Aachen Formation, Geological formation in Liège region, Belgium.
The Aachen Formation extends through eastern Belgium with layers of chalk, marl, and limestone deposited during the Late Cretaceous period.
Scientists identified and mapped this formation in the nineteenth century, establishing its significance within the broader European Chalk Group system.
The formation serves as a natural laboratory for geology students from Belgian universities who conduct regular field studies and research projects.
Visitors can reach observation points of the formation through marked trails connecting major geological sites in the Liège province.
The chalk deposits within this formation contain marine fossils that reveal information about life forms from 70 million years ago.
Part of: Chalk Group
GPS coordinates: 50.80000,5.90000
Latest update: May 27, 2025 17:43
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