Rügen chalk

Rügen chalk (German: Rügener Kreide or Rügener Schreibkreide) is the common name for a fine-grained, white, crumbly and highly porous chalk. It forms the highest member of the German Upper Cretaceous, and is of Maastrichtian age. It is found exposed in cliffs on the coast of the Jasmund peninsula in the island of Rügen in Mecklenburg-Vorpommern.

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