the boundary between the light grey Sangomore Formation and the dark grey, mottled Sailmhor Formation (sometimes called Leopard Rock), both of which...

lowest unit is the Ghrudaidh Formation, followed by the Eliean Dubh Formation, the Sailmhor Formation and the Sangomore Formation, all consisting of dolomites...

on Skye, at Stronchrubie in the Assynt area (the Early Ordovician Sailmhor Formation) and around Durness, which is the type area and has the most complete...