BGS mineralogy and petrology collection record

Sample number S53140; COLLNOYZ675;
Sample Donor Berridge,N.G.
Rock name 'Original entry: Diorite, Porphyry, Medium-Grained, Melanic'
Stratigraphy Not entered
Comments Diorite, porphyry, medium-grained, melanic
Locality details 4560 ft at 19 deg from Bealachasain
50k map sheet Cluanie (72)

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Map reference NG 901 187
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


S53140

Cross Polarized, S53140

Plane Polarized, S53140

Plane Polarized, S53140