Aye Formation

Aye Formation
Aye Formation
; Stratigraphic range: Famennian PreꞒ Ꞓ O S D C P T J K Pg N
Type	Geological formation
Unit of	Condroz Group
Lithology
Primary	Shales and siltstones
Other	Sandstone
Location
Location	Dinant synclinorium, Ardennes, Belgium

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]

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

^ "Devonian—Descriptions". Devonian. National Commission for Stratigraphy Belgium. Retrieved 7 April 2017.
^ ^a ^b ^c "Aye Formation". Devonian. National Commission for Stratigraphy Belgium. Retrieved 7 April 2017.

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[Condroz-1] "Devonian—Descriptions". Devonian. National Commission for Stratigraphy Belgium. Retrieved 7 April 2017.

[StratBelg-2] "Aye Formation". Devonian. National Commission for Stratigraphy Belgium. Retrieved 7 April 2017.

[1]

[2]

Aye Formation

References

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