BGS mineralogy and petrology collection record

Sample number S46962; COLLNOYZ61;
Sample Donor Berridge,N.G.
Rock name Not entered
Stratigraphy Not entered
Comments Steep dyke, blocky-jointed
Locality details Nant Low Pressure Tunnel (HE 26), 908 ft from intake portal
50k map sheet Oban (45)

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Map reference NN 0021 2319
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


S46962

Cross Polarized, S46962

Plane Polarized, S46962

Plane Polarized, S46962