A volcano erupts. Hot drops of lava are thrown out of the vent and fall onto other fragments of lava which have been spewed out during earlier eruptions.
Anyone who wants to learn more about tuff can easily find out about this rock and its uses in the 'Weiberner Schaufenster' ('Weibern Shop Window').
What is going on deep beneath our feet? How does volcanic activity affect the landscape? Experience volcanic phenomena and activity at close range.
The history of the Mayener Grubenfeld begins with the eruption of the Bellerberg Volcano about 200,000 years ago.
Clay and sand particles float around gently and settle on top of each other in layers on the seabed. But this tranquillity comes to an abrupt end.
During the eruption of the Bausenberg Volcano, which lasted only a few weeks, a cinder cone was formed.