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IV.—On the Pre-Cambrian Rocks of West and Central Ross-shire
Published online by Cambridge University Press: 01 May 2009
Extract
Loch Maree runs roughly parallel with the strike of the beds of the Pre-Cambrian rocks, consequently there is no great thickness of these rocks exposed along its shores, and we do not find the same variability in their character, as in the area previously described. Along the S.W. shores the gneisses described in Notes 4 and 5 are most frequently met with, especially towards the western end; but about the Loch Maree Hotel, and eastward of this point, the gneisses described in Notes 7 and 8 are the prevailing types.
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References
page 156 note 1 Quart. Journ. Geol. Soc. vol. xvii. p. 176.Google Scholar
page 156 note 2 Ibid. p. 178.
page 157 note 1 Rather too much of the floor is left uncovered in the map to the north of Ben Larig. The exposures are chiefly here along lines of valleys and the borders of lakes.
page 157 note 2 Quart. Journ. Geol. Soc. vol. xvii. p. 190.Google Scholar
page 158 note 1 The Geology and Scenery of the North of Scotland, 1866, p. 28
page 160 note 1 Mineralogical Notices by Prof. N. S. Maskelyne and Dr. W. Flight, Journal of the Chemical Society, Jan. 1871.
page 162 note 1 Quart. Journ. Geol. Soc. vol. xvii. pp. 190 and 192.Google Scholar
page 162 note 2 Quart. Journ. Geol. Soc. vol. xvii. p. 103.Google Scholar
page 163 note 1 Prof. Bonney, in some notes which he has just published (Quart. Journ. Geol. Soc. vol. xxvi. p. 95Google Scholar) says, “that all the so-called syenite (except some intrusive dykes) is simply a rather granitoid variety of the Hebridean gneiss.” In this he includes the granitic rock just mentioned, but the evidence which I have brought forward seems to show that this is almost impossible, even if the petrological evidence strongly favoured (which it really does not) such a view.