BGS mineralogy and petrology collection record

Sample number S28466
Sample Donor Macgregor,A.G.
Rock name 'Original entry: ?Tholeiite'
Stratigraphy Not entered
Comments 6 ft W 25 deg N dolerite dyke; ?tholeiite
Locality details Allt a' Mhuilinn 365 yds above Ranachan
50k map sheet Tobermory (52)

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Map reference NM 7901 6173
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


S28466

Cross Polarized, S28466

Plane Polarized, S28466

Plane Polarized, S28466