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Mirovia

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Title: Mirovia  
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Subject: Superocean, List of ancient oceans, Historical oceans, South China (continent), Panthalassa
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Mirovia

Mirovia (from Russian мировой, mirovoy, meaning "global") was a hypothesized superocean which may have been a global ocean surrounding the supercontinent Rodinia in the Neoproterozoic Era, about 1 billion to 750 million years ago.[1] The Mirovia may be essentially identical to, or the precursor of, the hypothesized Pan-African Ocean, which followed the rifting of Rodinia. The Panthalassa (proto-Pacific Ocean) developed in the Neoproterozoic Era by subduction at the expense of the global Mirovia ocean.[2]

A reconfiguration of the supercontinent Rodinia. The superocean that surrounds it is Mirovia.
Geologic evidence suggests that the middle Neoproterozoic, the Cryogenian period, was an extreme ice age so intense that Mirovia may have been completely frozen to a depth of 2-km. This is part of the Snowball Earth hypothesis.

References

  1. ^ McMenamin, Mark A.; McMenamin, Dianna L. (1990). "The Rifting of Rodinia". The Emergence of Animals. Columbia University Press.  
  2. ^ Powell, Christopher McA; Pisarevsky, Sergei A. "Rodinia to Gondwanaland: Growth of the Pacific Ocean and Destruction of the Mozambique and Brazilide Oceans". GSA Conference, Earth System Processes - Global Meeting (June 24-28, 2001), abstract. 
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