glacial epoch


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Noun1.Glacial epoch - any period of time during which glaciers covered a large part of the earth's surfaceglacial epoch - any period of time during which glaciers covered a large part of the earth's surface; "the most recent ice age was during the Pleistocene"
geological period, period - a unit of geological time during which a system of rocks formed; "ganoid fishes swarmed during the earlier geological periods"
prehistoric culture, prehistory - the time during the development of human culture before the appearance of the written word
2.Glacial epoch - from two million to 11 thousand years agoGlacial epoch - from two million to 11 thousand years ago; extensive glaciation of the northern hemisphere; the time of human evolution
Age of Man, Quaternary, Quaternary period - last 2 million years
References in classic literature ?
And in the distant future, a geologist examining these beds, might be tempted to conclude that the average duration of life of the embedded fossils had been less than that of the glacial period, instead of having been really far greater, that is extending from before the glacial epoch to the present day.
The followed Weichselian Glacial ended around 15,000 years ago is the most recent glacial epoch named after the Polish river Weichsel.
Ramifications of a new glacial epoch are considered.
The chart, published in the February GEOLOGY, shows a drowned world of former river valleys, flood plains, and ancient lakes that would have been above sea level at the end of the last glacial epoch, more than 10,000 years ago.
Then too you will be interested to know that there are many glacial boulders on the island and shore, of a granitic structure similar to the granite of Scotland, so it looks as if they were brought by the ice during the Glacial epoch from their mother rock away off to the northwest in Scotland.
At the end of the Late Wisconsinan glacial epoch, fluctuations in the Lake Michigan Lobe of the Laurentide Ice Sheet resulted in the formation of three moraine systems around the south end of the Lake Michigan basin: in decreasing age, the Valparaiso, Tinley and Lake Border ridges.
Summer sunlight then was not strong enough to melt the giant ice caps and end the glacial epoch.
Global temperatures in the glacial epoch swung up and down radically from one millennium to the next.