Rock of the year 2023
Greywacke

The "Rock of the Year" has been selected since 2007 by an expert board of trustees under the auspices of the Professional Association of German Geoscientists (BDG). With the nomination, rocks that are remarkable for their geological formation and economic importance are brought into the public interest.

The greywacke is a mostly gray sandstone in which poorly rounded and unsorted grains of sand are embedded in a very solid, fine-grained matrix. It is a very resistant rock that comes in many varieties.

24. Januar 2023
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