BGS mineralogy and petrology collection record

Sample number S46967; COLLNOYZ66;
Sample Donor Berridge,N.G.
Rock name Not entered
Stratigraphy Not entered
Comments Intrusion concordant - pre latest cleavage
Locality details Nant Low Pressure Tunnel (HE 26), 1961 ft from intake portal
50k map sheet Oban (45)

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Map reference NN 0031 2288
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


S46967

Cross Polarized, S46967

Plane Polarized, S46967

Plane Polarized, S46967