BGS mineralogy and petrology collection record

Sample number S40249; COLLNOXN625;
Sample Donor Wright,J.E.
Rock name 'Original entry: Altered Hornblende-Mica Lamprophyre'
Stratigraphy Not entered
Comments Hornblende-phyric microdiorite from 4 ft cross-cutting sheet (dips WNW at 20 deg) in garnetiferous quartz-mica schist
Locality details Allt Odhar, 2950 yds SE of Rathliesbeag
50k map sheet Loch Eil (62)

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Map reference NN 2229 8314
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


S40249

Cross Polarized, S40249

Plane Polarized, S40249

Plane Polarized, S40249