乌伦古河组——早始新世至早渐新世。
Late Oligocene and the Ulunguhe Fm. Early Eocene to Early Oligocene.
样品的地层年代介于渐新世和上新世之间。
The samples are from Oligocene, Miocene and Pliocene strata.
北部湾盆地在中始新世至早渐新世是一个湖泊。
Beibu Wan Basin was a lake in the middle Eocence-Lower Oligocene.
在先前的渐新世，草地的面积增大，森林的面积减少。
As in the Oligocene before it, grasslands continued to expand and forests to dwindle in extent.
栎粉属-柳粉属-粉属组合，属晚始新世-早渐新世。
Quercoidites - Saliaxipollenites- Fraxinoipollenits assemblage, which may belong to Late Eocene-Early Oligocene.
自渐新世，中国东部大陆进入了张裂的大陆边缘阶段。
The eastern China continent has entered into the stage of rifting continental margin since Oligocene.
渐新世火山岩为高钾钙碱性系列，中新世岩石属于钾玄岩系。
Eocene lavas belong to high K Calc alkaline (HK CA) series and those of Miocene to shoshonite (SHO) series.
包裹体等分析表明，盆地油气运移始于晚渐新世—早中新世，延续至第四纪。
Inclusion data shows that the migration of petroleum in the basin initiated from the Late Oligocene to the Early Miocene, up to the Quaternary.
会聚构造型式以对冲式及叠覆式为主要类型，形成时期在晚始新世—渐新世。
The main patterns of the convergent structure are the ramp type and the superimposed one. And their forming periods are Late Eocene Oligoecne.
晚渐新世—中中新世，盆地逐渐由断陷转为断拗，沉积范围不断扩大，整体处于海相沉积环境。
During the period from Late Oligocene to Middle Miocene, the basin changed from rifting to depression, and the depositional area continued to expand in the Marine environment.
渐新世纪第三纪始新世与中新世之间的地质纪元，大约从三千八百万年持续到二千五百万年前的一段时间。
Oligocene a geological epoch in the Tertiary, between Eocene and Miocene, lasting from about 38 to 25 million years ago.
研究注意到在2个结壳中都没有发现可信的晚渐新世到中新世的化石记录，在个别层位之间存在着沉积间断。
This study notes that no reliable Late Oligocene to Miocene nannofossil markers were found in these 2 crusts. Furthermore, sedimentation hiatus was observed.
本文用沉积学方法探讨了该盆地渐新世早期常年盐湖沉积体系的沉积相特征、成盐方式、相带分布及控制因素。
Sedimentological methods have been applied to study the sedimentary facies and characteristics of the flourish stage of the development of the salt lake in this tectonic basin.
矿区出露中朱罗统叶巴组火山次火山沉积岩、古新世黑云母花岗斑岩、中新世二长石英斑岩以及渐新世花岗斑岩。
The middle Jurassic Yeba formation volcanics, Paleocene biotite granite porphyry, Miocene quartz monzonite and Oligocene granite porphyry could be found in the ore field.
而在大约3千4百万年前的渐新世的欧亚大陆上达到顶峰，在大约1千万年前中新世的欧亚大陆和非洲大陆又再次达到顶峰。
It peaked in the Oligocene Epoch around 34 million years ago in Eurasia, and again in the Miocene Epoch about 10 million years ago in Eurasia and Africa.
运动学模式发生巨大转变的时期，大致在始新世与渐新世之间，这与全球运动学和动力学发生的重大改组的时间相一致。
The massive changes of the kinematic pattern occurred roughly between the Eocene and Oligocene epochs, which is in accordance with the great reorganization in global kinematics and dynamics.
珠江口盆地晚渐新世至早中新世所形成的珠江组和珠海组是盆地内烃类的重要储集层，在珠三坳陷中珠江组砂岩比珠海组的更为重要。
The sandstones of Zhujiang and Zhuhai formations, which were formed during the Late Oligocene and Early Pliocene, are major reservoir for hydrocarbon in Pearl River Mouth Basin.
在系统分析北部湾盆地涠西勘查区地震剖面的基础上，认为北部湾盆地涠西勘查区发育两期反转构造即渐新世末期及中新世末期反转构造。
It was indicated that there were two different inversion structures formed in two period based on analysis of seismic profiles in Weixi exploration region of the Beibuwan Basin.
深水区储层至少有三套，始新世陆相地层、下渐新统海陆过渡相地层和上新统及其以上海相深水扇。
There are at least three reservoir cases in deepwater: Eocene terrestrial formation, low Oligocene transitional formation and Pliocene and above Marine deepwater fans.
深水区储层至少有三套，始新世陆相地层、下渐新统海陆过渡相地层和上新统及其以上海相深水扇。
There are at least three reservoir cases in deepwater: Eocene terrestrial formation, low Oligocene transitional formation and Pliocene and above Marine deepwater fans.
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