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  2. Laurentia - Wikipedia

    en.wikipedia.org/wiki/Laurentia

    Laurentia basement rocks. Laurentia or the North American Craton is a large continental craton that forms the ancient geological core of North America.Many times in its past, Laurentia has been a separate continent, as it is now in the form of North America, although originally it also included the cratonic areas of Greenland and the Hebridean Terrane in northwest Scotland.

  3. Canadian Shield - Wikipedia

    en.wikipedia.org/wiki/Canadian_Shield

    The Canadian Shield is a U-shaped subsection of the Laurentia craton signifying the area of greatest glacial impact (scraping down to bare rock) creating the thin soils. The age of the Canadian Shield is estimated to be 4.28 Ga. The Canadian Shield once had jagged peaks, higher than any of today's mountains, but millions of years of erosion ...

  4. Wyoming Craton - Wikipedia

    en.wikipedia.org/wiki/Wyoming_craton

    The North American Craton, also called Laurentia. The Wyoming Craton is a craton in the west-central United States and western Canada – more specifically, in Montana, Wyoming, southern Alberta, southern Saskatchewan, and parts of northern Utah. Also called the Wyoming Province, it is the initial core of the continental crust of North America.

  5. List of shields and cratons - Wikipedia

    en.wikipedia.org/wiki/List_of_shields_and_cratons

    Canadian Shield (or Laurentian Shield) Churchill Craton; Hearne Craton; Nain Craton (part of North Atlantic Craton) North American Craton (Laurentia) Rae Craton; Sask Craton; Sclavia Craton; Slave Craton, Northwest Territories, Canada (4.03–3.5 Ga) Superior Craton, Canada and northern United States (3.7–2.7 Ga) Wyoming Craton

  6. Interior Plains - Wikipedia

    en.wikipedia.org/wiki/Interior_Plains

    The Interior Plains are highlighted in red. The Interior Plains is a vast physiographic region that spreads across the Laurentian craton of central North America, extending along the east flank of the Rocky Mountains from the Gulf Coast region to the Arctic Beaufort Sea.

  7. Trans-Hudson orogeny - Wikipedia

    en.wikipedia.org/wiki/Trans-Hudson_orogeny

    During the Wopmay orogeny, subduction occurred as oceanic crust of the Slave Craton was subducted beneath an eastward-moving continental plate. Likewise, during the Trans-Hudson orogeny, rifting at first separated the Superior craton from the rest of the continent. Then the Superior Craton reversed its direction and the ocean basin began to close.

  8. Laurentian - Wikipedia

    en.wikipedia.org/wiki/Laurentian

    Laurentia, the craton at the heart of the North American continent; Canadian Shield, also known as the Laurentian Shield or the Laurentian Plateau. Laurentian Divide, also known as the "Northern Divide", a continental divide in North America; Laurentian Mountains in Quebec; Laurentian Upland

  9. Laurentian Upland - Wikipedia

    en.wikipedia.org/wiki/Laurentian_Upland

    A scene of the Laurentians based on a photograph from the Provincial Publicity Bureau of Quebec engraved by William Ford was on the $20 banknote of the 1954 Series.. The Laurentian Upland (or Laurentian Highlands) is a physiographic region which, when referred to as the "Laurentian Region" or the Grenville geological province, is recognized by Natural Resources Canada as one of five provinces ...