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The Ligérian is a regional geological substage of the Turonian. It designates sediments of the Lower Turonian in western France. == Etymology == The name Ligérian, in French ''Ligérien'', is derived from the Latin ''Ligera'', which stands for the Loire River. 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「Ligérian」の詳細全文を読む スポンサード リンク
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