Lyell's strategy for estimation of geologic dates was not very accurate.
莱尔估算地质年代的方法不是很准确。
Many scientists provided valuable research and input into the creation of the geologic time scale.
许多科学家为地质时间尺度的建立提供了有价值的研究和投入。
Three very large volcanoes are found on the Tharsis bulge, an enormous geologic area near Mars's equator.
在塔尔西斯高原上发现了三座非常大的火山。塔尔西斯高原是火星赤道附近一片广阔的地质区域。
Ocean sediments presented a much more complete geologic record of the Pleistocene than continental glacial deposits did.
相比于大陆冰川沉积物,海洋沉积物提供了更完整的更新世时期的地质记录。
As geologists, we examine layers of sediment on the Earth' s surface to approximate the dates of past geologic time periods.
作为地质学家,我们研究地球表面的沉积层以估算过去地质时期的年代。
Now, this apparent contradiction between geologic evidence and the stellar evolution model became known as the faint young Sun paradox.
现在,地质证据和恒星演化模型之间这种明显的矛盾被称为“微弱年轻太阳悖论”。
An objective of this particular cruise was to investigate the floor of the Mediterranean and to resolve questions about its geologic history.
这次特别巡航的目的之一是调查地中海的海床,并解决有关其地质历史的问题。
Today I want to talk about a way in which we are able to determine how old a piece of land, or some other geologic feature is—dating techniques.
今天我想谈谈一种使我们能够确定一块土地或其他一些地质特征的年代的方法——年代测定技术。
Attack by scavengers and bacteria, chemical decay, and destruction by erosion and other geologic agencies make the odds against preservation very high.
食腐动物和细菌的攻击、化学性腐烂,以及侵蚀和其他地质作用的破坏,导致无法保存的可能性非常大。
The surface of Mars shows a wide range of geologic features, including huge volcanoes—the largest known in the solar system—and extensive impact cratering.
火星表面显示出广泛的地质特征,包括巨大的火山——太阳系中已知的最大的火山——和广阔的撞击坑。
Recent geologic evidence indicates that contrary to what had been believed, substantial areas along the coast were free of ice as early as 16,000 years ago.
最近的地质证据表明,早在16,000年前,沿海岸的大部分地区就没有冰了,这与人们过去的看法相反。
A few astronomers thought they could see even more of a dinosaur-cosmos link, a pattern of mass extinctions occurring like clockwork in the geologic record.
一些天文学家认为他们可以看到更多的恐龙与宇宙之间的联系,这种大规模灭绝的模式就像地质记录上的时钟一样。
More than 20,000 apartments in France are now heated by warm underground water drawn from a heat reservoir in a geologic structure near Paris called the Paris Basin.
目前在法国,有超过2万套的公寓是由温暖的地下水供暖的,这些地下水来自一个叫做巴黎盆地的地质构造的热储,位于巴黎附近。
Massive projectiles striking much larger bodies create various kinds of craters, including multi-ring basins—the largest geologic features observed on planets and moons.
巨大的抛射物撞击更大的天体,创造了各种各样的陨石坑,包括多环盆地——这是在行星和卫星上观察到的最大的地质特征。
More recent geologic studies documented deglaciation and the existence of ice-free areas throughout major coastal areas of British Columbia, Canada, by 13,000 years ago.
更多近期的地质研究证明了13000年前的冰川消退现象和整个加拿大不列颠哥伦比亚省主要沿海地区内无冰区的存在。
Massive projectiles striking much larger bodies create various kinds of craters, including "multi-ring basins"—the largest geologic features observed on planets and moons.
大量的抛射物撞击更大的天体,形成各种各样的陨石坑,包括“多环盆地”——在行星和卫星上观察到的最大的地质特征。
There is growing evidence that the presence of humans has altered the Earth so much that a new Epoch of geologic history has begun—the Anthropocene Epoch, a new human-influenced Epoch.
有越来越多的证据表明,人类的存在使地球发生了巨大的变化,地质史上的一个新时代已经开始了——即人世时代,一个受人类影响的新时代。
A 2008 study described the complex geologic history of Oslofjorden.
2008年,一项研究从地质学上揭示了奥斯陆峡湾错综复杂的过去。
Paleoclimate the climate conditions of geologic periods in the ancient past.
Paleoclimate -古气候指的是古代地质时期的气候条件。
But Keller and Addate worried that we were misreading both the geologic and fossil records.
但Keller和Addate担心我们一直同时误解了地质和化石记录的意义。
There's a story about an old coal miner who didn't need geologic data to find coal deposits.
有一个关于老煤矿工不需要地质数据来发现煤矿点的故事。
You can't discuss climate change, Prof. Laughlin says, without looking backward across geologic time.
劳克林说,在讨论气候变化问题时,必须对比过去地质时期的情况。
For the response of the ice sheets to a still warmer world, older periods in geologic time offer parallels.
对于冰川对变暖世界的回应,以前的地质时期也出现过相似的状况。
Paramushir island in the northern Kurils is an example of a large island built by several volcanoes over geologic time.
千岛群岛北部的幌筵岛是在地质年代中由数座火山形成大型岛屿的一个实例。
In most sequestration projects, compressed carbon dioxide is injected into a geologic formation already filled with water.
大多数固碳项目是将经过压缩的二氧化碳注入已经充满水的地质层。
But on the moon such geologic features usually occur following collapses of lava tubes, which formed long ago in the moon's history.
但是在月球上,这些地质特征却往往是伴随着熔岩管(很久以前就已经出现在月球上了)崩塌而出现的。
There is a huge amount of fossil evidence. And its walls provide a record of three of the four major periods of the Earth's geologic time.
这里有大量的化石,而且大峡谷的峭壁上为我们提供了四个主要地质时期中的三个时期的信息。
There is a huge amount of fossil evidence. And its walls provide a record of three of the four major periods of the Earth's geologic time.
这里有大量的化石,而且大峡谷的峭壁上为我们提供了四个主要地质时期中的三个时期的信息。
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