The gold mineralization in the Boka-Tuobuka area took place in Paleocene and early Eocene, intra-continental extensional geotectonic environment.
金矿形成于新生代第三纪古新世和始新世初的陆内拉张地质构造环境中。
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.
中侏罗世末期、白奎纪末期的 地层抬升 剥蚀，以及古-始新世的断裂活动对中生代形成的原生油气藏破坏作用明显。
The benthic extinction event (BEE) and larger foraminifera turnover (LFT) during the Paleocene-Eocene transition constitutes an important step in Paleogene larger-foraminifera evolution.
该时期的底栖大有孔虫的绝灭(BEE)以及演替(LFT)在古近纪底栖大有孔虫演化过程中起着非常重要的作用。
The trouble is that if the genetics researchers are right, these modern groups did not actually originate in the Eocene.
现在的问题是--如果遗传科研人员的论断正确无误,那么现存的哺乳动物群就不是起源于始新世时代了.
The microorganisms had lain dormant since the Eocene epoch, a time when Australia split off from Antarctica and modern mammals first appeared.
自始新世（5300-3650万年前）开始，它们便沉睡在化石之中，在那个时代，澳洲板块刚刚与南极板块分离，而现代哺乳动物刚刚开始出现。
It intruded Eocene sandstones.
它侵入始新世砂岩。
New specimens of Eocene bird Kievornis Averianov et al.
描述了始新世基辅鸟类新标本。
Late Oligocene and the Ulunguhe Fm. Early Eocene to Early Oligocene.
乌伦古河组——早始新世至早渐新世。
The oil shale mainly occurs in the Eocene-Oligocene Youganwo Formation.
油页岩主要赋存于始新渐新统油柑窝组。
The funnel-shaped self-potential curve of the Eocene sands is well marked.
始新统砂层的漏斗形自然电位曲线形态很明显。
Drawing illustrating the plants and animal life in the Eocene High Arctic.
始新世北极高地地区植物和动物生命的图示。
And third, there is geological evidence for plant extinctions in the Eocene.
第三，我们已经收集到有关始新世时代植物灭绝的地质证据。
The Paleogene series developed Eocene series and Oilgocene series in this basin.
该盆地古近系发育有始新统、渐新统两套地层层序。
Maoxing block saliferous strata are mainly in 4 th Member, Funing Formation, Eocene Series.
茅兴块段含盐系地层主要为始新统阜宁组四段。
Eocene lavas belong to high K Calc alkaline (HK CA) series and those of Miocene to shoshonite (SHO) series.
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。
Combining with volcanic activities, Eocene hypabyssal rocks, tonalite, intruded in Cretaceous volcanic strata.
伴随着火山活动，始新世英云闪长岩侵入白垩系火山岩地层。
Quercoidites - Saliaxipollenites- Fraxinoipollenits assemblage, which may belong to Late Eocene-Early Oligocene.
栎粉属-柳粉属-粉属组合，属晚始新世-早渐新世。
The discovery indicates that the upper part of the Relu Formation was formed in dry and hot climate in the Eocene.
该植物孢粉的发现肯定了热鲁组上部地层的形成时代为始新世，亦表明其形成于干旱较热的气候环境。
Many types of oncoids are well developed in the Middle Member of the Guanzhuang Formation of Eocene in Pingyi Basin.
平邑盆地下第三系官中段核形石较为发育，类型多样。
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。
The new species of Scleropages from the Early Eocene of Hunan and Hubei, China is the first complete fossil of the genus.
产于湖北松滋和湖南湘乡早始新世地层中的中华金龙鱼是金龙鱼化石的首次发现。
Any of various extinct ungulate mammals of the Eocene to Pleistocene epochs, having distinctive three-clawed, three-toed feet.
一种已灭绝的始新世和更新世的有蹄哺乳动物，其特征为有三爪，每爪有三趾。
The Chesapeake Bay region of southeastern Virginia is the site of an asteroid or comet impact that occurred during the Eocene.
维吉尼亚州东南部Chesapeake海湾地区是曾经在始新世被一颗小行星或彗星撞击的地点。
The first spreading cycle resulted in the formation of Wenchang mudstone, Eocene, which is the important and main source rock of the basin.
第一扩张旋回中形成的始新统文昌组泥岩是珠江口盆地的主要烃源岩。
During late late Cretaceous-Eocene, volcanic island arc moved eastward and the east China Sea shelf basin was turned into a back-arc basin.
晚白垩世晚期—始新世，火山岛弧向东移动，东海陆架盆地变为弧后盆地。
The sediment was laid down during the Eocene period, a time when the waters off Antarctica were about 10 degrees warmer than they are today.
这些沉积物是在始新世时期沉积下来的，当时南极沿岸的水温比今天高10度左右。
The main patterns of the convergent structure are the ramp type and the superimposed one. And their forming periods are Late Eocene Oligoecne.
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。
Gingerich believes the first cetaceans probably resembled anthracotheres, svelte hippo-like browsers that inhabited swampy lowlands in Eocene times.
金格里奇相信第一批鲸和沼泽地碳兽十分相似，一种生活在始新世时期沼泽低地里，形似河马的小型食草动物。
According to the analysis of Mesozoic and Cenozoic tectonic evolution, Bohai Bay basin is a strike slip pull apart basin formed in the Cenozoic Eocene epoch.
从渤海湾盆地的中、新生代构造演化分析，渤海湾盆地是一个新生代早第三纪始新世形成的走滑拉分盆地。
The late Cretaceous-Eocene unconformity is widely developed in the Jiuquan Basin, especially in Huahai area where the tectonic deformation is very prominent.
酒泉盆地普遍发育了晚白垩世-始新世的不整面合，该期构造变形在花海地区表现尤为明显。
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