BGS mineralogy and petrology collection record

Sample number S71518; COLLNOCX1078;
Sample Donor Smith,C.G.
Rock name 'Original entry: Feldspar Porphyry'
Stratigraphy Not entered
Comments Dyke cutting Moine
Locality details Small mound just north of stream, Glen Coiltie
50k map sheet Fort Augustus (73)

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Map reference NH 4653 2728
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


S71518

Cross Polarized, S71518

Plane Polarized, S71518

Plane Polarized, S71518