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Explora Basalto, Rhine Geology e outros!

The former Basalt quarry at the Arensberg, is situated approx. 1km northwest of Zilsdorf. The Arensberg or Arnulphusberg, is the only major volcanic dome in the area around Zilsdorf-Hillesheim. The volcanic activity dates from the Tertiary period. The two outbreak periods date from around 24-32 million years ago.

The power of nature: 35 amazingly unique mountain and rock formations