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K19 pipe K19 pipe is a diatreme in the southwestern part of the Buffalo Head Hills kimberlite field in Northern Alberta, Canada. It is thought to have formed about 60 million years ago, making it one of the youngest volcanic formations in the Buffalo Head Hills kimberlite field and in Alberta.〔(Emplacement characteristics of Late Cretaceous and Paleocene pyroclastic and injected kimberlites in northern Alberta, Canada )〕 Unlike many other diatremes in the Buffalo Head Hills kimberlite field, it contains low diamond content.〔 ==See also==
*List of volcanoes in Canada *Volcanism of Canada *Volcanism of Western 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「K19 pipe」の詳細全文を読む
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