Geologists think that this fluidized ejecta crater indicates that a layer of permafrost, or water ice, lies just a few meters under the surface.
地质学家认为，这个具有流体化喷出物的陨石坑表明，在地表下几米深处有一层永久冻土层或水冰。
Geologists have long known that the Earth's mantle is heterogeneous, but its spatial arrangement remains unresolved—is the mantle essentially layered or irregu larly heterogeneous?
地质学家早就知道地球的地幔是不均匀的，但是它的空间排列仍然没有确定——地幔本质上是分层的还是完全不均匀的？
Prior to 1960, geologists Bowen and Hess disagreed over whether or not the very high temperatures needed to produce magmas rich in magnesium could have existed on Earth.
在1960年之前，地质学家鲍温和赫斯在地球上是否存在产生富含镁的岩浆所需的高温这一问题上存在分歧。
Our work was like that of geologists who compile the signs of an imminent earthquake or volcanic eruption.
我们的工作如同地质学家，我们收集一场即将到来的地震或火山爆发的迹象。
Geologists involved in the 2005 study suspect that the impact upturned bedrock, pushing it outward and breaking much of the rock into angular fragments, or breccia.
参与2005年那次研究的地质学家们怀疑，撞击翻转了下层的岩石，将它们朝外推出，并且大多破裂成棱角分明的碎片或者角砾岩。
Geologists have long known that when peridotite is exposed to the air it can react quickly with carbon dioxide to form carbonates like limestone or marble.
地理学家们以前就发现橄榄岩暴露于空气中会很快与二氧化碳反应生成碳酸盐，和石灰岩或大理石的反应一样。
U.S. geologists say they may have found the answer — or at least an important clue — in a bone-dry desert in Egypt, of all places.
美国地理学家说他们也许找到了答案——或者至少一条重要的线索——在干枯的埃及沙漠，所有的地方。
I'm sure geologists might happily consider minutes, days, or even years in some cases as real time.
我相信地质学家在某些情况下把分、日甚至年看作是实时。
I think this is a fitting name because many fossils are found buried in the rocks and must be uncovered by the geologists or paleontologists.
我认为挖掘一词用得合适，溺为许多化石都是埋减在岩石之中的，它们必须由地质学家或古生物学家去挖掘。
On the one hand, geologists realized that the formation of the rocks, and the fossils in them, would have taken hundreds or thousands of millions of years.
一方面，地质学家认识到，岩石以及岩石中的化石的形成，要花费数千亿年的光阴。
Copperfield, who turns 50 next month, said he had hired biologists and geologists to examine its potential effect on humans but he's not inviting visitors to swim in or drink from it just yet.
下月即将年满50岁的科波菲尔表示，他已经聘请了生物学家和地质学家对“不老泉”可能存在的对人类的作用进行检测，但他目前不会邀请客人在泉中游泳或饮泉水。
Nowhere else in the world have geologists found fossils of this creature, or of even closely related creatures.
地质学家在世界上其他地方还未找到这种动物的化石，甚至其近亲动物的化石也未曾找到过。
Geologists, however, think that we are due for another eruption in the future, but they cannot pinpoint when or where.
但是地质学家们预测未来会有一次爆发，但是什么时候在什么地方发生还不能预测。
Over the last few years, many tectonic geologists have paid great attention totectonostratigraphic terrane, or called terrane for short.
近几年来，“地体”问题引起许多大地构造学者的注意，甚至有人认为它是当前研究大地构造的新方向。
Over the last few years, many tectonic geologists have paid great attention totectonostratigraphic terrane, or called terrane for short.
近几年来，“地体”问题引起许多大地构造学者的注意，甚至有人认为它是当前研究大地构造的新方向。
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