Astronomers hold that the solar system has gone through such a process, and Geologists teach that the earth has had its career of evolution.
We shall see how greatly the old ideas still sway, both the general mind, and the minds of geologists themselves.
The established conclusions respecting the ages of strata, take but little note of it; and by some geologists it seems altogether ignored.
Schouw marks out on the Earth more than twenty botanical regions, occupied by groups of forms so far distinct from each other, that, if fossilized, geologists would scarcely be disposed to refer them all to the same period.
And finding that igneous action, to which sundry earlier geologists had ascribed basaltic rocks, was in countless places a source of disturbance, he taught that from it resulted these periodic convulsions.
When we pass from the agency which geologists term igneous, to aqueous and atmospheric agencies, we see the like ever-growing complications of effects.
Ask one of our leading geologists or physiologists whether he believes in the Mosaic account of the creation, and he will take the question as next to an insult.
It is now generally agreed among geologists that the Earth was at first a mass of molten matter; and that it is still fluid and incandescent at the distance of a few miles beneath its surface.
The principle announced by Dana is accepted by geologists generally.
Note well, the geologists which we have quoted assert that this is the best and final proof for the position of a stratum in the scale of geological history.
The constancy of these observations justifies geologists in arguing, where other evidence is wanting, the advance of land or sea respectively, or the elevation or depression of the former, from the position or the absence of these heaps alone.
Large deposits of sand, therefore, must in general be considered as of ancient, not of recent formation, and many eminent geologistsascribe them to diluvial action.
It is, as has been already seen, still a debated question among geologists whether the coast of Holland now is, and for centuries has been, subsiding.
To the eminent geologists of the United Kingdom who looked upon the fact as certain--Messrs.
I need not adduce other evidence to satisfy geologists of the correctness of my assertion.
Mr. Vanuxem is one of the official geologists of the State of New York, and author of one of a series of volumes upon the geology of the State, about which I shall presently have something to say.
Recalling the scientific isolation in which he then stood, opposed as he was to all the prominent geologists of the day, he said: "Among the older naturalists, only one stood by me.
So long as the greater number of the practical geologists of Europe are opposed to the wide extension of a terrestrial glacial theory, there can be little risk that such a doctrine should take too deep a hold of the mind.
Still, the body of American geologists forms, as a whole, a most respectable contingent.
The geologists and mineralogists form the most numerous class among the savans of the country.
You have made all the geologists glacier-mad here, and they are turning Great Britain into an ice-house.
These moraines are so well marked that they are known throughout the country as the cerillos of Tenon, but nobody suspects their glacial origin; even the geologists of Santiago assign a volcanic origin to them.
I have had the pleasure of converting already several of the most distinguished American geologists to my way of thinking; among others, Professor Rogers, who will deliver a public lecture upon the subject next Tuesday before a large audience.
I have alluded in a former number to the hot disputes and long-contested battles of geologists upon this point.
The Theories of the Geologistsand Figure of the Earth; 3.
Geologists who are familiar with the idea of Geological phenomena worked out through periods of inconceivable duration will, perhaps, be able to appreciate Mr. E.
Other geologists imagine that it was produced by the accumulation of drift wood brought down by great rivers, similar to the present accumulation of drift wood on the coast of Mexico brought down by the great American rivers.
This point of outlook is an isolated remnant of Potsdam sandstone, lying, thegeologists say, unconformably on the Laurentian rock.
The primitive man retired, making way for the red Indian, and the present era dawned, with the more moderate climate, and with again a slow sinking of the land, which the geologists say is now in progress.
We are told by geologists that at the time of the great flood in the river which deposited the gravel, the lower part of Philadelphia, the whole of Bristol and Penn's Neck and almost all Trenton were under water.
For more than two centuries the shelly strata of the Subapennine hills afforded matter of speculation to the early geologists of Italy, and few of them had any suspicion that similar deposits were then forming in the neighbouring sea.
It appeared clear that the earlier geologists had not only a scanty acquaintance with existing changes, but were singularly unconscious of the amount of their ignorance.
But the above arguments are aimed against one only of many prejudices with which the earlier geologists had to contend.
By what train of investigations were geologists induced at length to reject these views, and to assent to the igneous origin of the trappean formations?
When geologists first turned their attention to the physical history of the earth, they saw at once certain great features which they took to be the skeleton and basis of the whole structure.
Starting from this landmark, the earlier geologists divided the world's history into three periods.
There were many well-fought battles between geologists before it was understood that these two elements had been equally active in building up the crust of the earth.
