Clogau Quarry

Site of Special Scientific Interest · 53.0075, -3.2159

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Clwyd County BRYNIAU CLWYD A DYFFRYN DYFRDWY/CLWYDIAN RANGE AND DEE VALLEY Scenic Area

Geology & landscape

Mining / Industrial: Quarry · Geological Period: Silurian

Description

Description Clogau Quarry is notified for its geological interest.This working quarry exhibits extensive exposures of the late Silurian slates of the Nant-y-Bach Group. Large bedding planes show remains of a diverse early Ludlow graptolite fauna.The site shows the largest exposures in the area of the fossiliferous Gorstian slates and silty mudstones.