BGS mineralogy and petrology collection record

Sample number S16739
Sample Donor Wilson, J.S.G.
Rock name 'Original entry: ?Keratophyre'
Stratigraphy Not entered
Comments Probably intrusion
Locality details 2500 ft SE of Lochan Tana
50k map sheet Mull (44)

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Map reference NM 5694 2543
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


S16739

Cross Polarized, S16739

Plane Polarized, S16739

Plane Polarized, S16739