BGS mineralogy and petrology collection record

Sample number S20803
Sample Donor Bailey, E.B.
Rock name 'Original entry: Tholeiite'
Stratigraphy Not entered
Comments Undoubted Tertiary dyke; compare with those further SW
Locality details S coast of Samalan Island
50k map sheet Iona (43)

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Map reference NM 4522 3640
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


S20803

Cross Polarized, S20803

Plane Polarized, S20803

Plane Polarized, S20803