BGS mineralogy and petrology collection record

Sample number S2694; S2694/a;
Sample Donor Geikie,A.
Rock name 'Original entry: Spherulitic Tachylite'
Stratigraphy Not entered
Comments From edge of basalt dyke; dolerite and spherulitic tachylite
Locality details W of Mingary Castle
50k map sheet Tobermory (52)

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Map reference NM 5024 6312
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


S2694

Cross Polarized, S2694

Plane Polarized, S2694

Plane Polarized, S2694


S2694/a

Cross Polarized, S2694/a

Plane Polarized, S2694/a

Plane Polarized, S2694/a