Aye_formation

Aye Formation

Aye Formation

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The Aye Formation is a geologic formation in the Dinant synclinorium, Ardennes, Belgium. It is part of the Condroz Group,[1] at the base of the middle Famennian (Upper Devonian). It is characterized by the presence of a conodont fossil Palmatolepis rhomboidea.[2]

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It is composed mostly of greenish shales and siltstones with some lenses of sandstone. As it formed in an offshore position, in a subtidal wave-influenced environment, bioturbation features are significant. Cross-bedding structures also occur.[2]

The stratotype is located in the area of Houyet and Aye in Belgium.[2]

References

  1. [1]
    "Devonian—Descriptions". Devonian. National Commission for Stratigraphy Belgium. Retrieved 7 April 2017.
  2. [2]
    "Aye Formation". Devonian. National Commission for Stratigraphy Belgium. Retrieved 7 April 2017.
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