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The newer model has Australia and Antarctica between South America and southeast Asia, south of the Medi-Pangaean Sea. Pangaea Proxima (also called Pangaea Ultima, Neopangaea, and Pangaea II) is a possible future supercontinent configuration. Consistent with the supercontinent cycle, Pangaea Proxima could form within the next 250 million years.
Pangaea is the most recent supercontinent to have existed and the first to be reconstructed by geologists. Origin of the concept. Alfred Wegener c. 1924–1930World map of Pangaea created by Alfred Wegener to illustrate his concept. The name "Pangaea" is derived from Ancient Greekpan(πᾶν, "all, entire, whole") and Gaiaor Gaea (Γαῖα ...
From Wikipedia, the free encyclopedia. The geological history of North Americacomprises the history of geological occurrencesand emergence of life in North Americaduring the interval of time spanning from the formation of the Earththrough to the emergence of humanity and the start of prehistory. At the start of the Paleozoic Era, what is now ...
The Great American Biotic Interchange (commonly abbreviated as GABI), also known as the Great American Interchange and the Great American Faunal Interchange, was an important late Cenozoic paleozoogeographic biotic interchange event in which land and freshwater fauna migrated from North America to South America via Central America and vice ...
The border between North America and South America is at some point on the Darién Mountains watershed that divides along the Colombia–Panama border where the isthmus meets the South American continent (see Darién Gap). Virtually all atlases list Panama as a state falling entirely within North America and/or Central America. [115] [116]
Supercontinent. The supercontinent of Pangaea with the positions of the continents at the Permian - Triassic boundary, about 250 Ma. AR=Amuria; NC= North China; SC= South China; PA= Panthalassic Ocean; PT= Paleotethys Ocean; NT= Neotethys Ocean. Orogens shown in red. Subduction zones shown in black.
The discovery of the Bering Straits in the early 18th century, established that Asia and North America were not connected by land. But some European maps of the 16th century, including the 1533 Johannes Schöner globe, still continued to depict North America as connected by a land bridge to Asia. [26]
With an estimated population of 580 million and an area of 24,709,000 km 2 (9,540,000 mi 2), the northernmost of the two continents of the Western Hemisphere [1] is bounded by the Pacific Ocean on the west; the Atlantic Ocean on the east; the Caribbean Sea on the south; and the Arctic Ocean on the north. The northern half of North America is ...