BGS mineralogy and petrology collection record

Sample number S46494; COLLNOYW154;
Sample Donor May,F.
Rock name 'Original entry: Biotitic Lamporphyre'
Stratigraphy Not entered
Comments From 2 ft 6 in dyke cutting psammite
Locality details 720 yds N 34 deg E of lower waterfall, Allt Coir' an t-Seasgaich
50k map sheet Loch Eil (62)

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Map reference NH 0763 0367
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


S46494

Cross Polarized, S46494

Plane Polarized, S46494

Plane Polarized, S46494