BGS mineralogy and petrology collection record

Sample number S38613; COLLNOXN310;
Sample Donor Wright,J.E.
Rock name 'Original entry: Highly-Decomposed Rather Coarse Igneous Rock: Presumably Hornblende Lamprophyre'
Stratigraphy Not entered
Comments ?Altered appinitic lamprophyre, apparently from same sheet as S. S. 38611-38612
Locality details Coire Dubh, E wall, 240 yds N 26 deg W of summit of Stob a' Ghriannain
50k map sheet Loch Eil (62)

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Map reference NN 0851 8230
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


S38613

Cross Polarized, S38613

Plane Polarized, S38613

Plane Polarized, S38613