BGS mineralogy and petrology collection record

Sample number S6806
Sample Donor Harker, Alfred
Rock name 'Original entry: Porphyritic Basalt'
Stratigraphy Not entered
Comments Dyke cutting lavas
Locality details Crossing ridge of Beinn na Cro at 1100 ft altitude
50k map sheet Glenelg (71)

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Map reference NG 574 252
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


S6806

Cross Polarized, S6806

Plane Polarized, S6806

Plane Polarized, S6806