Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun The supercontinent of the Northern Hemisphere that, according to the theory of plate tectonics, broke up into North America, Greenland, Europe, and Asia except for the Indian subcontinent.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- proper noun A
supercontinent including most of the landmasses which make up today's continents of the northern hemisphere.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a hypothetical continent that (according to plate tectonic theory) broke up later into North America and Europe and Asia
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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Hundreds of millions of years ago, there were two supercontinents, Laurasia (North America, Europe and Asia) and Gondwana (everything else).
The Fruit Hunters Adam Leith Gollner 2008
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Hundreds of millions of years ago, there were two supercontinents, Laurasia (North America, Europe and Asia) and Gondwana (everything else).
The Fruit Hunters Adam Leith Gollner 2008
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There is a wide range of rock types which provide evidence the area's past marine evolution under the Tethys and neo-Tethys seas (a shallow sea that existed during the early Mesozoic Era and was the body of water that separated the landmass of Laurasia in the north from Gondwanaland in the south), which have been powerfully deformed by the collision.
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North America then joined with Eurasia creating Laurasia.
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Hundreds of millions of years ago, there were two supercontinents, Laurasia (North America, Europe and Asia) and Gondwana (everything else).
The Fruit Hunters Adam Leith Gollner 2008
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The Bungle Bungle Mountains are an unusual and very dramatic plateau of Devonian quartz sandstone (approximately 360 million years old), created through a complex process of sedimentation, compaction, uplift (caused by the collision of Gondwanaland and Laurasia approximately 300 million years ago and the convergence of the Indo-Australian Plate and the Pacific Plates 20 million years ago), as well as long periods of erosion.
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I pored over maps that geologists had reconstructed of the Paleozoic continents and features that they christened with names like Pangea, Laurasia, Gondwanaland, and the Tethys Sea.
Adrift 2007
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Universe's Big Bang and the creation of Mother Earth and the formation of the oldest continents, Gondwanaland and Laurasia from where the ancient mountainland of Barberton as well as Sterkfontein and Maropeng descend.
Address at the official opening of the Maropeng Visitor Centre 2005
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Universe's Big Bang and the creation of Mother Earth and the formation of the oldest continents, Gondwanaland and Laurasia from where the ancient mountainland of Barberton as well as Sterkfontein and Maropeng descend.
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During that time, these continents were joined together in a single super-continent called “Laurasia”.
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