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它侵入始新世砂岩。It intruded Eocene sandstones.

东海陆架盆地下第三系进一步细划出38个四级层序。The Eocene is subdivided into 38 fourth-order sequences.

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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.

始新统砂层的漏斗形自然电位曲线形态很明显。The funnel-shaped self-potential curve of the Eocene sands is well marked.

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。And third, there is geological evidence for plant extinctions in the Eocene.

无论用何种途径来观察始新世温室的这个谜，都对地球上生命带来不好的消息。Whichever way you look at the Eocene enigma, it is bad news for life on Earth.

眼镜猴类化石发现稍多。从始新世起发现于欧、亚、北美等地。Starting from the Eocene found in Europe, Asia, North America and other places.

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该盆地古近系发育有始新统、渐新统两套地层层序。The Paleogene series developed Eocene series and Oilgocene series in this basin.

无论用何种途径来观察始新世温室的这个谜，都对地球上生命带来不好的消息。Whichever way you look at the Eocene enigma【2】, it is bad news for life on Earth.

因此，尼玛盆地的陆相地层时代应为古近纪始新世-渐新世。So, the timing of terrestrial strata can be defined from Eocene to Oligocene in Paleogene.

茅兴块段含盐系地层主要为始新统阜宁组四段。Maoxing block saliferous strata are mainly in 4 th Member, Funing Formation , Eocene Series.

人们原先不知道在这个被称为“始新世”的时期，非洲有类人猿的存在。Few or any anthropoids are known to have existed in Africa during this period, known as the Eocene epoch.

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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。Combining with volcanic activities, Eocene hypabyssal rocks, tonalite, intruded in Cretaceous volcanic strata.

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 delta proper began developing in the Eocene , accumulating sediments that now are over 10 kilometers thick.

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。The discovery indicates that the upper part of the Relu Formation was formed in dry and hot climate in the Eocene.

平邑盆地下第三系官中段核形石较为发育，类型多样。Many types of oncoids are well developed in the Middle Member of the Guanzhuang Formation of Eocene in Pingyi Basin.

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.

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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。The new species of Scleropages from the Early Eocene of Hunan and Hubei, China is the first complete fossil of the genus.

这些化石的形成的地点和方位同时也让研究者们知道在始新世的绿河的环境条件。The placement and orientation of these fossils also tells researchers about the conditions at Green River during the Eocene.

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。Any of various extinct ungulate mammals of the Eocene to Pleistocene epochs, having distinctive three-clawed, three-toed feet.