BGS mineralogy and petrology collection record

Sample number S28464
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Basalt Or Dolerite'
Stratigraphy Not entered
Comments 4 ft N 30 deg W basalt or dolerite dyke cuts Strontian granodiorite
Locality details Allt a' Mhuilinn 550 yds above Ranachan
50k map sheet Tobermory (52)

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Map reference NM 7908 6189
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


S28464

Cross Polarized, S28464

Plane Polarized, S28464

Plane Polarized, S28464