BGS mineralogy and petrology collection record

Sample number S50730; COLLNOYZ249;
Sample Donor Berridge,N.G.
Rock name 'Original entry: Fine-Grained Leucocratic Microdiorite (Affin. Porphyrite)'
Stratigraphy Not entered
Comments Fine-grained leucocratic microdiorite (affin. porphyrite)
Locality details Glen Loyne - south: 5280 ft at 133 deg from confluence of Allt Mam na Seilg with R Loyne
50k map sheet Cluanie (72)

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Map reference NH 124 045
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


S50730

Cross Polarized, S50730

Plane Polarized, S50730

Plane Polarized, S50730