In geology, a supercontinent is the assembly of most or all of the Earth`s continental blocks or cratons to form a single large landmass. However, the definition of a supercontinent can be ambiguous. Many tectonicists such as Hoffman (1999) use the term `supercontinent” to mean `a clustering of nearly all continents”. This definition leav...
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http://en.wikipedia.org/wiki/Supercontinent
(from the article `community ecology`) ...According to this model, continental drift is cyclic: in the past 1.2 billion years the continents have fluctuated between a phase in which all ... Once major continental shields grew, plate tectonics was characterized by the cyclic assembly and breakup of supercontinents created by the ... W...
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http://www.britannica.com/eb/a-z/s/187
A supercontinent is a large continent that is formed by two or more continents. Pangaea was a supercontinent consisting of all of Earth's land masses. It existed during the Permian period through the Jurassic period . It began breaking up during the Jurassic, forming the continents Gondwanaland and Laurasia .
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http://www.enchantedlearning.com/subjects/dinosaurs/glossary/
A large landmass that forms from the convergence of multiple continents.
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http://www.encyclo.co.uk/local/22392
a hypothetical protocontinent of the remote geologic past that rifted apart to form the continents of today. Cf.
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https://www.infoplease.com/dictionary/supercontinent
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