Geology? It's all about stones...

What forces create mountains? Why do volcanoes erupt? What was it like during the ice age and will there be a new one? How were ores formed? Is there water here and why? Will oil be found if a borehole is drilled here? All this and much more is investigated by the science of geology.

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Geology of Hesse

The oldest rocks of Hesse originate from the Orduvizium (approx. 488 million years ago) and the Silurian. The sedimentary rocks that were deposited as part of a sea during the Devonian and Carboniferous periods are particularly exciting.

An overview of the geological development of Hesse can be found here.

Take a journey through the last 540 million years of the earth's history here.

Gypsum and Anhydrite - Rock of the Year 2022

Since 2007, the Berufsverband Deutscher Geowissenschaftler (BDG) and the Deutsche Gesellschaft für Geowissenschaften - Geologische Vereinigung (DGGV) have chosen a "Rock of the Year" for the whole of Germany. The aim is to explain and illustrate the most diverse rocks and their formation as well as their uses and deposits. Gypsum and anhydrite stone was selected for the year 2022.


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Calcite - Mineral of the Year 2021


The "Mineral of the Year" award is presented by the Association of the Friends of Mineralogy and Geology e.V. and aims to emphasize the importance of minerals in a wide variety of areas. In the year 2021 Calcite was chosen from several suggestions.


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Pelosol - Soil of the Year 2022


Every year since 2005, the soil of the year for the upcoming year is chosen on the 5th of December as part of an Action Day. The decision for the tidal flat soil was made by the Bodenkundliche Gesellschaft (DBG), the Bundesverband Boden e.V. (BVB) and the Ingenieurtechnischer Verband für Altlastenmanagement und Flächenrecycling (ITVA). The whole process is supported by the Federal Environment Agency (UBA).

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  • Francis P. & Oppenheimer, C. (2004). Volcanoes. Oxford University Press. New York.
  • Reischmann, T. & Schraft, A. (2009). Der Vogelsberg: Geotope im größten Vulkangebiet Mitteleuropas. Hessisches Landesamt für Naturschutz, Umwelt und Geologie. Wiesbaden.
  • Tarbuck, E. J. & Lutgens, F. K. (2005). Earth. An Introduction to Physical Geology. 8. Ed. Pearson Prentice Hall. New Jersey.