Such metamorphic rocks occur in formations of all ages; and, in various cases, there are very good grounds for the belief that they have contained organic remains, and that those remains have been absolutely obliterated.
The members of both these divisions of rocks agree in being highly crystalline and destitute of organic remains.
The materials for the petrifaction of organic remains are, therefore, usually at hand in a state of chemical solution wherever organic remains are imbedded in new strata.
Some fine argillaceous rocks exposed half-way up on either side show no lime and contain no organic remains.
These deposits are apparently non-calcareous and show no organic remains.
Although the ash itself contains no organic remains, there occur, not many hundred yards away and at an elevation 100 feet higher above the sea, foraminiferous tuffs of basic glass which are described below.
In other cases the length of time required is shown, not from the amount of organic remains, but from the evidence that they were deposited very slowly.
These strata also differ from those above them in containing no organic remains.
The number of species of organic remains contained in this system is very small, and these, so far as discovered, belong to the annelida, with a few doubtful cases of mollusca.
On the Occurrence of Organic Remains in the Laurentian Rocks of Canada.
An important feature in the cosmogony of Leibnitz is the prominent place which he assigned to organic remains in the stratified rocks of the crust.
It was in France and in England that the foundations of stratigraphy, based upon a knowledge of organic remains, were first successfully laid.
In another instance it brings before us, within the compass of a few yards, the evidence of a most varied and complicated series of changes in physical geography, as well as an abundant and interesting suite of organic remains.
Though Hutton was not unaware that organic remains abound in many of the stratified rocks, he left them out of consideration in the elaboration of his theory.
Whether that alluvial soil be identical with, or only resembles the Nile deposit, would require to be determined by a close examination, and especially with regard to organic remains, if any can be found in it.
This formation is usually quite destitute of organic remains, so that the thread of our inquiry into the history of the animate creation, as well as of man, is abruptly cut short.
Hahn, has recently discovered an entire series of organic remains in meteoric stones, of the class called chrondites, and which he identifies as belonging to classes of sponges, corals, and crinoids.
The lower bed of the drift is entirely destitute of organic remains.
Finds the covering beds to consist of two members--a lower one, entirely destitute of organic remains, and [1.
Sir Charles Lyell confesses that the test of organic remains must be used "under very much the same restrictions as the test of mineral composition.
On the other hand, the worthlessness of the assumption that we have discovered the earliest, or anything like the earliest, organic remains, is becoming equally clear.
Some imagined that the strata, so rich in organic remains, instead of being due to secondary agents, had been so created in the beginning of things by the fiat of the Almighty.
That formation had hitherto been regarded as well nigh barren of organic remains; but Mr. Miller demonstrated that it contains at least three successive stages, each characterized by a suite of uncouth and hitherto unknown fishes.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "organic remains" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
