Canadian Shield
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The Canadian Shield, 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. It forms the North
Panorama of typical Canadian Shield geography in the Flin Flon, Manitoba, region. Big Island Lake is in the background.
Weathered Precambrian pillow lava in the Temagami Greenstone Belt
Folded Precambrian gneiss of the Canadian Shield in Georgian Bay, Ontario
Typical Canadian Shield landscape: spruce, lakes, bogs, and rock
Shield (geology)
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A shield is a large area of exposed Precambrian crystalline igneous and high-grade metamorphic rocks that form tectonically stable areas. These rocks are older than 570 million years and sometimes dat
Canadian Shield
…The Canadian Shield (French: Bouclier canadien ), 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. It forms the North American Craton (or Laurentia), the ancient geologic…
Idealized cross-section of Earth's lithosphere, including the relationship between cratons, shields and platforms (Abbreviations: cb=cratonic basin, LIP=large igneous province, MOR=mid-ocean ridge)