BGS mineralogy and petrology collection record

Sample number S46960; COLLNOYZ59;
Sample Donor Berridge,N.G.
Rock name Not entered
Stratigraphy Not entered
Comments NW-dipping branching dyke; main rock type
Locality details Nant Low Pressure Tunnel (HE 26), 5465 ft from intake portal
50k map sheet Oban (45)

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Map reference NN 0055 2185
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


S46960

Cross Polarized, S46960

Plane Polarized, S46960

Plane Polarized, S46960