A few exceptional cases, however, in which chemists andgeologists of deserved distinction have claimed the possibility and even probability of the production of marsh gas, petroleum, etc.
Although geologists explain the process of formation, there is yet much food for wonder in remembering that all these various objects were formed by running water.
Ere long Cronkley Scar comes in sight--a tremendous sombre precipice of the rock known to geologists as greenstone, in which, if learned in such matters, you may peruse many examples of metamorphic phenomena.
Mickle Fell is one of the great summits in the range described by geologists as the Pennine chain--the backbone of England.
To the geologists of the United Kingdom, who believed in the certainty of the fact--Messrs.
Eminent geologists have denied his existence, others no less eminent have affirmed it.
His imagination is a volcano, and to do that which other geologists have never done he would risk his life.
If that document were divulged, a whole army of geologists would be ready to rush into the footsteps of Arne Saknussemm.
Fresh discoveries of remains in the pleiocene formation had emboldened othergeologists to refer back the human species to a higher antiquity still.
Geologists predicted that this rock would be found at least at 500 feet.
Two professional geologists have gone over this ground with Mr. Weed and confirmed his conclusions.
Hugh Miller cites the instance of fossil dung being found as proving to the anti-geologists that these fossils were once real living creatures, and not mere freaks of nature.
Peru and around the volcano of the Andes of Quito are well worthy the attention of geologists who would discuss the origin of formations.
An-nicht Auflagerung, according to the precise language of the geologists of my country.
The most ablegeologists do not concur in opinion respecting the sandstone of the Black Forest and of the whole country south-west of the Thuringer Waldgebirge.
Modem geologists have observed that the culminant points of a group are less frequently found at its centre than towards one of its extremities, preceding, and announcing in some sort, a great depression* of the chain.
The geologists had already assigned =the last= of them to the Carboniferous and Permian rocks with the idea that they were extinct.
This is doubtless what the earlier geologistshad in mind, or at least ought to have had, for it is not quite certain that they had any clear thoughts on the matter whatever.
Geologists have attributed the extinction of most of the species and the dwindling of others to the cold of the Reindeer epoch.
Modern biology has simply developed a gigantic reductio ad absurdum argument against the easy assumptions of the earlier geologists that it occurred by a progression from the low to the high.
Some geologists make it a point to =give a new name= to all forms found in the Palaeozoic rocks, i.
But since geologists still classify the rocks as they do, and give a time value to percentages of extinct and living species of marine shells, etc.
If hundreds of geologists still seem to think that the fossils in general agree with the standard order, we must remember how many sharp observers said the same thing for decades about Werner's scheme.
To save the northern half of Europe with all of Canada from again going under at the close of the "Tertiary period," geologists have spread out their continental ice sheets, and have asked them to do duty instead of water.
The causes for such marked changes of climate must be left for the consideration of geologists and astronomers.
These regions, at that date, formed what is called by geologists "Gondwanaland".
This finally settles the position of the Laramie so far as the United States geologists are concerned, and shows that the flora is to be regarded as Eocene if not Upper Cretaceous, in harmony with what has been all along maintained in Canada.
This area has been taken by all American geologists as their typical Devonian region.
The above notes would not have been extended to so great length, but for the importance of the Erian flora as the precursor of that of the Carboniferous, and the small amount of attention hitherto given to it by geologists and botanists.
They are also undoubtedly continuous with the Fort Union group of the United States geologists on the other side of the international boundary, and they contain similar fossil plants.
Geologists generally consider the Red Chalk as really equal to the Gault.
According to the geologists there are indications of gold and other precious metals, and I would not be surprised if a thorough exploration led to valuable discoveries.
The natives believe there is an underground passage to the sea, and sonic geologists favor this opinion.
The paleontologists and paleobotanists connected with the laboratories above described, study and discuss in reports the fossils collected by the general geologists in the field.
Such is the opinion of expertgeologists (Hinton[26]).
This formation has been subdivided by geologists into three successive portions, viz.
Geologists of our day not only believe that the Maltese group was once a part of Sicily, but that in the far past it was also joined to Africa.
Geologists visit this cavern with much interest, as the sides teem with the remains of marine creatures which lived and died in the waters when these islands were gradually undergoing the process of formation.
Since Agassiz's time geologists and scientists generally do not hesitate to add the plural to million, guided by the light of modern progress and discovery.
Geologists explain the creation of this cylindrical hollow in a much more reasonable and satisfactory manner.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "geologists" in a variety of sentences. We hope that you will now be able to make sentences using this word.
