Laurasia

Laurasia

Laurasia The northern continental mass produced in the early Mesozoic by the initial rifting of Pangaea along the line of the northern Atlantic Ocean and the Tethys Sea. Laurasia included what was to become North America, Greenland, Europe, Asia, and Malesia east to Sulawesi, while the large, southern continental mass (called Gondwana) was later to divide into South America, Africa, India, Australasia, Malesia east of Sulawesi, and Antarctica. Fossil evidence indicates that the Laurasian floral assemblage included many species of tropical plants that were incorporated into sediments to form the extensive coal measures that are mined throughout Europe and the eastern USA.

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MICHAEL ALLABY. "Laurasia." A Dictionary of Ecology. 2004. Encyclopedia.com. 26 May. 2012 <http://www.encyclopedia.com>.

MICHAEL ALLABY. "Laurasia." A Dictionary of Ecology. 2004. Encyclopedia.com. (May 26, 2012). http://www.encyclopedia.com/doc/1O14-Laurasia.html

MICHAEL ALLABY. "Laurasia." A Dictionary of Ecology. 2004. Retrieved May 26, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O14-Laurasia.html

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Laurasia

Laurasia The northern continental mass produced in the early Mesozoic by the initial rifting of Pangaea along the line of the northern Atlantic Ocean and the Tethys sea. Laurasia included what was to become N. America, Greenland, Europe, and Asia, while the large, southern continental mass (called Gondwana) was later to divide into S. America, Africa, India, Australia, and Antarctica. Fossil evidence indicates that the Laurasian floral assemblage included many species of tropical plants that were incorporated into sediments to form the extensive coal measures that are mined throughout Europe and the eastern USA.

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MICHAEL ALLABY. "Laurasia." A Dictionary of Plant Sciences. 1998. Encyclopedia.com. 26 May. 2012 <http://www.encyclopedia.com>.

MICHAEL ALLABY. "Laurasia." A Dictionary of Plant Sciences. 1998. Encyclopedia.com. (May 26, 2012). http://www.encyclopedia.com/doc/1O7-Laurasia.html

MICHAEL ALLABY. "Laurasia." A Dictionary of Plant Sciences. 1998. Retrieved May 26, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O7-Laurasia.html

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Laurasia

Laurasia Rather than accepting Wegener's single supercontinent Pangaea, the South African geologist Alexander du Toit preferred to argue for northern and southern supercontinents (Laurasia and Gondwanaland, respectively) which had been more-or-less separated since the Late Palaeozoic by the seaway Tethys, which was not broken up until the Tertiary as Africa and India drove northwards towards Eurasia. Laurasia thus comprises North America and Eurasia.

Anthony Hallam

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PAUL HANCOCK and BRIAN J. SKINNER. "Laurasia." The Oxford Companion to the Earth. 2000. Encyclopedia.com. 26 May. 2012 <http://www.encyclopedia.com>.

PAUL HANCOCK and BRIAN J. SKINNER. "Laurasia." The Oxford Companion to the Earth. 2000. Encyclopedia.com. (May 26, 2012). http://www.encyclopedia.com/doc/1O112-Laurasia.html

PAUL HANCOCK and BRIAN J. SKINNER. "Laurasia." The Oxford Companion to the Earth. 2000. Retrieved May 26, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O112-Laurasia.html

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Laurasia

Laurasia The northern continental mass produced in the early Mesozoic by the initial rifting of Pangaea along the line of the N. Atlantic Ocean and Tethys. Laurasia included what was to become N. America, Greenland, Europe, and Asia, while the large, southern, continental mass (called Gondwanaland) was later to divide into S. America, Africa, India, Australia, and Antarctica.

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AILSA ALLABY and MICHAEL ALLABY. "Laurasia." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. 26 May. 2012 <http://www.encyclopedia.com>.

AILSA ALLABY and MICHAEL ALLABY. "Laurasia." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. (May 26, 2012). http://www.encyclopedia.com/doc/1O13-Laurasia.html

AILSA ALLABY and MICHAEL ALLABY. "Laurasia." A Dictionary of Earth Sciences. 1999. Retrieved May 26, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O13-Laurasia.html

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Laurasia

Laurasia a vast continental area believed to have existed in the northern hemisphere and to have resulted from the break-up of Pangaea in Mesozoic times. It comprised the present North America, Greenland, Europe, and most of Asia north of the Himalayas.

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ELIZABETH KNOWLES. "Laurasia." The Oxford Dictionary of Phrase and Fable. 2006. Encyclopedia.com. 26 May. 2012 <http://www.encyclopedia.com>.

ELIZABETH KNOWLES. "Laurasia." The Oxford Dictionary of Phrase and Fable. 2006. Encyclopedia.com. (May 26, 2012). http://www.encyclopedia.com/doc/1O214-Laurasia.html

ELIZABETH KNOWLES. "Laurasia." The Oxford Dictionary of Phrase and Fable. 2006. Retrieved May 26, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O214-Laurasia.html

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Laurasia

Laurasia The continent, formed when Pangaea divided into two parts, that comprised what subsequently divided further to become N. America and Eurasia. See HOLARCTICA.

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MICHAEL ALLABY. "Laurasia." A Dictionary of Zoology. 1999. Encyclopedia.com. 26 May. 2012 <http://www.encyclopedia.com>.

MICHAEL ALLABY. "Laurasia." A Dictionary of Zoology. 1999. Encyclopedia.com. (May 26, 2012). http://www.encyclopedia.com/doc/1O8-Laurasia.html

MICHAEL ALLABY. "Laurasia." A Dictionary of Zoology. 1999. Retrieved May 26, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O8-Laurasia.html

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Laurasia

Laurasia : see continental drift .

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"Laurasia." The Columbia Encyclopedia, 6th ed.. 2011. Encyclopedia.com. 26 May. 2012 <http://www.encyclopedia.com>.

"Laurasia." The Columbia Encyclopedia, 6th ed.. 2011. Encyclopedia.com. (May 26, 2012). http://www.encyclopedia.com/doc/1E1-X-Laurasia.html

"Laurasia." The Columbia Encyclopedia, 6th ed.. 2011. Retrieved May 26, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1E1-X-Laurasia.html

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Laurasia

Laurasia See continental drift.

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"Laurasia." A Dictionary of Biology. 2004. Encyclopedia.com. 26 May. 2012 <http://www.encyclopedia.com>.

"Laurasia." A Dictionary of Biology. 2004. Encyclopedia.com. (May 26, 2012). http://www.encyclopedia.com/doc/1O6-Laurasia.html

"Laurasia." A Dictionary of Biology. 2004. Retrieved May 26, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O6-Laurasia.html

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