BGS mineralogy and petrology collection record

Sample number S50729; COLLNOYZ247;
Sample Donor Berridge,N.G.
Rock name 'Original entry: Melanocratic Microdiorite Aff. Lamprophyre'
Stratigraphy Not entered
Comments Melanocratic microdiorite aff. lamprophyre; cuts S. 50730
Locality details Glen Loyne - south: 6280 ft at 127 deg from confluence of Allt Mam na Seilg with R Loyne
50k map sheet Cluanie (72)

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Map reference NH 129 043
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


S50729

Cross Polarized, S50729

Plane Polarized, S50729

Plane Polarized, S50729