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・ Arctostaphylos gabrielensis
・ Arctostaphylos glandulosa
・ Arctostaphylos glauca
・ Arctostaphylos glutinosa
・ Arctostaphylos hispidula
・ Arctostaphylos hookeri
・ Arctostaphylos hooveri
・ Arctostaphylos imbricata
・ Arctostaphylos insularis
・ Arctic wolf spider
・ Arctic Yellow River Station
・ Arctic, Antarctic, and Alpine Research
・ Arctic, California
・ Arctic-Alpine Botanic Garden
・ Arctic/Longyearbyen
Arctica
・ Arctica (disambiguation)
・ Arctica (genus)
・ Arctica (song)
・ Arctica islandica
・ Arcticaborg
・ Arcticalymene
・ Arcticfox
・ Arcticidae
・ ArcticNet
・ Arcticoceras
・ Arcticodactylus
・ ArcticStartup
・ Arctic–alpine
・ Arctides


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Arctica : ウィキペディア英語版
Arctica

Arctica was an ancient continent which formed approximately 2.5 billion years ago in the Neoarchean era.
Arctica consisted of the Canadian and Siberian shields, and is now roughly situated in the Arctic around the current North Pole.
== History ==
Arctica joined with the continents Atlantica and Nena about one billion years ago to form the supercontinent, Rodinia.
With the breakup of the supercontinent, Arctica's fragments have mostly stayed at higher latitudes.
The regions of Severnaya Zemlya, Svalbard, the New Siberian Islands, a small part of the Taimyr Peninsula, the northern tips of Alaska and Chukotka, some islands near Greenland (and the Kara Sea shelf) were apparently artifacts from the second time Arctica contienent broke apart.

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「Arctica」の詳細全文を読む



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