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The Canadian Shield is a broad region of Precambrian rock (pictured in shades of red) that encircles Hudson Bay. It spans eastern, northeastern, and east-central Canada and the upper midwestern United States. The Canadian Shield (French: Bouclier canadien [buklje kanadjɛ̃]), also called the Laurentian Shield or the Laurentian Plateau, is a ...
The geology of North America is a subject of regional geology and covers the North American continent, the third-largest in the world. Geologic units and processes are investigated on a large scale to reach a synthesized picture of the geological development of the continent. The divisions of regional geology are drawn in different ways, but ...
Volcanism of Canada. Mount Edziza, a stratovolcano in northwestern British Columbia. A topographic map of Canada, showing elevations shaded from green (lower) to brown (higher) Volcanic activity is a major part of the geology of Canada and is characterized by many types of volcanic landform, including lava flows, volcanic plateaus, lava domes ...
5,599,077 km 2 (2,161,816 sq mi) Canada has a vast geography that occupies much of the continent of North America, sharing a land border with the contiguous United States to the south and the U.S. state of Alaska to the northwest. Canada stretches from the Atlantic Ocean in the east to the Pacific Ocean in the west; to the north lies the Arctic ...
A shield is a large area of exposed Precambrian crystalline igneous and high-grade metamorphic rocks that form tectonically stable areas. [1] These rocks are older than 570 million years and sometimes date back to around 2 to 3.5 billion years. [citation needed] They have been little affected by tectonic events following the end of the ...
The Churchill Craton comprises the Rae and Hearne provinces (both in magenta). The Churchill Craton is the northwest section of the Canadian Shield and stretches from southern Saskatchewan and Alberta to northern Nunavut. It has a very complex geological history punctuated by at least seven distinct regional tectono metamorphic intervals ...
The Arctic Cordillera form the eastern edge of the Canadian Shield, which covers much of Canada's landscape. [ citation needed ] Precambrian rock is the major component of the bedrock . The Arctic Cordillera is dominated by vast mountain ranges stretching for thousands of miles, virtually untouched by man.
Snowbird Tectonic Zone marked F. The Snowbird Tectonic Zone (STZ) is a geological structure in the western Canadian Shield which forms a geophysical boundary between the Hearne Craton and the south-west arm of the Rae Craton. [1] It is enigmatic and has been interpreted as a Proterozoic suture or escape structure, or an Archaean suture ...