Geologists have studied the way that heat flows from the earth.
地质学家们已经研究了热量从地表流出的方式。
So, in recent years, some geologists have used plate tectonic theory to make what they call geopredictions.
因此，近年来，一些地质学家会利用板块构造理论来进行他们所谓的地质预测。
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？
Geologists have calculated the age of the earth.
地质学家已经计算出了地球的年龄。
Many expert geologists have participated in the survey of this area.
许多地质专家参加了这个地区的调查。
How could geologists have overlooked such an important process for so long?
地质学家怎么会长时间地忽视如此重要的变化过程呢？
Geologists have found that the crust is about 4 to 10 miles thick under most of the oceans.
地质学家发现在绝大部分的海洋下面地壳厚度都是大约在4- 10英里之间。
GEOLOGISTS have long known that some Marine earthquakes generate fierce tsunamis and some do not.
地质学家们早已知道有的海洋地震会引起强烈海啸，而有的则不会。
Geologists have devised a special geological time scale in reference to the earth's evolution.
地质学家们根据地球的演化历史，设计出一种特殊的地质年代表。
In fact, geologists have identified the blocks as unusually shaped, but perfectly natural, weathered beach rock.
事实上，地质学家们认定为这块形状异乎寻常石块只是完全自然风化了的海滩岩块。
Some geologists have developed the "primary stress-cooling hypothesis" based on the viewpoint of the fluid kinematics.
已有文用流体运动学的观点，提出原生应力——冷缩假说。
Although generations of geologists have been striving for providing definitive forecast, we are still far away from the goal.
虽然几代地学工作者的理想和不懈的追求，期望能给出一次明确的预报，但现在我们离这个目标还远。
Geologists have found that plankton and molluscs were wiped out in vast Numbers and that land animals and plants were also affected.
地质学家们发现，当时浮游生物和软体动物大量消失，陆生动植物也受到了影响。
Since the wide use of computers in the late 1950s, geologists have been increasingly attracted to mathematical methods of data analysis.
自从二十世纪五十年代后期广泛地应用计算机以来，地质学家们越来越喜爱用数学方法分析资料。
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。
Icelandic geologists have long monitored Katla because an eruption might melt the ice and send floodwaters rushing into the valleys below.
冰岛地质学家监测卡特拉火山的历史颇为久远，因为这座火山一旦喷发，就会融化冰原上的冰川，将洪水倾泻至下方的山谷之中。
West Junggar is an important metallogenic area in China, and domestic and foreign geologists have given much attention to it over the years.
西准噶尔是我国重要的金属成矿区，历年来备受国内外地质学家的关注。
Canadian geologists have found evidence of coal char — "remarkably similar to modern coal fly ash" in their own words — in ancient Arctic rocks.
加拿大地质学家们在古老的北极岩石中发现了煤炭的证据，“象极了现代的煤灰”这是他们的原话。
A leading U. S. newspaper reports U. S. geologists have discovered nearly one trillion dollars' worth of untapped mineral deposits in Afghanistan.
美国的一份主流报纸报道，美国地质学家在阿富汗发现了尚未开采过的价值近万亿美元的矿藏。
Some geologists have argued that the world was hit by a giant asteroid - a smaller version of one which wiped out the dinosaurs 65million years ago.
有一些地质学家则主张，地球当时是被一颗巨大的小行星所撞击——规模小于6500万年前造成恐龙灭绝的撞击。
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。
The reservoir geologists have designed geological models of reservoir to describe the 3-D structure of the reservoir and help hydrocarbon exploration and production.
储层地质学家设计了储层的地质模型，描述储层的三维结构，认识其静态和动态特征，指导油气勘探和开发。
Hydrocarbon source rock is the foundation of petroleum system and hydrocarbon accumulation, and the domestic and international oil geologists have carried on a various research.
烃源岩是含油气系统和油气成藏的基础，国内外油气地质学家对其进行了多方面的研究。
Quantitative estimation of unknown mineral resource is an important step of resource assessment. Geologists have been keeping on searching for proper methods of reserve estimate.
未发现矿产资源潜力的资源定量估算一直是资源评价的重要工作，关于资源量估算的方法也在不断的探索中。
Quantitative estimation of unknown mineral resource is an important step of resource assessment. Geologists have been keeping on searching for proper methods of reserve estimate.
未发现矿产资源潜力的资源定量估算一直是资源评价的重要工作，关于资源量估算的方法也在不断的探索中。
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