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Ordovician Period Glaciation - V1
Artwork showing a map of the south polar regions of Earth during the late Ordovician
Period (480 MYa). Scientists have identified two distinctive cyclic episodes of
glaciation, each due to a different cause and having different effects on ice
distrib...
Keywords:
... lar System, south pole, supercontinent, variations ...
Ordovician Period Glaciation - V2
Artwork showing a map of the south polar regions of Earth during the late Ordovician
Period (480 MYa). Scientists have identified two distinctive cyclic episodes of
glaciation, each due to a different cause and having different effects on ice
distrib...
Keywords:
... lar System, south pole, supercontinent, variations ...