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Churchill kimberlite field : ウィキペディア英語版 | Churchill kimberlite field The Churchill kimberlite field is a kimberlite field near Hudson Bay in Nunavut, Canada. It was formed during three magmatic events that spanned from 225 million years ago to 170 million years ago. The proposed source of volcanism has been the New England and Cape Verde hotspots.〔(Zurevinski et al. 2008 The newly discovered Churchill kimberlite field, Canada: Petrography, mineral chemistry and geochronology )〕 ==See also==
*List of volcanoes in Canada *Volcanism in 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「Churchill kimberlite field」の詳細全文を読む
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