Before Werner had begun his teaching career at Freiberg, Desmarest, the French geologist, had made a special study of the basalts of Auvergne. 李贝.西洋科学史.
Tahoe is one thousand five hundred and twenty-five feet deep in the centre, by the state geologist's measurement. 马克·吐温.傻子出国记.
No geologist feels any difficulty in Great Britain possessing the same quadrupeds with the rest of Europe, for they were no doubt once united. 查尔斯·达尔文.物种起源.
He saw all phenomena from the standpoint of the geologist. 李贝.西洋科学史.
Astronomers and geologists and those who study physics have been able to tell us something of the origin and history of the earth. 赫伯特·乔治·威尔斯.世界史纲.
Moreover, between each successive formation we have, in the opinion of most geologists, blank periods of enormous length. 查尔斯·达尔文.物种起源.
Patiently and steadily the geologists gather fresh evidence and reason out completer conclusions. 赫伯特·乔治·威尔斯.世界史纲.
Geologists make certain main divisions of the Cainozoic period, and it will be convenient to name them here and to indicate their climate. 赫伯特·乔治·威尔斯.世界史纲.
If the record is as fragmentary as many geologists strenuously assert, there is nothing strange in new forms appearing as if suddenly developed. 查尔斯·达尔文.物种起源.
Geologists say that long ages ago Germany was submerged, that the waters slowly evaporated and that the various substances in the sea water were deposited in thick layers. 伯莎M.克拉克.科学通论.
There are first the Upper Pal?ozoic Rocks, and above these the geologists distinguish two great divisions. 赫伯特·乔治·威尔斯.世界史纲.
I can answer these questions and objections only on the supposition that the geological record is far more imperfect than most geologists believe. 查尔斯·达尔文.物种起源.
Why, it may be asked, until recently did nearly all the most eminent living naturalists and geologists disbelieve in the mutability of species? 查尔斯·达尔文.物种起源.
Geologists tell us that our own Western States were once submerged, and that the waters evaporated and disappeared from our land very much as they did from Germany. 伯莎M.克拉克.科学通论.
The geologists have studied the whole accumulation of these sediments as it remains to-day, from those of the earliest ages to the most recent. 赫伯特·乔治·威尔斯.世界史纲.