Laurentian Mountains

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The Laurentian Mountains, also known as the Laurentians or Laurentides, are a mountain range in Canada. The range is 1,400 km (900 mi) long and ranges in height from 500 m (1,600 ft) with peaks over 1,000 m (3,300 ft). The Laurentian Mountains extend across Labrador and Quebec within the Laurentian Upland, which contains foothills in northeastern Ontario. The range is located near the rivers of Ottawa, St. Lawrence, and Saguenay. The Laurentian Mountains primarily stretch across multiple regions in Quebec, with geologic formations such as the Jacques-Cartier Massif located within the range. The Laurentians Mountains are one of the oldest mountain ranges on earth. The range formed around one billion years ago during the Grenville orogeny, in which the Grenville Province formed, a subdivision of the Canadian Shield. During that time, Laurentia, the geologic core of the Canadian Shield, collided with other continents and formed Precambrian rocks which extend across the range. The mountain...

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