Eocene信息详情
n.始新世
adj.始新世的
Neocene───adj.新第三纪的；n.晚第三纪
Eocene───adj.始新世的；n.始新世
Miocene───adj.第三纪中新世的；n.第三纪中新世；中新世沉积岩
Neogene───n.[地质]新第三纪（等于Neocene）
epicene───adj.通性的；有两性特征的；n.阴阳人
-cene───n.(Cene)人名；(塞)采内
Dorene───多琳
Eogene───n.[地质]早第三纪
Nicene───adj.尼西亚的；尼西亚信经的；尼西亚派的
The other was a feathered skull from the Eocene (55m years ago) that had been unearthed in Denmark.───另一个是在丹麦发掘到的始新世（5500万年前）的一根羽骨。
Few or any anthropoids are known to have existed in Africa during this period, known as the Eocene epoch.───在这个被称为“始新世”的时期，非洲有类人猿的存在。
The trouble is that if the genetics researchers are right, these modern groups did not actually originate in the Eocene.───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 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。
Eocene seas were home to an unusual and gigantic form of early whale called Basilosaurus.───始新世的海洋中游荡着一种与众不同，体型庞大的早期鲸鱼--龙王鲸。
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。
As with many mammal groups, even-toed ungulates first appeared during the Early Eocene (about 54 million years ago).───与许多哺乳类族群一样，偶蹄目最初出现在早古新世（约5400万年前）。
The delta proper began developing in the Eocene , accumulating sediments that now are over 10 kilometers thick.───三角洲的形成开始于始新世，现在沉积物积聚了10千米的厚度。
The unconformity between the Eocene and the Lower Cretaceous is common in Jiuquan basin.
Eocene through lower Oligocene lacustrine shales and Oligocene through lower Miocene lacustrine and deltaic coaly shales are the mature source rocks.
In the middle Eocene formations of North America occurs the more specialized Uintatherium (or Dinoceras ), typifying the family Uintatheriidae.
Dating from the Eocene Epoch, the crater is likely less than 50 million years old, but the impact bored into Proterozoic sandstones well over 500 million years old.
It indicated that during the midterm Eocene epoch or before the wild buffalo, david deer and Chinese alligator originated from the middle lower reaches of Yellow River.
Paleocene - Eocene terrigenous deposits, deposited in grabens and half-grabens, constituted the lower tectonic layer of the sedimentary basins of South China Sea.
Any of various extinct ungulate mammals of the Eocene to Pleistocene epochs, having distinctive three-clawed, three-toed feet.
The impact forming this crater occurred during the Eocene Epoch, a period of much warmer climate than today's, when subtropical conditions extended as far north as the Arctic Circle.
There are four hydrocarbon source rocks, Palaeocene, Eocene, Oligocene and Miocene.