The foundation for the Great Lakes basin was set by years of volcanic activity followed by flooding. In the Ice Age, glaciers carved massive valleys. As the glaciers receded, the Great Lakes began to form from the melting receding glacial water.
The Great Lakes are a series of interconnected freshwater lakes located primarily
in the upper .... These pipes were formed by a violent, supersonic eruption of
deep-origin. .... The Great Lakes are...
Feb 18, 2013 ... Ever wondered about the great bodies of water that surrounds the great lake
state? Here's a crash course on the formation of out great lakes!
www.ask.com/youtube?q=How Were the Great Lakes Formed?&v=ibTWQogsbL8
May 9, 2010 ... THE GREAT LAKES WERE NOT MADE BY RECEDING ICE ... The Dirty Secret at
the Bottom of the Great Lakes: Oil & Water - Duration: 17:17.
The formation of the Great Lakes, which are also known as the Laurentian Great
Lakes, began around 2 billion years ago after the forming of North American ...
How the lakes were formed. About a billion years ago, a fracture in the earth
running from what is now Oklahoma to Lake Superior generated volcanic activity
Dec 1, 2004 ... All rivers and streams in these areas drain into the Great Lakes. ... These lobes
were mostly caused by outcrops of highly resistant bedrock of ...
Back to Great Lakes. How They Were Made. Thousands of years ago, the melting
mile-thick glaciers of the Wisconsin Ice Age left the North American continent a ...
The Great Lakes have not always looked the way they do today. In fact if you
were to go back in time and visit Michigan 14,000 years ago, you would have
May 3, 2013 ... The Great Lakes — Superior, Huron, Michigan, Ontario and Erie ... These formed
the basic shape of the Great Lakes, and about 10,000 years ...