BGS mineralogy and petrology collection record

Sample number S18891
Sample Donor Bailey, E.B.; Tait,D.;
Rock name 'Original entry: Feldspar-Porphyritic Basalt'
Stratigraphy Not entered
Comments Sub variolitic base, lines of smash with cataclastic structure; Central type; Memoir, p. 132
Locality details No.16 lava, Beinn Bhearnach Lava Suite
50k map sheet Mull (44)

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Map reference NM 6566 3439
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


S18891

Cross Polarized, S18891

Plane Polarized, S18891

Plane Polarized, S18891