Nature
Pingualuit crater is a meteorite impact crater on Quebec’s Ungava Peninsula in far northern Canada, now within Pingualuit National Park. About 3.44 kilometers wide, it was formed roughly 1.4 million years ago and contains Pingualuk Lake, an exceptionally pure, remarkably clear lake that is among North America’s deepest and, because the basin has remained intact and water-filled for so long, is considered one of the world’s oldest lakes. Known long before outside study to local Inuit as the Crystal Eye of Nunavik, it later drew scientific attention through mid-20th-century flights and expeditions that established its impact origin, while more recent research has focused on the lake’s long environmental record.
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Quebec · Canada
