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Updated: May 8, 2025
It is impossible to behold such effects of reiterated local movements, all of post-Tertiary date, without reflecting that, but for the accidental presence of the stratified drift, all of which might easily have been missing, where there has been so much denudation, even if it had once existed, we might have referred the verticality and flexures and faults of the rocks to an ancient period, such as the era between the Chalk with flints and the Maestricht Chalk, or to the time of the latter formation, or to the Eocene, or Miocene, or Pliocene eras, even the last of them long prior to the commencement of the glacial epoch.
No other cat has so extensive a range as Felis concolor and its close allies, variously known as puma, cougar and mountain lion, which extends from the Atlantic to the Pacific, and from latitude fifty-five or sixty north, to the extreme southern end of the continent. As far as is known, it is a recent development, for no very similar remains appear previous to post-tertiary deposits.
By reference to the tables given at the end of the last chapter the reader will see that when the fossiliferous rocks are arranged chronologically, we have first to consider the Post-tertiary and then the Tertiary or Cainozoic formations, and afterwards to pass on to those of older date. Laurentian. 2. Cambrian. 3. Silurian. 4. Devonian. 5. Carboniferous. 6. Permian. 7. Triassic. 8. Jurassic. 9.
"Yes," he pursued with animation, "this is a fossil man, the contemporary of the mastodons whose remains fill this amphitheatre. But if you ask me how he came there, how those strata on which he lay slipped down into this enormous hollow in the globe, I confess I cannot answer that question. No doubt in the post-tertiary period considerable commotions were still disturbing the crust of the earth.
IV are the most remote from each other in position, although of contemporaneous date. According to this hypothesis, the convulsions of many periods will be required before Recent or Post-tertiary granite will be upraised so as to form the highest ridges and central axes of mountain-chains. During that time the RECENT strata No. 4 might be covered by a great many newer sedimentary formations.
From the highly crystalline, and, for the most part, non-fossiliferous era, far back in the Laurentian period, down, in the order of time, to the modern or post-tertiary period, there is one continuous history of life-manifestations, written upon the stratified rocks, in the order of the Bible Genesis.
Traces of post-tertiary deposits have been found as far up the country as Tel Ede and Hammam, 10 or more than 200 miles from the embouchure of the Shat-el-Arab; and there is ample reason for believing that at the time when the first Chaldaean monarchy was established, the Persian Gulf reached inland, 120 or 130 miles further than at present.
"Somebody exchanged the samples, some person no doubt desirous of establishing the theory that a sporadic outcropping of the sort might be found in a post-tertiary formation. I see, I see. No doubt he intended to prepare a paper on it, and prove his thesis by these tests. I see it all!" The demonstrator looked at the professor with a sort of pity.
If not, how is the argument for design in the structure of our particular dog affected by the supposition that his wolfish progenitor came from a post-tertiary wolf, perhaps less unlike an existing one than the dog in question is from some other of the numerous existing races of dogs, and that this post-tertiary came from an equally or more different tertiary wolf?
These innovations have been treated of in my "Elements or Manual of Elementary Geology," and in the Supplement to the fifth edition of the same, published in 1859, where some modifications of my classification, as first proposed, are introduced; but I need not dwell on these on the present occasion, as the only formations with which we shall be concerned in the present volume are those of the most modern date, or the Post-Tertiary.
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