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Matachewan dike swarm : ウィキペディア英語版 | Matachewan dike swarm
The Matachewan dike swarm is a large 2,500 to 2,450 million year old Paleoproterozoic dike swarm of Northern Ontario, Canada. It consists of basaltic dikes that were intruded in greenschist, granite-greenstone, and metamorphosed sedimentary terrains of the Superior craton of the Canadian Shield.〔(Petrogenesis of basalts from the Archean Matachewan Dike Swarm Superior Province of Canada )〕 With an area of , the Mistassini dike swarm stands as a large igneous province.〔(Igneous rock associations in Canada 3. Large Igneous Provinces (LIPs) in Canada and adjacent regions: 3 Ga to Present. )〕 ==See also==
*Matachewan hotspot *Volcanism of Canada *Volcanism of Eastern 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「Matachewan dike swarm」の詳細全文を読む
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