BGS mineralogy and petrology collection record

Sample number S50175; S50175/A; COLLNOYZ190;
Sample Donor Berridge,N.G.
Rock name 'Original entry: Psammitic Granulite With Feldspar Porphyroblasts'
Stratigraphy Not entered
Comments Psammitic granulite with feldspar porphyroblasts - from massive body adjoining pegmatite
Locality details Allt Ruighe nan Fiadh (Coire Sgoir-adail), 4100 ft at 317 deg from Sgurr a' Mhaoraich summit
50k map sheet Cluanie (72)

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Map reference NG 975 074
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


S50175

Cross Polarized, S50175

Plane Polarized, S50175

Plane Polarized, S50175


S50175/A

Cross Polarized, S50175/A

Plane Polarized, S50175/A

Plane Polarized, S50175/A