In general, an ice-age is a sequence of alternating warm and cold phases.
In a cold phase large areas of land are ice-covered or become tundra, and the sea-level falls.

There's a specialist from your university waiting to help you with that essay.
Tell us what you need to have done now!


order now

Also of course, glaciers carve out their huge valleys and leave all sorts of moraines, till-sheets and so on lying around.

In a warm phase (as we are in now), the ice and tundra retreat Pole-wards, sea-level rises.

The formation and retreat of very deep ice-cover causes regional isostatic flexing of the Earth’s crust below it, with various consequent effects.

There was (as far I can recall without searching, so I stand to be corrected) a major and very deep ice-age in the Permian, with a consequent mass-extinction.

Leave a Reply

Your email address will not be published. Required fields are marked *