Roughly 50 to 60 million years ago, volcanoes formed along the great geological faults. Tonlos bearing witness to this time are the Otzberg, the Daumberg and the Katzenbuckel, all extinct volcanoes in the Odenwald. Furthermore, volcanism with acidic rocks has left a legacy of rhyolites near Dossenheim. – Inmitten all https://johnw470nzl7.wikisona.com/user