BGS mineralogy and petrology collection record

Sample number S82320; COLLNOCX2534;
Sample Donor Smith,C.G.
Rock name Porphyry. 'Original entry: Quartz Feldspar Porphyry'
Stratigraphy Not entered
Comments Grey quartz feldspar porphyry/microdiorite hybrid
Locality details 400m NNE of Knock of Lawsie summit
50k map sheet Ballater (65E)

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Map reference NO 2633 9687
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


S82320

Cross Polarized, S82320

Plane Polarized, S82320

Plane Polarized, S82320