. The Quarterly journal of the Geological Society of London. Rocks later than the Schists ,,-,, ;:i^, 1% \\L. Yd. 69.] LOCH AWE SYNCLLNE (ARGYLLSHIRE). 307 reappeared in Ireland. The relative positions of the rocks of thegroups had been proved by the speaker more than twenty years ago,and the conclusions reached were published in Sir ArchibaldGeikies first Presidential address to the Geological Society (1391).The Blair Atholl Limestone (believed by the speaker to be theTayvallich Limestone) was shown to be on one side of the Quartzite,and the Caenlochan Schist (Ardrishaig Phyllite) on the othe


. The Quarterly journal of the Geological Society of London. Rocks later than the Schists ,,-,, ;:i^, 1% \\L. Yd. 69.] LOCH AWE SYNCLLNE (ARGYLLSHIRE). 307 reappeared in Ireland. The relative positions of the rocks of thegroups had been proved by the speaker more than twenty years ago,and the conclusions reached were published in Sir ArchibaldGeikies first Presidential address to the Geological Society (1391).The Blair Atholl Limestone (believed by the speaker to be theTayvallich Limestone) was shown to be on one side of the Quartzite,and the Caenlochan Schist (Ardrishaig Phyllite) on the other. Atthe extreme north-eastern end of this outcrop, the quartzite was-very thin, and passed down insensibly into the underlying darkschist, which there intervened between it and the Caenlochan south-westwards, one noticed first the occurrence ofsmall grains of the dark material at the base of the quartzite, lateron small pellets, and finally in the area in question the originaldark mud was at times completely eroded away ; but now pellets ofit. of larger size, occur in the quartzite. Th


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Keywords: ., bookcentury1800, bookdecade1840, booksubjectgeology, bookyear1845