BGS mineralogy and petrology collection record

Sample number S16549
Sample Donor Clough, C.T.
Rock name 'Original entry: Keratophyre'
Stratigraphy Not entered
Comments NW dyke; sp. gr. 2.50
Locality details 2200 ft above bridge, Allt Teanga Brideag
50k map sheet Mull (44)

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Map reference NM 5620 3130
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


S16549

Cross Polarized, S16549

Plane Polarized, S16549

Plane Polarized, S16549