BGS mineralogy and petrology collection record

Sample number S82317; COLLNOCX2531;
Sample Donor Smith,C.G.
Rock name Tonalite. 'Original entry: Quartz Diorite'
Stratigraphy Not entered
Comments Medium grained mafic diorite - quartz diorite
Locality details 550m N of Knock of Lawsie summit
50k map sheet Ballater (65E)

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Map reference NO 2624 9708
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


Cross Polarized, S82317

Plane Polarized, S82317

Plane Polarized, S82317