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The regional geology of North America usually encompasses the geographic regions of Alaska, Canada, Greenland, the continental United States, Mexico, Central America, and the Caribbean. [1] The parts of the North American Plate that are not occupied by North American countries are usually not discussed as part of the regional geology.
A map of North America's physical, political, and population characteristics as of 2018. North America is a continent [b] in the Northern and Western Hemispheres. [c] North America is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and the Caribbean Sea, and to the west and south by the Pacific Ocean.
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).
From about 280-230 million years ago, (Late Paleozoic Era until the Late Triassic) the continent we now know as North America was continuous with Africa, South America, and Europe. [20] During the Late Triassic, Pangea began to be torn apart when a three-pronged fissure grew between Africa, South America, and North America. Rifting began as ...
The map of North America with the Western Interior Seaway during the Campanian. The Western Interior Seaway (also called the Cretaceous Seaway, the Niobraran Sea, the North American Inland Sea, or the Western Interior Sea) was a large inland sea that split the continent of North America into two landmasses for 34 million years.
Forty-eight of the states are in the single region between Canada and Mexico. This group is referred to, with varying precision and formality, as the contiguous United States, and as the "Lower 48". Alaska, which is included in the term "continental United States", is located at the northwestern end of North America.
Google caves to Donald Trump’s executive order and will change ‘Gulf of Mexico’ to ‘Gulf of America’ on its maps. Sasha Rogelberg. Updated January 28, 2025 at 11:08 AM.
The Midcontinent Rift System (MRS) or Keweenawan Rift is a 2,000 km (1,200 mi) long geological rift in the center of the North American continent and south-central part of the North American plate. It formed when the continent's core, the North American craton , began to split apart during the Mesoproterozoic era of the Precambrian , about 1.1 ...