Mirovia or Mirovoi (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. 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.
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.
See also
References
- McMenamin, Mark A.; McMenamin, Dianna L. (1990). "The Rifting of Rodinia". The Emergence of Animals. Columbia University Press. ISBN 978-0-231-06647-1.
- 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. Archived from the original on 2011-08-09. Retrieved 2007-07-10.
- Dutkiewicz, A.; Merdith, A. S.; Collins, A. S.; Mather, B.; Ilano, L.; Zahirovic, S.; Dietmar Müller, R. (2024). "Duration of Sturtian 'Snowball Earth' glaciation linked to exceptionally low mid-ocean ridge outgassing". Geology. doi:10.1130/G51669.1. hdl:2440/140615.
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