BGS mineralogy and petrology collection record

Sample number S56685; COLLNOYZ1035;
Sample Donor Berridge,N.G.
Rock name 'Original entry: Relatively Coarse-Grained ?Porphyritic Microdiorite'
Stratigraphy Not entered
Comments Relatively coarse-grained ?porphyritic microdiorite (FP/jPM)
Locality details 10050 ft at 279 deg from Sgurr nan Conbhairean summit
50k map sheet Cluanie (72)

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Map reference NH 099 144
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


S56685

Cross Polarized, S56685

Plane Polarized, S56685

Plane Polarized, S56685