BGS mineralogy and petrology collection record

Sample number S58685; COLLNOYR2034;
Sample Donor Smith,D.I.
Rock name 'Original entry: Dark Granodiorite Or Tonalite'
Stratigraphy Not entered
Comments Dark granodiorite or tonalite; Caledonian
Locality details Glen Lia - Loch Mhor tunnel, chainage 6450 ft
50k map sheet Fort Augustus (73)

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Map reference NH 5197 2010
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


S58685

Cross Polarized, S58685

Plane Polarized, S58685

Plane Polarized, S58685