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Greifensteine : ウィキペディア英語版 | Greifensteine
The Greifensteine is a rock formation in the Ore Mountains, Germany, between the towns of Geyer, Ehrenfriedersdorf and Jahnsbach. The highest of the seven granite rocks reaches 731 m. == Geology == Geologically, the Greifensteine is the top of a pluton. During the Variscan orogeny, magma intruded along structural zones, but cooled and solidified before reaching the earth surface. When the Erzgebirge block raised, the resulting granite formation raised with it. The surrounding softer material eroded and the harder granite remained, creating the tors of the rock formation. The deposition of ores associated with the intrusion gave the area its name (Erzgebirge, literally ''ore 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「Greifensteine」の詳細全文を読む
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