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Scientists find hidden 'hotspot' that helped create the Great Lakes before North America even existed
A hotspot that now lies in the middle of the Atlantic Ocean was once under the Great Lakes, and may explain why they formed ...
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3D View of Mantle Plumes (IMAGE)
This is a 3D view of the top 1,000 kilometers of the earth's mantle beneath the central Pacific ... the ocean floor mark islands associated with "hotspot" volcanoes, such as Hawaii.
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Scientists find hidden 'hotspot' that helped create the Great Lakes before North America even existed
("Lithosphere" refers to Earth's crust and the upper part of the mantle.) When she and her team discovered these signs of deformation, they weren't thinking of a hotspot. But a ...