MichaelPocketList: Pingualuit impact crater in northern Quebec. Rising 140m from the surrounding tundra, it is 3.44km in diameter and ~1.4 million years old. It is one of the deepest lakes in North America (400m), and contains some of the purest fresh water in the world. [6000x4000]

Tuesday, July 29, 2014

Pingualuit impact crater in northern Quebec. Rising 140m from the surrounding tundra, it is 3.44km in diameter and ~1.4 million years old. It is one of the deepest lakes in North America (400m), and contains some of the purest fresh water in the world. [6000x4000]

http://ift.tt/1l5gTRX via /r/EarthPorn http://ift.tt/1uDGwTD

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