Ancient crater points to massive meteorite strike | #Geology #GeologyPage The discovery of an ancient ring-like structure in southern Alberta suggests the area was struck by a meteorite large enough to leave an eight-kilometre-wide crater, producing an explosion strong enough to destroy present-day Calgary, say researchers from the Alberta Geological Survey and University of Alberta. Read more : geologypage/2014/05/ancient-crater-points-to-massive_27.html Geology geologypage
Posted on: Tue, 22 Jul 2014 10:00:01 +0000
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