BGS mineralogy and petrology collection record

Sample number S18889
Sample Donor Bailey, E.B.; Tait,D.;
Rock name 'Original entry: Porphyritic Augite Andesite'
Stratigraphy Not entered
Comments cf. Derrynaculan type; (non-variolitic) Central type; Memoir, pp. 132, 148
Locality details No.14 lava, Beinn Bhearnach Lava Suite
50k map sheet Mull (44)

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Map reference NM 6573 3444
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


S18889

Cross Polarized, S18889

Plane Polarized, S18889

Plane Polarized, S18889