Oligocene in a sentence

The word "oligocene" in a example sentences. Learn the definition of oligocene and how to use it in a sentence.

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Definition of Oligocene

  • Of, pertaining to, or designating, certain strata which occupy an intermediate position between the Eocene and Miocene periods.
  • from 40 million to 25 million years ago; appearance of sabertoothed cats

How to use oligocene in a sentence. Oligocene pronunciation.

LOWER MIOCENE (OLIGOCENE OF BEYRICH).
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Professor Beyrich confines the term "Miocene" to those strata which agree in age with the faluns of Touraine, and he has proposed the term "Oligocene" for those older formations called Lower Miocene in this work.
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When this map was constructed I classed as the newer part of the Eocene those Tertiary strata which have been described in the last chapter as Lower Miocene, and to which M. Beyrich has given the name of Oligocene.
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Beyrich on term Oligocene for Lower Miocene.
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Oligocene, term for Lower Miocene.
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Oligocene (old tertiary) : 30.
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Oligocene (old tertiary) : 29.
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Ligurium : Lower oligocene. IV.
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It is subdivided into four sections-the Eocene, Oligocene, Miocene, and Pliocene.
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This indulgent period (the Oligocene, or later part of the Eocene), scattering a rich and nutritious vegetation with great profusion over the land, led to a notable expansion of animal life.
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The Tertiary Era is divided by geologists into four periods: the Eocene, Oligocene, Miocene, and Pliocene.
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But the advance is, as I said, suspended, and the Oligocene period maintains the golden age.
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Amber is the resin that exuded from pine-like trees, especially in the Baltic region, in the Eocene and Oligocene periods.
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In the periods of luxuriant life (the Carboniferous, the Jurassic, or the Oligocene), when insects swarmed and varied in every direction, some would vary in the direction of a more effective placing of the eggs; and the supervening period of cold and scarcity would favour them.
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Primitive types of gulls, herons, pelicans, quails, ibises, flamingoes, albatrosses, buzzards, hornbills, falcons, eagles, owls, plovers, and woodcocks are found in the Eocene beds; the Oligocene beds add parrots, trogons, cranes, marabouts, secretary-birds, grouse, swallows, and woodpeckers.
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We find a number of strange patriarchal beasts entering the scene in the early Eocene, and spreading into a great variety of forms in the genial conditions of the Oligocene and Miocene.
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In the succeeding geological period, the Oligocene, we find several horse-types in which the adaptation of the limbs to running on the firm grassy plains and of the teeth to eating the grass continues.
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In the Oligocene it spreads into three great branches, adapted, respectively, to life on the elevated lands, the lowlands, and the water.
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The first hog-like creature (Homacodon) was much smaller than the hog of to-day, and had strong canine teeth, but in the Oligocene the family gave rise to a large and numerous race, the Elotheres.
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Chevrotains flourished in Europe and North America in the Oligocene, and are still very primitive in structure, combining features of the hog and the ruminants.
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Examples of Oligocene

Example #1
Progressive development indicated by low grade of early mammals.
Example #2
Lower Miocene Strata of France.
Example #3
Silurian, derivation of the name.
Example #4
Although some of the German lignites called Brown Coal belong to the upper parts of this series, the most important of them are of Lower Miocene date, as, for example, those of the Siebengebirge, near Bonn, which are associated with volcanic rocks.
Example #5
None of these occur in the London Basin, and they occupy in that of Hampshire, as we have seen in Chapter 15, too insignificant a superficial area to be noticed in a map on this scale.
Example #6
In the map in Figure 164, the position of several Eocene areas in the north of Europe is pointed out.