气藏，它们主要是由于上新世以后因构造变动导致下第三系油气藏调整和破坏，油气发生向上再运移而聚集形成的。

In the Quaternary formation and Upper-Tertiary formation of Yinggehai Basin, except for abnormal pressure and compaction, there are mainly four factors affecting acoustic time, which are lithology variation, cementation, gas in the formation and crack.

莺歌海盆地第四系和上第三系地层内除异常压力和压实作用外，影响声波时差的因素主要有岩性变化、成岩胶结作用、地层含天然气及裂缝的存在。

℃/ km, which indicate that there have been a relatively large regional tectonic thermal event during the Early Cretaceous. The R o of the Upper Cretaceous and Lower Tertiary distribute narrowly between 0.40% and 0.74% and the geothermal gradient is 38.30?

上白垩统和下第三系Ro集中分布在0.40%～0.74%，地温梯度为38.30℃/km。