Rahul Sharma (Editor)

Aye formation

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Aye Formation is a Geologic Formation at the Base of the Middle Famennian. It is characterized by a conodont Palmatolepis rhomboidea. It is found in the southern part of the Dinant Synclinorium. Its former name was Aye shales or schists.

It is composed of greenish shale with alternating interbedded greenish argillaceous platy siltstone beds and lenticular (some cm thick) fine-grained sandstone and siltstone. As it formed in an offshore position, in a subtidal wave-influenced environment, bioturbation is important and is translated by cross-bedding structures.

The Stratotype is located in the area of Houyet and Aye in Belgium.

References

Aye formation Wikipedia