The Coumiac Formation is a geologic formation in France. It preserves fossils dated to the Devonian period.

Quick Facts Type, Location ...
Coumiac Formation
Stratigraphic range: Devonian
TypeFormation
Location
CountryFrance
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The Global Boundary Stratotype Section and Point (GSSP) for the base of the Famennian Stage of the Devonian is located at Coumiac quarry (43.4705°N 3.0597°E / 43.4705; 3.0597) near Cessenon-sur-Orb.[1]

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