BGS mineralogy and petrology collection record

Sample number S17191
Sample Donor Clough, C.T.
Rock name 'Original entry: Altered Augite Andesite'
Stratigraphy Not entered
Comments Probably lava, quite vesicular
Locality details 3450 ft slightly S of E of Craig
50k map sheet Mull (44)

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Map reference NM 5952 2940
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


S17191

Cross Polarized, S17191

Plane Polarized, S17191

Plane Polarized, S17191