Baltica
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Baltica is a paleocontinent that formed in the Paleoproterozoic and now constitutes northwestern Eurasia, or Europe north of the Trans-European Suture Zone and west of the Ural Mountains. The thick co
550 million years ago Baltica (green) was an isolated continent located near the South Pole.
Iapetus Ocean
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The Iapetus Ocean existed in the late Neoproterozoic and early Paleozoic eras of the geologic timescale. It was in the Southern Hemisphere, between the paleocontinents of Laurentia, Baltica and Avalon
Baltica
…marked by the c. 650 Ma Egersund dike swarm in southern Norway and from 600 Ma they began to rotate up to 180° relative to each other, thus opening the Iapetus Ocean between the two landmasses. Laurentia quickly moved northward into low latitudes but Baltica remained an isolated continent in the temperate mid-latitudes…
Geological fault at Niarbyl. The narrow white diagonal line near centre of picture is where the two sides of the Iapetus Ocean met during its closure. Sutures such as these are the modern evidence for this ancient ocean.