GLACIAL EPOCH • FREE-TRANSLATOR.COM • Definition of Glacial epoch

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/glˈeɪʃəl ˈɛpək/ Listen

adjective

Glacial adj.

Pertaining to ice or to its action; consisting of ice; frozen; icy; esp., pertaining to glaciers; as, glacial phenomena.

(Chem.) Resembling ice; having the appearance and consistency of ice; said of certain solid compounds; as, glacial phosphoric or acetic acids.

Glacial acid (Chem.), an acid of such strength or purity as to crystallize at an ordinary temperature, in an icelike form; as acetic or carbolic acid.

Glacial drift (Geol.), earth and rocks which have been transported by moving ice, land ice, or icebergs; bowlder drift.

Glacial epoch or Glacial period (Geol.), a period during which the climate of the modern temperate regions was polar, and ice covered large portions of the northern hemisphere to the mountain tops.

Glacial theory or Glacial hypothesis. (Geol.) See Glacier theory, under Glacier.

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Etymology of 'Glacial epoch'

Collaborative International Dictionary of English 0.48

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"Glacial epoch" Quotes from Famous Books

... be supposed that these new regions offered themselves to the Miocene Ungulates, as South America and Australia offered themselves to the cattle, sheep, and horses of modern colonists. But, after these great areas were thus peopled, came the Glacial epoch, during which the excessive cold, to say nothing of depression and ice-covering, must have almost depopulated all the northern parts of Arctogaea, destroying all the higher mammalian forms, except those which, like ...

— Critiques and Addresses • Thomas Henry Huxley

... ice sheets deposited drift over northeastern North America, must have been brief as well as recent, for many lofty mountains, such as the Rockies and the Alps, still bear the marks of great glaciers which then filled their valleys. Had the glacial epoch been long, as the earth counts time, these mountains would have been worn low by ice; had the epoch been remote, the marks of glaciation would already have been ...

— The Elements of Geology • William Harmon Norton

... to deliver this lecture in person, it will be because I have to attend in Jersey to the excavation of a cave once occupied by men of the Glacial Epoch. Now these men knew how to keep a good fire burning within their primitive shelter; their skill in the chase provided them with a well-assorted larder; their fine strong teeth were such as to make short work of their meals; lastly, they were clever artisans and one may even ...

— Progress and History • Various