BGS mineralogy and petrology collection record

Sample number S30690; COLLNOAM4;
Sample Donor Macgregor,A.G.
Rock name 'Original entry: ?Trachyitic Ash'
Stratigraphy Not entered
Comments Not entered
Locality details Old quarry, Bangly Braehead, 700 yds N 10 deg E of Huntington
50k map sheet Haddington (33)

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Map reference NT 4870 7547
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


S30690

Cross Polarized, S30690

Plane Polarized, S30690

Plane Polarized, S30690