Messel pit

Darmstadt-Dieburg, Germany

The Messel Pit is a fossil preservation site in Hesse, central Germany, dated to the Eocene epoch (about 47 Ma). The fossil-bearing rock unit is a geologic formation named the Messel Formation; its geographic range is restricted to the Messel pit. There, the formation unconformably overlies crystalline Variscan basement and its Permian cover (Rotliegend) as well as Eocene volcanic breccias derived from the basement rocks. The formation mainly comprises lacustrine laminated bituminous shale ("oil shale") renowned for its content of fossils in exceptional preservation, particularly plants, arthropods and vertebrates (e.g. Darwinius masillae).

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NatureReserve data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).

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