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Updated: May 8, 2025
It is in the Post-Tertiary strata, where all the shells agree with species now living, that we have discovered the first or earliest known remains of man associated with the bones of quadrupeds, some of which are of extinct species.
I. Primary Plutonic rocks. II. Secondary Plutonic rocks. III. Tertiary Plutonic rocks. IV. Post-tertiary Plutonic rocks. 1. Primary fossiliferous or Palaeozoic strata. 2. Secondary or Mesozoic strata. 3. Tertiary or Cainozoic strata. 4. Post-tertiary strata. The oldest Plutonic rock, No. I, has been upheaved at successive periods until it has become exposed to view in a mountain-chain.
The temperature of deep waters seems to be constant for all latitudes at 39°; so that an immense area of the North Atlantic must have had its conditions unaffected by tertiary or post-tertiary oscillations." Wyville Thomson adopted from eminent physical writers; but the general justice of the reasoning is not affected by this circumstance, and Dr.
From the foregoing observations we may infer that the ages of iron and bronze in Northern and Central Europe were preceded by a stone age, the Neolithic, referable to that division of the post-tertiary epoch which I have called Recent, when the mammalia as well as the other organic remains accompanying the stone implements were of living species.
This track differs from the Chaldaean lowland, by being at once less flat and more elevated. Geologically it is of secondary formation, while Chaldaea proper is tertiary or post-tertiary. It is fairly watered towards the north, but below the Sinjar is only very scantily supplied.
So, then, the dream in which I had had a vision of the prehistoric world, of the tertiary and post-tertiary periods, was now realised. And there we were alone, in the bowels of the earth, at the mercy of its wild inhabitants! My uncle was gazing with intense and eager interest. "Come on!" said he, seizing my arm. "Forward! forward!" "No, I will not!" I cried. "We have no firearms.
By degrees, one species after another in succession more and more perfect arises, until, after many ages, a culmination is reached. From that there is, in like manner, a long, a gradual decline. Thus, though the mammal type of life is the characteristic of the Tertiary and post-Tertiary periods, it does not suddenly make its appearance without premonition in those periods.
The senior professor, so it chanced, was spending his vacation near by on the shores of the lake, and his time was mostly passed for how better can a man spend a month of pleasure? in looking for outcroppings of Devonian rock of the post-tertiary period.
Not by any means. And his grave face as he worked in silence was as still as the stones of the post-tertiary period. Tomlinson "This, Mr. Tomlinson, is our campus," said President Boomer as they passed through the iron gates of Plutoria University. "For camping?" said the Wizard. "Not exactly," answered the president, "though it would, of course, suit for that.
Jago, in the Cape Verdes, carbonate of lime not only is abundant on the shores, but it forms the chief part of some upraised post-tertiary strata.
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