Paleocene the oldest epoch of the tertiary , 65 - 55million yesrs ago 古新世:第三紀最古的年代, 6500萬5500萬年前。
Research on some favorable phase belts about the reservoir caprocks of cretaceous - paleocene in jianghan basin 下第三系儲層蓋層有利相帶研究
It is the first time to apply this method to study sedimentary facies of the paleocene - miocene in the qaidam basin 這是首次將定量的沉積相研究方法應用于柴達木盆地的古新統至中新統。
The paleocene epoch , 63 millions ago , is a crucial time in the history of mammals , it was a world without dinosaurs 古新的世紀, 63成千上萬前,是關鍵的時光在哺乳動物的歷史上,它是一個世界沒有恐。
From paleocene to miocene , the sedimentary facies evolved from the extensive alluvial fan to the braided fluvial river environment 從古新世到中新世,柴達木盆地北緣經歷了由大規模沖積扇沉積到辮狀河沉積的演化過程。
Paleontological studies showed that modern avian groups probably first appeared in the paleocene and experienced an explosive radiation in the early cenozoic 古生物學研究表明,現生鳥類的最早出現是在古新世,而爆發性輻射演化發生在新生代早期。
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 中侏羅世末期、白奎紀末期的地層抬升剝蝕,以及古始新世的斷裂活動對中生代形成的原生油氣藏破壞作用明顯。
Only ten million years later , at the end of the paleocene , they had occupied a large part of the vacant ecological niches , often competing with giant carnivorous birds , especially in south america 只十百萬年后,在結尾的古新,他們占領了空置生態學適當位置的一大部份,經常競爭與巨型肉食鳥,特別是在南美洲。
The sedimentary systems were alluvial fan - braided fluvial river - lacustrine depositional systems during the paleocene - eocene , and braided fluvial river - lacustrine depositional systems during the oligocene - miocene 古新世始新世發育沖積扇辮狀河湖泊沉積體系,漸新世中新世發育辮狀河湖泊沉積體系。
The study results can be summerized as following aspects : ( 1 ) the basic settling curve of this basin was broken - line shape of seven sections in which upper jurassic , lower cretaceous , eocene , oligocene and neogene corresponded with the decline ones representing five episodic clear subsidences of this basin , late cretaceous to paleocene and early miocene corresponded with the rising ones reflecting the uplift and denudation of this basin . ( 2 ) the subsidence of this basin migrated from the east to the west , from mesozoic to cenozoic 研究表明: ( 1 )北黃海盆地的基本沉降曲線型式為7段折線狀,其中晚侏羅世、早白堊世、始新世、漸新世、新近紀為曲線下降段,代表盆地5幕較明顯的沉降;晚白堊世古新世以及中新世早期為曲線上升段,反映盆地的抬升剝蝕。
The Paleocene (symbol Pε) or Palaeocene, the "early recent", is a geologic epoch that lasted from about ( to ). It is the first epoch of the Palaeogene Period in the modern Cenozoic Era.