BGS mineralogy and petrology collection record

Sample number S72741; S72741/A; COLLNOYW1426;
Sample Donor May,F.
Rock name 'Original entry: Microdiorite'
Stratigraphy Not entered
Comments Microdiorite dyke cutting Moine
Locality details Forest road below Creag Bheag
50k map sheet Fort Augustus (73)

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Map reference NH 4072 1699
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


S72741

Cross Polarized, S72741

Plane Polarized, S72741

Plane Polarized, S72741


S72741/A

Cross Polarized, S72741/A

Plane Polarized, S72741/A

Plane Polarized, S72741/A