BGS mineralogy and petrology collection record

Sample number S9187
Sample Donor Wilson, J.S.G.
Rock name 'Original entry: Hornblende-Biotite Porphyrite'
Stratigraphy Not entered
Comments Dyke no. 2
Locality details Coille an Rois
50k map sheet Loch Eil (62)

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Map reference NN 18 85
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


S9187

Cross Polarized, S9187

Plane Polarized, S9187

Plane Polarized, S9187