BGS mineralogy and petrology collection record

Sample number S52314; COLLNOYZ345;
Sample Donor Berridge,N.G.
Rock name 'Original entry: Porphyritic Microdiorite; Similar To Semipelite'
Stratigraphy Not entered
Comments Porphyritic microdiorite; similar to semipelite
Locality details 7120 ft at 70 deg from Glenloyne House
50k map sheet Cluanie (72)

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Map reference NH 155 061
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


S52314

Cross Polarized, S52314

Plane Polarized, S52314

Plane Polarized, S52314