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Carmacks Group : ウィキペディア英語版 | Carmacks Group The Carmacks Group is a Late Cretaceous volcanic group in southwest-central Yukon, Canada, located between the communities of Dawson City and Whitehorse. It consists of flood basalts, coarse volcaniclastic rocks and sandy tuffs interbedded with subordinate andesite and basaltic lava flows. It has been interpreted to be a displaced portion of the Yellowstone hotspot track that was formed 70 million years ago.〔 ==See also==
*Volcanism of Northern Canada
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「Carmacks Group」の詳細全文を読む
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