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Southern Province (Canadian Shield) : ウィキペディア英語版 | Southern Province (Canadian Shield) The Southern Province is a portion of Proterozoic rock that ranges in age from 2.5 billion to 600 million years old. It represents a subdivision of the much larger Canadian Shield and forms the bedrock of portions of Ontario, Canada and the U.S. states of Michigan and Minnesota. A few significant geologic features are situated in the Southern Province, including the Midcontinent Rift System and the Sudbury Igneous Complex.〔(Overview of the Geology of Ontario )〕 ==References==
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「Southern Province (Canadian Shield)」の詳細全文を読む
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