Abstract

In the early years of the century, certain rocks at the contact of the Moine schists with inliers of Lewisian gneiss, in the northern Highlands of Scotland, were identified as basal conglomerates of the Moine series. Since then, one of these inliers, the Scardroy, has been proved to be a part of the Moine series, and the so-called basal conglomerate has been tentatively identified as an augen gneiss. A few miles from Scardroy, basal conglomerates had been formerly identified in the Glen Strathfarrar inlier. Recent reinvestigation of this area has shown that the conglomeratic-appearing rock is actually of tectonic origin, that it consists of disrupted fragments of quartz veins and semipelitic granulite, and that it does not lie at the base of the Moine series.

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