Aachen Formation
Template:Short description Script error: No such module "Infobox".Script error: No such module "check for unknown parameters". The Aachen Formation (Template:Langx, Template:Langx) is an Upper Cretaceous geologic formation in the southern Netherlands and northeastern Belgium and adjacent Germany.[1]
It is stratigraphically equivalent to the middle part of the Chalk Group of England, and named after the German city of Aachen.
Geography
The formation crops out in southern Belgian and Dutch Limburg and adjacent areas in Germany. The formation can also be found in the subsurface of West Flanders, where it forms an aquifer from which drinking water is won.
Geology
The Aachen Formation consists of glauconite bearing sand. It was deposited during the Santonian and Campanian ages (85.8 to 70.6 million years ago) of the Cretaceous Period.
The formation rests unconformably on top of Carboniferous rocks of the Limburg Group, which are more than three times as old. Overlying the Aachen Formation is the Vaals Formation, equivalent to the upper part of the Chalk Group of England.
Fossil content
Among others, the following fossils have been reported from the formation:[1]
Corals
Flora
- Conifers
- Pollen
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See also
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References
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- ↑ a b Aachen Formation at Fossilworks.org
- ↑ Leloux, 1999
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- ↑ a b c d Dijkstra, 1949
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Bibliography
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- Upper Cretaceous Series of Europe
- Cretaceous Germany
- Cretaceous Netherlands
- Mesozoic Belgium
- Campanian Stage
- Santonian Stage
- Sandstone formations
- Shallow marine deposits
- Paleontology in Belgium
- Paleontology in the Netherlands
- Belgium–Germany border
- Belgium–Netherlands border
- Germany–Netherlands border
- Geologic formations of Germany
- Geologic formations of the Netherlands
- Geologic formations of Belgium