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Queenston Delta : ウィキペディア英語版 | Queenston Delta
The Queenston Delta is a 300-mile-wide clastic wedge of sediment deposited over what is now eastern North America during the late Ordovician period due to the erosion of mountains created during the Taconic orogeny. The wedge is thickest in a band running from New York State to Quebec and extends from the Catskill mountains to Lake Huron. ==References==
*(The Queenston Delta (Britannica) ) *(Mountain Building: The Taconic Mountains )
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「Queenston Delta」の詳細全文を読む
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