oligocene
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n. 渐渐统；渐新世
adj. 渐渐统的；渐新世的
n.
渐新世，渐新统；
adj.
渐新世的，渐新统的；
英英释义
oligocene
n.from 40 million to 25 million years ago; appearance of sabertoothed cats
同义词：Oligocene epoch
双语例句
用作名词(n.)
Beibu Wan Basin was a lake in the middle Eocence-Lower Oligocene.
北部湾盆地在中始新世至早渐新世是一个湖泊。
Venezuela, oil is produced from lenticular sandstone beds of the Oligocene oficina Formation.
委内瑞拉奥斯特拉油田的产油层，为渐新世奥菲西那组透镜状砂岩层。
The continental deposits of Enping formation aged from Oligocene to Eocene of Palaeocene are well-developed and widespreaded in the Pearl River Mouth Basin.
珠江口盆地下第三系始新统至渐新统恩平组分布广泛。
用作形容词(adj.)
Beibu Wan Basin was a lake in the middle Eocence-Lower Oligocene.
北部湾盆地在中始新世至早渐新世是一个湖泊。
Venezuela, oil is produced from lenticular sandstone beds of the Oligocene oficina Formation.
委内瑞拉奥斯特拉油田的产油层，为渐新世奥菲西那组透镜状砂岩层。
权威例句
Oligocene CO2 decline promoted C4 photosynthesis in grasses.The heartbeat of the Oligocene climate system
Faunal stability during the Early Oligocene climatic crash
Global cooling during the eocene-oligocene climate transition
Astronomical calibration age for the Oligocene-Miocene boundary
Late Oligocene-early Miocene unroofing in the Chinese Tian Shan: An early effect of the India-Asia collision
Climate response to orbital forcing across the Oligocene-Miocene boundary.
A new spadefoot toad from the Oligocene of Mongolia with a summary of the evolution of the Pelobatidae
Tibetan plateau aridification linked to global cooling at the Eocene-Oligocene transition
Magnetic Polarity Stratigraphy and Mammalian Fauna of the Deseadan (Late Oligocene-Early Miocene) Salla Beds of Northern Bolivia
Oligocene (adj.)
1856, "pertaining to the Tertiary period between the Eocene and the Miocene," coined in German (1854) by Heinrich Ernst von Beyrich, from oligo- "small, little, few" + -cene. So called because few modern fossils were found in Oligocene rocks.
1. The differences between Oligocene series in the east and west are demonstrated.
指出了盆地东部和西部渐新统存在的差异。
dj.iciba.com
2. 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.
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。
article.yeeyan.org
3. As in the Oligocene before it, grasslands continued to expand and forests to dwindle in extent.
在先前的渐新世，草地的面积增大，森林的面积减少。
space.30edu.com
4. Since Oligocene large-scale uplift, along the yamasaki, the stratums was fast denudation, break down the early uranium mineralization, made the uranium element redistributed.
渐新世以来大规模上隆，沿山前快速剥蚀，破坏了早期的铀矿化，铀元素重新分配。
www.ceps.com.tw
5. From boundary to centre of the basin, the reservoir beds for exploring for gas are Oligocene, Miocene, Pliocene and Quaternary and the lithology changes from coarseness to fineness.
从盆地边缘到中心， 有勘探意义的储层依次有渐新统、中新统、上新统和第四系，岩性由粗变细。
dj.iciba.com
6. However, there are not only a lot of sporopollen assemblages from Eocene to Oligocene but also much more ichthyolite from Oligocene to Miocene.
然而，这套地层中存在大量始新世-渐新世的孢粉组合，同时赋存有相当数量的时代为渐新世-中新世的鱼化石。
danci.911cha.com
7. The Japan Sea was begun with the second pull-apart in its southeastern part at early Oligocene due to the subduction of Pacific Plate.
