Glaciation

GLACIATION occurred in BC over a period, known as the Pleistocene, that lasted for about 2 million years. Then, as now, the earth experienced alternating warming and cooling trends. During the colder periods, great glaciers covered BC, grinding out valleys, sculpting the mountains and bulldozing large amounts of sediment. The last major glaciation, known as the Fraser Glaciation, began about 25,000–30,000 years ago and reached its maximum extent about 14,000 years ago when the Cordilleran Ice...

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