BGS mineralogy and petrology collection record

Sample number S50067; COLLNOYR1047;
Sample Donor Dearnley,R.
Rock name 'Original entry: Microdiorite ("Porphyrite")'
Stratigraphy Not entered
Comments Foliated porphyrite sheet, margin
Locality details R. Farigaig below roadbridge at Torness
50k map sheet Fort Augustus (73)

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Map reference NH 580 270
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


S50067

Cross Polarized, S50067

Plane Polarized, S50067

Plane Polarized, S50067