BGS mineralogy and petrology collection record

Sample number S26283
Sample Donor Presentation to BGS
Rock name 'Original entry: Alkali-Syenite'
Stratigraphy Not entered
Comments Segregation in Tertiary crinanite sill
Locality details Extremity of Eilean Mhuire, Shiant Is, 25 ft above HWM
50k map sheet Shieldinish ? (99)

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Map reference NG 438 982
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


S26283

Cross Polarized, S26283

Plane Polarized, S26283

Plane Polarized, S26283