﻿138 



ME. E. BATTEBSBT BAILEY OX 



[vol. lxxii, 



since, on crossing the line laid clown for it in fig. 3, one finds rocks 

 of the Highland Schist Complex extending south-westwards as far 

 at least as the outcrop of the Loch Skerrols Thrust. 



Mention has already been made of the Bowmore Sandstone. As 

 exposed along the shore between Bowmore and Laggan, this group 



Fig. 3. — Suggested continuation of the Great Glen Fault across 

 Islay, with the Moine Thrust on the north-ivest side perhaps 

 equivalent to the Loch Skerrols Thrust on the south-east side 

 (in Islay). 



consists of compact, hard, fine-grained sandstone, Aveathering with 

 brown surfaces, but grey on a fractured face. A very occasional 

 solated pebble of quartz or felspar can be detected, sometimes of 

 air size. The rocks are extremely homogeneous, and therefore the 



