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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.
The North American plate is a tectonic plate containing most of North America, Cuba, the Bahamas, extreme northeastern Asia, and parts of Iceland and the Azores.With an area of 76 million km 2 (29 million sq mi), it is the Earth's second largest tectonic plate, behind the Pacific plate (which borders the plate to the west).
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The regions that are not geographically North American but reside on the North American Plate include parts of Siberia (see the Geology of Russia), [2] and Iceland, and Bermuda. A discussion of North American geology can also include other continental plates including the Cocos Plats and Juan de Fuca Plate being subducted beneath western North ...
Templates that present a map or maps of North American areas. The pages listed in this category are meant to be function templates , i.e. templates that produce text, images or other elements . This page is part of Wikipedia's administration and not part of the encyclopedia.
Laurentian Craton, also known as North American Craton – Craton forming the geological core of North America (Canada and United States) Insular plate – Ancient oceanic plate; Intermontane plate – Ancient oceanic tectonic plate on the west coast of North America about 195 million years ago; Izanagi plate – Ancient tectonic plate; Mexican ...
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
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. [5] The Canadian Shield was the ...