Pleistocene Epoch

Pleistocene Epoch - PLEISTOCENE EPOCH 1.7myr7 kyr ago...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
1 PLEISTOCENE EPOCH 1.7myr–7 kyr ago Extent of ice during LGM evidence • In 1836 Louis Agassiz , a paleontologist, began to believe that the glaciers in the Alps were once much more extensive than today. An Alps region glaciated valley Glaciated Europe Changes • During the Pleistocene, ~1/3 of the Earth was covered by ice (at the LGM). • The entire world was affected (change in SL, etc), but the tropics experienced the least amount of change. • Other evidence includes IRD.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
2 LGM –CLIMAP project Northern Hemisphere glaciation Pleistocene N.A. North American Ice Centers • Labrador • Keewatin • Cordilleran Ice volume • The crust was weighed down by ~3000m of ice, as the ice melted the land began to isostatically rebound. • This continues today. Isostatic rebound
Background image of page 2
effects • Glaciation effected drainage patterns and produced many lakes. –Finger Lakes and the Great Lakes. Great Lakes Niagara Falls Lake Agassiz • The huge postglacial Lake Agassiz, (4X the size of Lake Superior), formed temporarily on the Canadian Plains. Lake Agassiz
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 8

Pleistocene Epoch - PLEISTOCENE EPOCH 1.7myr7 kyr ago...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online