BGS mineralogy and petrology collection record

Sample number S52306; COLLNOYZ319;
Sample Donor Berridge,N.G.
Rock name 'Original entry: Highly Porphyritic Microdiorite; Distinctive'
Stratigraphy Not entered
Comments Highly porphyritic microdiorite; distinctive
Locality details 5720ft at 257 deg from intersection of Caochan Riabhach with A 87 road
50k map sheet Cluanie (72)

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Map reference NH 177 059
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


S52306

Cross Polarized, S52306

Plane Polarized, S52306

Plane Polarized, S52306