BGS mineralogy and petrology collection record

Sample number S16741
Sample Donor Wilson, J.S.G.
Rock name 'Original entry: Keratophyre Or Bostonite'
Stratigraphy Not entered
Comments Sill or inclined sheet
Locality details 3600 ft SW of Derrynaculan
50k map sheet Mull (44)

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Map reference NM 5571 2849
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


S16741

Cross Polarized, S16741

Plane Polarized, S16741

Plane Polarized, S16741