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 mountain systems and thei...
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.
These pipes were formed by a violent, supersonic eruption of deep-origin. The
lake lies in the Ottawa-Bonnechere Graben, a Mesozoic rift valley that formed
The Laurentian Great Lakes were formed nearly 20000 years ago when the
earth's climate warmed and the last glacial continental ice sheet retreated.
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
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 ...
www.ask.com/youtube?q=How Were the Great Lakes Formed?&v=ibTWQogsbL8
May 9, 2010 ... Also, I love that even though in the past the Great Lakes were non-existent, the
Baltic Sea was still there, despite the fact that it also formed after ...
Feb 18, 2013 ... How the Great Lakes Were Formed. Awesome-Mitten-Formation-of-the-Great-
Lakes Photo courtesy of academic.emporia.edu. The Great Lakes ...
Winter. Photo - Lake Superior ice formations. The Great Lakes have not always
looked the way they do today. In fact if you were to go back in time and visit ...
Carving Great Lakes. To create something as spectacular as the great lakes
requires an even greater force -- but what is it?