BGS mineralogy and petrology collection record

Sample number S28040
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Fine-Grained Semi-Psammite'
Stratigraphy Not entered
Comments Fine-grained semi-psammite; this type occurs as bands in injected pelite
Locality details 825 yds N of bridge at Brunery
50k map sheet Tobermory (52)

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Map reference NM 7288 7261
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


S28040

Cross Polarized, S28040

Plane Polarized, S28040

Plane Polarized, S28040