BGS mineralogy and petrology collection record

Sample number S20826
Sample Donor Bailey, E.B.
Rock name 'Original entry: Acid Feldspathic Gneiss'
Stratigraphy Not entered
Comments Late acid gneiss
Locality details Eilean Liath, Tiree
50k map sheet Iona (43)

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Map reference NM 0967 4814
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


S20826

Cross Polarized, S20826

Plane Polarized, S20826

Plane Polarized, S20826