Concordant sheet, c. 15 ft, in striped quartzose to micaceous schists; made up oif about 11 well-defined bands sub-parallel to margins, alternate pale coarse-grained and dark fine-grained types; specimen is dark finer more mafic type; microdiorite
Locality details
R Spean, right bank, 1040 yds W 4 deg N of juction of Inverness and Gairlochy roads