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Looking ~E from beneath the summit of the Stac of Glencoul. The Moine Thrust (MT) emplaces Precambrian metasedimentary Moine Schists (MS) over Cambrian Quartzite Mylonites (CQM). The flat foreground overlies the unconformity (u/c) between the Cambro-Ordovician sequence and the Archaean Lewisian Gneisses. |