Topic summary
Coumiac quarry
Extracted from the Wikipedia article Coumiac Formation.
The Global Boundary Stratotype Section and Point (GSSP) for the base of the Famennian Stage of the Devonian is located at Coumiac quarry (43°28′14″N3°03′35″E / 43.4705°N 3.0597°E) near Cessenon-sur-Orb.