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Cowie Formation
Geological formation in Scotland / From Wikipedia, the free encyclopedia
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The Cowie Formation is geological formation located on the Highland Boundary Fault between the fishing village of Cowie and Ruthery Head, in Aberdeenshire, Scotland.[1] Age of this formation is controversial, that was originally estimated at the Middle Silurian, Wenlock to Ludlow, but zircon geochronology shows the Early Devonian, Lochkovian instead.[2] In study published in 2023, according to spore microfossils and additional zircon data, the Middle Silurian, late Wenlock age is suggested again.[3] However, in 2024 it is considered as unsustainable because this conclusion is based on adjacent structurally separated block with different stratigraphy and sedimentology to the block with fossil productive Fish Bed.[4] This formation preserves fossils, including a millipedes such as Pneumodesmus and Cowiedesmus that were discovered by Mike Newman in 2001,[5] and some agnathan like Cowielepis.[6]
Cowie Formation | |
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Stratigraphic range: late Wenlock to early Ludlow or Lochkovian | |
![]() Shoreline near Cowie | |
Type | Formation |
Location | |
Region | Scotland |
Country | ![]() |