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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.
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.
Location of the Hercynian-Alleghenian mountain belts in the middle of the Carboniferous period.Present day coastlines are indicated in grey for reference. [1]The Variscan orogeny, or Hercynian orogeny, was a geologic mountain-building event caused by Late Paleozoic continental collision between Euramerica (Laurussia) and Gondwana to form the supercontinent of Pangaea.
In another model, the assembly of East Gondwana c. was a multiphase process which included two main periods of orogenesis: the older EAO (c.) and the younger Kuunga Orogeny (c. 6] In the former scenario the Kuunga Orogeny of the latter scenario are two coeval events: the collisions between India and Australia-East Antarctica and Azania and India.
Pannotia was centred on the South Pole, hence its name. Pannotia (from Greek: pan-, "all", -nótos, "south"; meaning "all southern land"), also known as the Vendian supercontinent, Greater Gondwana, and the Pan-African supercontinent, was a relatively short-lived Neoproterozoic supercontinent that formed at the end of the Precambrian during the Pan-African orogeny (650–500 Ma), during the ...
By the end of the period, Gondwana had neared or approached the pole and was largely glaciated. [ citation needed ] The Ordovician came to a close in a series of extinction events that, taken together, comprise the second-largest of the five major extinction events in Earth's history in terms of percentage of genera that became extinct.
FT Nigeria 1-2 Ivory Coast. 22:24, Mike Jones. We’re still waiting for the trophy presentation. The stadium is heaving, it’s packed, there’s singing and dancing in the stands.
A page I found suggests that Gondwana was formed originally from the breakup of the supercontinent Rodinia 500 million years ago, then later it merged with Laurasia to form Pangaea, then even later it broke off again, retaining its identity as Gondwana. It is a little odd that the same name, Gondwana, is used for both before and after it was ...