BGS mineralogy and petrology collection record

Sample number S50722; COLLNOYZ235;
Sample Donor Berridge,N.G.
Rock name 'Original entry: ?Leucocratic Microdiorite, Resembles A Siliceous Semipelite'
Stratigraphy Not entered
Comments ?Leucocratic microdiorite, apparently a 10 ft dyke; resembles a siliceous semipelite
Locality details Glen Loyne - south: 4860 ft at 147 deg from confluence of Allt Mam na Seilg with R Loyne
50k map sheet Cluanie (72)

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Map reference NH 119 044
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


S50722

Cross Polarized, S50722

Plane Polarized, S50722

Plane Polarized, S50722