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Gondwanaland |
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Gondwanaland (gŏnd'wä`nəlănd'): see continental drift continental drift, geological theory that the relative positions of the continents on the earth's surface have changed considerably through geologic time. Though first proposed by American geologist Frank Bursley Taylor in a lecture in 1908, the first detailed theory ..... Click the link for more information. . Gondwanaor GondwanalandHypothetical former supercontinent in the Southern Hemisphere, which included modern South America, Africa, southern Europe, India, Australia, and much of the Middle East and Antarctica. The concept that the continents were at one time joined was first set forth in detail by Alfred Wegener in 1912. He envisioned a single great landmass, Pangea, which supposedly began to separate early in the Jurassic Period (approximately 200 million to 146 million years ago). Subsequent workers distinguished between a southern landmass, Gondwana, and Laurasia to the north. See also continental drift. Gondwanaland [gän′dwän·ə‚land] (geology) How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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1991, Did the breakout of Laurentia turn Gondwanaland inside-out? Nel utilizes less emotionally charged media in his other works, like black carboniferous material formed on the Gondwanaland landmass before the split ting of the continents, as in Zero (Fig. The southern landmasses of Australia, Africa, and South America separated from a megacontinent called Gondwanaland about 80 million years ago, leaving Antarctica astride the South Pole. |
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