BGS mineralogy and petrology collection record

Sample number S56699; COLLNOYZ1049;
Sample Donor Berridge,N.G.
Rock name 'Original entry: Leucocratic Microdiorite (Affin. Felsic Porphyrite)'
Stratigraphy Not entered
Comments Leucocratic microdiorite (affin. felsic porphyrite)
Locality details 1500 ft at 230 deg from confluence of Allt na Ciche and Uisge na Gralaig
50k map sheet Cluanie (72)

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Map reference NH 118 168
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


S56699

Cross Polarized, S56699

Plane Polarized, S56699

Plane Polarized, S56699