In geologic time, a million years is recent history.

在学角度看来，一百万年前属于近代历史。

We do understand that the dominant geologic process that affected Mercury, or at least Mercury's surface is impact cratering.

我们知道，水星的演化中陨石撞击坑是主要的影响。

Yes, in theory, in geologic time, it will be renewable.

从理论上讲，在变化上来看，它会是可再生的。

Geologic processes buried and shifted the shoreline footprints to the cave's ceiling, 500 meters deep.

过程埋葬了这些脚印，并脚印从海岸线转移到洞穴500米深处的顶部。

To explore this theory, we have to wind the geologic clock back 4 billion years to a time when the Earth was hot and still forming.

为了探索这一理论，我们必须钟拨回到40亿年前，那时球还很热，仍在形成当中。

Over a geologic process lasting tens of millions of years that is still ongoing, magma flowed up through the plume toward the bottom of the Pacific Ocean which then cooled into rock and steadily built up into a volcano.

在续数千万年的过程中，岩浆通过火山羽流向太平洋底部，却成岩石，并逐渐形成火山。

Wegener thought that there had actually been only one continent for most of geologic time and that the giant continent had fragmented in the late Triassic Period.

魏格纳认为，在时期的大部分时间里，实际上只有一块大陆，而这块巨大的大陆在晚三叠纪时期分裂了。

The study published on Thursday in the journal Science Advances revealed that a large impact basin on Mars contained liquid water during the planet's most recent geologic epoch.

周四发表在《科学进展》杂志上的研究显示，火星上的一个大型撞击盆在其最近的时期含有液态水。

China has released the world's most detailed geologic map of the moon based on data from the country's Chang'e lunar exploration project.

中国发布了世界上最详细的月球图，这幅图以中国嫦娥工程数据为基础。

It behaves more or less like a solid, but over long periods of time, geologic periods of time, it can flow.

它的行为或多或少有点像固体，但在很长的时间周期里（学意义上的周期），它其实是流动的。

In other places, plates meet like a slow geologic car crash, crumpling up the rock and shoving it towards the sky.

在其他方，板块像缓慢的车祸一样相遇，把岩石揉皱，推向天空。

Ever since, Curiosity has been investigating the geologic record to understand when Mars might have been most suitable to host life.

从那以，好奇号就一直在调查记录，以弄清火星何时最宜居。

Planet size matters when it comes to the internal heat needed to sustain geologic activity.

经过计算，行星需要有足够大量内部才会有足够热而形成各种活动。

Ide is now doing a similar analysis on earthquakes that all happened in the same geologic setting, like subduction zones.

井出哲现在正在对所有同一环境下发生的震进行相似性分析，比如说消减带。

Cheap fossil energy, concentrated by geologic time and pressure in seams of coal or pools of oil, changed all that.

经过时间和压力的凝缩，富集于煤层和油田中的廉价化石能源改变了这一切。

Megalodon, fossils are found in the kind of geologic deposits that form pretty close to shore.

能在离海岸非常近的沉淀物中，发现巨齿鲨的化石。

One solution might be to use younger geologic spots on the moon, like lava flows, for digging up soil.

一种解决方案可能是选取月球上比较年轻的区域的土壤，如在熔岩流区域挖取土壤。

Ancient ruins and artifacts only take us back a few thousand years, geologic records only about 2 million.

古代遗迹和手工制品只能带我们回到几千年前，记录也只能到约 200 万年前。

He told the Associated Press that findings suggest the asteroid strike was a " very violent" geologic process.

他告诉美联社，这一研究结果表明，此次小行星撞击是一个“非常剧烈”的过程。

But scientists have also found lots of soot in the geologic layers deposited immediately after the asteroid impact.

但科学家们也在小行星撞击立刻沉积的层中发现了大量煤烟。