Nena (supercontinent)
From Infogalactic: the planetary knowledge core
U–Pb ages of 5246 concordant detrital zircons from 40 of Earth's major rivers (Nena is referred to as Nuna)[1]
Nena was an ancient minor supercontinent that consisted of the cratons of Arctica, Baltica, and East Antarctica.
Nena formed about 1.8 billion years ago but became part of the global supercontinent Columbia around 1.1 billions of years ago.
Nomenclature
Nena is an acronym that derives from Northern Europe and North America, but in contemporary research is often referred to as Nuna.
Extent
Nena as a continent has been associated with the Sudbury Basin Impact.
References
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<references />, or <references group="..." />- Sankaran, A. V., The Supercontinent Medley: Recent Views. Current Science, 25 August 2003.
External links
Multimedia
In research
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Continents of the world
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- ↑ Campbell, Ian H., Charlotte M. Allen. "Formation of Supercontinents Linked to Increases in Atmospheric Oxygen." Nature. 1 (2008): 554–558.
