They are, in a general way, believers in some kind of evolution; but they prefer not to specify exactly the laws which have been operative in past "geological time.
In geological time, natural barriers have sprung up which separated the species which have since developed.
It is likewise true that, according to this theory, there must have been at least one other such period further back in geological time, and it is now to be seen whether our records, as shown by the strata, establish these facts.
But the land has been in process of renewal as well as of waste in geological time; and a better measure will be afforded by the amount of beds actually deposited.
Thus we obtain the means of dividing the rocks of the earth into groups of different ages, known as aEurooeFormations,aEuro and marking particular periods of geological time.
Geological time is separated into divisions corresponding to the times during which the successive formations were laid.
This mountain making business is another affair that geologists would like to have take place on the installment plan, but unfortunately it seems to have been nearly all postponed till the very close of "geological time.
The gap between the existing crocodiles and the lizards is very wide, but as we go back in geological time we meet with fossil forms which are to some extent intermediate and form a connected series.
Mr. Ward, will illustrate our present knowledge of the development of the vegetable kingdom in geological time.
The doctrine of physical uniformity and that of physical progression are therefore perfectly consistent, if we regard geological time as having the same relation to pre-geological time as historical time has to it.
The whole lapse of geological time has as yet yielded not a single new ordinal type of vegetable structure.
See 'Secular Cooling of the Earth, Geological Time,' and several other Articles below.
But Thomson put forward a third argument in the paper on Geological Time, which has always been regarded as the most important.
In his Outline of History Mr. Wells has made a gallant effort to visualize "the true proportions of historical to geological time" [Footnote: 1 Vol.
Coal involves a different theory of time, because coal, unlike a tree, is produced on the scale of geological time.
Geological time is very different from biological time.
Movements of these kinds have recurred again and again in geological time.
No fact of science is more certainly established than the recency of man in geological time.
The Solenhofen Slate belongs to about the middle period of the history of flying reptiles, for they range through the Secondary epochs of geological time.
They attained their largest dimensions in this period of geological time.
We may recognize as a distinct order, a primitive group of recent sharks, a group of forms finding its natural place somewhere between the Cladoselachidae and Heterodontidae, both of which groups long preceded it in geological time.
They are the prototype of fin-rays in the embryo fish, and doubtless similarly preceded the latter in geological time.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "geological time" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
