BGS mineralogy and petrology collection record

Sample number S17217
Sample Donor Clough, C.T.
Rock name 'Original entry: Porphyritic Andesite'
Stratigraphy Not entered
Comments Probably part of a screen, next Glenmore Gabbro; same as S. 16523-16525
Locality details 3100 ft WNW of Creag na h-Iolaire
50k map sheet Mull (44)

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Map reference NM 6024 2963
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


S17217

Cross Polarized, S17217

Plane Polarized, S17217

Plane Polarized, S17217