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Atlantica
Atlantica (; ''Atlantika'') is an ancient continent that formed during the Proterozoic about (two billion years ago, Ga) from various 2 Ga cratons located in what is now West Africa and eastern South America.
The name, introduced by , was chosen because the continent opened up to form the South Atlantic Ocean.
== Formation == Atlantica formed simultaneously with Nena at about 1.9 Ga from Archaean cratons, including Amazonia in present-day South America, and the Congo, West Africa and North Africa Cratons in Africa.
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