BGS mineralogy and petrology collection record

Sample number S18960
Sample Donor Bailey, E.B.; Tait,D.;
Rock name 'Original entry: Porphyritic Augite Andesite'
Stratigraphy Not entered
Comments With a granular base and highly vesicular; may be related to Pillow-lava Type; Central type; Memoir, pp. 104, 148
Locality details No. 10 lava, nearly 0.5 mile N of summit of Beinn nan Gobhar
50k map sheet Mull (44)

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Map reference NM 5794 2542
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


S18960

Cross Polarized, S18960

Plane Polarized, S18960

Plane Polarized, S18960