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Siberian Platform : ウィキペディア英語版
Siberia (continent)

Siberia, also known as Angaraland (or simply Angara) and Angarida, is an extremely ancient craton located in the heart of Siberia. Today forming the Central Siberian Plateau, it formed an independent continent before the Permian.
Angaraland was named in the 1880s by Austrian geologist Eduard Suess who erroneously believed that in the Paleozoic there were two large continents in the Northern Hemisphere: "Atlantis", North America connected to Europe by a peninsula (=Greenland and Iceland); and "Angara-land", eastern Asia, named after the Angara River in Siberia.
==Precambrian history==
About 2.5 billion years ago (Siderian), Siberia was part of a continent of Arctica, along with the Canadian Shield. Around 1.1 billion years ago (Stenian), Siberia became part of the major supercontinent of Rodinia, a state of affairs which lasted until the Cryogenian about 750 million years ago when it broke up, and Siberia became part of the minor supercontinent of Protolaurasia. During the Ediacaran Period around 600 million years ago, Protolaurasia became part of the major southern supercontinent of Pannotia but around 550 million years ago, both Pannotia and Protolaurasia split up to become the continents of Laurentia, Baltica and Siberia.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Siberia (continent)」の詳細全文を読む



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