BGS mineralogy and petrology collection record

Sample number S20867
Sample Donor Burnett, G.
Rock name 'Original entry: Tholeiite'
Stratigraphy Not entered
Comments Brunton type
Locality details 2150 ft N of Geasgill Beag
50k map sheet Iona (43)

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Map reference NM 4286 3803
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


S20867

Cross Polarized, S20867

Plane Polarized, S20867

Plane Polarized, S20867