BGS mineralogy and petrology collection record

Sample number S39734; COLLNOYB257;
Sample Donor Lawrie,T.R.M.
Rock name 'Original entry: Microdiorite With Acicular Hornblende'
Stratigraphy Not entered
Comments Obscure body, possibly concordant sheet and probabaly 10-20 ft thick at least. Microdiorite with acicular hornblende.
Locality details Old railway line (Spean Bridge - Gairlochy), W side of cutting, 1170 yds W 20.5 deg N of junction of Inverness and Gairlochy roads
50k map sheet Loch Eil (62)

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Map reference NN 1991 8270
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


S39734

Cross Polarized, S39734

Plane Polarized, S39734

Plane Polarized, S39734