翻訳と辞書 |
Mackenzie hotspot : ウィキペディア英語版 | Mackenzie hotspot
The Mackenzie hotspot was a volcanic hotspot that existed about 1,267 million years ago across Canada from the Northwest Territories and Nunavut. == Extent == The Mackenzie hotspot is responsible for the creation of the Mackenzie Large Igneous Province, which contains the largest dike swarm on Earth.〔Pilkington and Roest. ("Removing varying directional trends in aeromagnetic data." ) ''Geophysics'' vol. 63 no. 2 (1998), pp. 446–453.〕 During its formation, eruption of plateau lavas near the Coppermine River, built an extensive volcanic plateau about 1,200 million years ago with an area of about representing a volume of lavas of at least . The Mackenzie hotspot also resulted in the opening of the Mesoproterozoic Poseidon Ocean.
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「Mackenzie hotspot」の詳細全文を読む
スポンサード リンク
翻訳と辞書 : 翻訳のためのインターネットリソース |
Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.
|
|