Mid-Carboniferous unconformity | |
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Stratigraphic range: Namurian, Carboniferous, c.326–313 Ma
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Crags below Knaresborough Castle. There is an unconformity between mid-Carboniferous sandstones at the road level and late Permian grits and limestones above.
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Type | Geological formation |
Underlies | Mississippian-aged rocks |
Overlies | Pennsylvanian-aged rocks |
Lithology | |
Primary | Sandstone |
Other | Conglomerate |
The Mid-Carboniferous unconformity is an unconformity located in many countries, such as England (Namurian Series), Thailand, The United States and more. It has been dated to the Namurian, Middle Carboniferous (c.326-313 Ma) and the formation is often noted as being similar to the mid-Carboniferous eustatic event.[1]
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