渐新世初，由于太平洋板块俯冲，日本海（东南部）开始了第二次拉张。
dict.cnki.net
8. The boundaries between the Upper Cretaceous and Paleogene, Paleocene and Eocene, and Eocene and Oligocene in China nearly accord with corresponding ones elsewhere in the world.
其中，白垩系-古近系界线、古新统-始新统界线和始新统-渐新统界线与国际上相应界线接近或一致。
dj.iciba.com
9. In this article the research of pinaceous fossil cones from the Creaceous to the Oligocene in the Tertiary is reviewed and summarized systematically.
本文主要对早白垩世到老第三纪渐新世这段时间的松科化石球果的研究作了系统回顾和总结。
www.zidiantong.com
10. The Jurassic source rocks in Yuka sag entered the oil generation threshold in early Oligocene with only one hydrocarbon accumulation stage.
鱼卡凹陷侏罗系烃源岩在渐新世早期才进入生油门限，至今只有一次油气聚集期。
dict.cnki.net
11. Both the sciurids and aplodontids found from Oligocene of Asia have closer relationships with those of North America than with Europe.
蒙古渐新世啮齿类化石的新发现表明，亚洲渐新世的松鼠和山河狸与北美的关系要比与欧洲的近。
danci.911cha.com
12. After early Oligocene Nansha block with kaliamantan block collided together, the main body of Beikang basin became marine environments.
早渐新世以后，南沙地块与婆罗洲地块拼贴，北康盆地整体位于海相环境。
dict.cnki.net
13. The eastern China Continent has entered into the stage of rifting continental margin since Oligocene.
自渐新世，中国东部大陆进入了张裂的大陆边缘阶段。
dict.cnki.net
14. Eocene through lower Oligocene lacustrine shales and Oligocene through lower Miocene lacustrine and deltaic coaly shales are the mature source rocks.
始新世到渐新世湖泊页岩、渐新世到中新世到湖泊和三角洲页岩都是成熟的矿源岩。
dictsearch.appspot.com
15. This study notes that no reliable Late Oligocene to Miocene nannofossil markers were found in these 2 crusts. Furthermore, sedimentation hiatus was observed.
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。
dict.cnki.net
16. The medium reversion in late Oligocene mainly occurred in the eastern fault zone of the basin, and the inversion strength decreased from south to north in the study area.
渐新世末的中期反转主要发生在盆地的东缘断裂带，且研究区由南向北反转强度减弱；
www.ceps.com.tw
17. 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。
dict.cnki.net
18. Produced in Asia, Eastern Europe Oligocene .
产于亚洲、欧洲东部渐新统。
danci.911cha.com
19. The middle Jurassic Yeba formation volcanics, Paleocene biotite granite porphyry, Miocene quartz monzonite and Oligocene granite porphyry could be found in the ore field.
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。
www.fabiao.net
20. Regional data also show that a large-scale regional uplift of mountains in the northern edge of the Qinghai-Tibetan plateau occurred during Oligocene-Miocene period.
区域资料分析表明，青藏高原北缘在渐新世至中新世期间发生了大规模的、区域性的抬升。
dict.cnki.net
21. So, the timing of terrestrial strata can be defined from Eocene to Oligocene in Paleogene.
因此，尼玛盆地的陆相地层时代应为古近纪始新世-渐新世。
danci.911cha.com
22. At the beginning of Oligocene Xihu sag turned to depression period and deposit mostly by terrestrial stratum, meanwhile the center of sediment transfer to the Westnorth.
渐新世开始，西湖凹陷转变为坳陷阶段，以陆相沉积为主，沉积中心向北西迁移。
www.fabiao.net
23. Based on the statistics of core analysis data, the Oligocene sediment is simplified as four formation components: terrigenous elastic minerals, carbonate, clay minerals, and porosity.
根据岩芯分析资料，将渐新统地层简化为陆源碎屑、碳酸盐、粘土矿物和孔隙四种组分。
dictsearch.appspot.com
24. Second, from late- Oligocene to mid-Miocene, oceanic spreading of the South China Sea caused the Nansha block to move to its present location.
