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Laurasia and Gondwana were equal in size but had distinct geological histories. Gondwana was assembled before the formation of Pangaea, but the assembly of Laurasia occurred during and after the formation of the supercontinent. These differences resulted in different patterns of basin formation and transport of sediments.
Animation of the break-up of the supercontinent Pangaea and the subsequent drift of its constituents, from the Early Triassic to recent (250 Ma to 0).. This is a list of paleocontinents, significant landmasses that have been proposed to exist in the geological past.
The theory supporting an allochthonous Patagonia cites the entirety of the region, including the North Patagonian Massif, as being separated from southwestern Gondwana. [4] Comparison of the paleomagnetic poles of Patagonia and Gondwana from the Devonian to Permian periods allows for the separation of the two landmasses by up to 1000 kilometres ...
Pangaea's supercontinent cycle is a good example of the efficiency of using the presence or lack of these entities to record the development, tenure, and break-up of supercontinents. There is a sharp decrease in passive margins between 500 and 350 Ma during the timing of Pangaea's assembly.
Gondwana (/ ɡ ɒ n d ˈ w ɑː n ə /) [1] was a large landmass, sometimes referred to as a supercontinent. The remnants of Gondwana make up around two-thirds of today's continental area, including South America, Africa, Antarctica, Australia, Zealandia, Arabia, and the Indian Subcontinent.
Per USA Today, Gondwana, a former supercontinent, broke off from the landmass of Pangea about 180 million years ago and included multiple other continents including South America, Africa ...
Formed as Gondwana broke up Pliensbachian: 190.8 ± 1.0 * Sinemurian: 199.3 ± 0.3 * C. Atlantic magmatic province (Recurrent)(197±1) [x] Hettangian: 201.3 ± 0.2 * Central Atlantic magmatic province (199.5±0.5) [x] Formed as Pangea broke up Triassic–Jurassic extinction event: Triassic: Upper: Rhaetian: c. 208.5 Norian: c. 228 Wrangellia ...
The vast supercontinent of Pangaea dominated the globe during the Triassic, but in the latest Triassic and Early Jurassic it began to gradually rift into two separate landmasses: Laurasia to the north and Gondwana to the south. The global climate during the Triassic was mostly hot and dry, [12] with deserts spanning much of Pangaea's interior ...