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- The Canadian Shield is a collage of Archean plates and accreted juvenile arc terranes and sedimentary basins of the Proterozoic Eon that were progressively amalgamated during the interval 2.45–1.24 Ga, with the most substantial growth period occurring during the Trans-Hudson orogeny, between c. 1.90–1.80 Ga. The Canadian Shield was the first part of North America to be permanently elevated above sea level and has remained almost wholly untouched by successive encroachments of the sea upon the...
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Feb 7, 2006 · The Canadian Shield is the traditional territory of several Indigenous peoples. The Innu made their home on the Shield in what is now Québec and Labrador, while the Cree, Anishinaabeg and Métis occupied large swaths of the region through Québec, Ontario, Manitoba, Saskatchewan and Alberta.
The Canadian Shield (French: Bouclier canadien [buklje kanadjɛ̃]), also called the Laurentian Shield or the Laurentian Plateau, is a geologic shield, a large area of exposed Precambrian igneous and high-grade metamorphic rocks.
Sep 4, 2024 · The Canadian Shield constitutes the largest mass of exposed Precambrian rock on the face of Earth. The region, as a whole, is composed of ancient crystalline rocks whose complex structure attests to a long history of uplift and depression, mountain building (orogeny), and erosion.
- The Editors of Encyclopaedia Britannica
Jul 6, 2021 · The Canadian Shield makes up about 50 per cent of Canada. The Canadian Shield stretches from Labrador to the Arctic. It covers parts of Saskatchewan and Alberta.
May 10, 2019 · Approximately 45 kilometres wide and five times as long, it is one of the richest mining areas on the globe. Since 1916, more than 20 mines have extracted copper, zinc and related metals from this area, and three others have produced gold and silver.
Aug 21, 2018 · What is the Canadian Shield made of? The Shield is made of hard rocks like granite. However, Eastern Georgian Bay is made up mostly of gneiss (pronounced ‘nice’).
Jun 10, 2024 · The Canadian Shield is a marvel of geology, a vast expanse that covers nearly half of Canada. From towering rock formations to boreal forests teeming with life, this landscape tells a story of our planet’s deep history and ongoing resilience.