晚渐新世-中中新世，由于洋壳扩张南海盆地形成，南沙地块漂移到现今位置。
dictsearch.appspot.com
25. Oil and gas in Jurassic reservoirs have been accumulated in 3 different stages, including the end of Jurassic, Oligocene and Pliocene;
结果表明：侏罗系油气藏具有三个油气成藏期，分别为侏罗纪末、渐新世和上新世；
www.chemyq.com
26. 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.
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。
dict.cnki.net
27. During the subduction, large-scale tectono-magmatic activities and epithermal Au mineralizations happened during the late Oligocene-middle Miocene.
俯冲过程中加里曼丹岛北缘在晚渐新世一中中新世发生大规模的构造岩浆活动及浅成低温热液金成矿作用。
www.ceps.com.tw
28. Oligocene A geological epoch in the Tertiary, between Eocene and Miocene, lasting from about 38 to 25 million years ago.
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。
http://www.chazidian.com
29. Oligocene A geological epoch in the Tertiary, between Eocene and Miocene, lasting from about 38 to 25 million years ago.
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。
http://www.chazidian.com
30. Oligocene erosion had truncated the sediments draped over the dome.
覆盖于穹丘上的沉积岩为渐新世侵蚀所截削。
-- 来源 -- 英汉 - 辞典例句
31. any of many extinct cats of the Old and New Worlds having long swordlike upper canine teeth; from the Oligocene through the Pleistocene.
东半球许多已经灭绝的猫科动物，其上犬齿形如长剑；生活在从渐新世经由更新世时期。
-- 来源 -- 汉英 - 翻译参考
32. In the Ostra Field, Venezuela, oil is produced from lenticular sandstone beds of the Oligocene oficina Formation.
委内瑞拉奥斯特拉油田的产油层，为渐新世奥菲西那组透镜状砂岩层。
-- 来源 -- 英汉 - 辞典例句
33. Of, relating to, or designating the geologic time, rock series, sedimentary deposits, and fossils of the second oldest of the five major epochs of the Tertiary Period, extending from the end of the Paleocene to the beginning of the Oligocene, and characterized by the rise of mammals.
始新世的关于或标明第三纪的五个世中第二世的地质时代、岩系段，沉积矿床和化石的，该世由古新世末期到渐新世初期，以哺乳动物的繁盛为特征
-- 来源 -- 英汉 - 短句参考
34. Any of various extinct herbivorous hoofed mammals of the genus Brontotherium and related genera, of the Eocene and Oligocene epochs, resembling the rhinoceros.
雷兽类一种已绝迹的雷兽属和其它相关属类的有蹄食草哺乳动物，生长于始新世和渐新世，类似于犀牛
-- 来源 -- 英汉 - 短句参考
35. The deposits of the Oligocene Epoch.
渐新统渐新世的沉积物
-- 来源 -- 英汉 - 短句参考
36. genus of fossil plants of the Oligocene having flowers resembling those of the witch hazel; found in Baltic region.
渐新统的长有象榛树的花的化石植物的属；主要在波罗海地区。
-- 来源 -- 汉英 - 翻译参考
37. Venezuela, oil is produced from lenticular sandstone beds of the Oligocene oficina Formation.
委内瑞拉奥斯特拉油田的产油层，为渐新世奥菲西那组透镜状砂岩层。
-- 来源 -- www.jukuu.com
38. Oligocene series
渐新统
-- 来源 -- 英汉 - 翻译参考[网络]
39. They have also unearthed some clues from the ensuing Oligocene, when the modern suborders of cetaceans—the mysticetes (baleen whales) and the odontocetes (toothed whales)—arose.
在随后的渐新世地层中，他们也找到了一些线索；须鲸亚目（有鲸须的鲸鱼）与齿鲸亚目（有齿的鲸鱼）就是在那时候分化的。
-- 来源 -- 网友提供
oligocene
