canadian shield
Proper noun: * A large geological region in Canada: The Canadian Shield is a vast area of exposed Precambrian igneous and metamorphic rock that forms the ancient geological core of the North American continent. It is characterized by a rugged, rolling landscape of rock, lakes, and boreal forest.
The term "Canadian Shield" is used as a proper noun to refer specifically to this distinct geographical and geological region. It is often discussed in contexts of geography, geology, natural resources, and Canadian history. * The Canadian Shield is one of the world's oldest rock formations. * Much of Canada's mineral wealth comes from the Canadian Shield. * The landscape of the Canadian Shield is marked by countless lakes.
- "the Shield": A common shortened form used in Canadian English.
- Mining is a major industry in the Shield.
- Laurentian Shield: An older or alternative name for the same region.
- Precambrian Shield: A more general geological term that can refer to the Canadian Shield or similar ancient rock formations elsewhere.
- Boreal Shield: An ecozone designation (by Environment Canada) for the forested southern part of the Canadian Shield.
- Laurentian Plateau: A synonym emphasizing its topographic form.
- Precambrian Craton: A more technical geological synonym.
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a large plateau that occupies more than 40% of the land area of Canada; it extends from the Great Lakes northward to the Arctic Ocean
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