BGS mineralogy and petrology collection record

Sample number S49152; COLLNOYY8;
Sample Donor Collins,G.H.
Rock name 'Original entry: Amygdaloidal Ophitic Olivine Basalt (Cf. Jedburgh Type)'
Stratigraphy Not entered
Comments Amygdaloidal ophitic olivine basalt (cf. Jedburgh type), vesicular basalt, "calcite" filled (coarse)
Locality details Tweedenhead Quarry, 4000 yards E 8 deg S of Newcastleton railway station
50k map sheet Langholm (11)

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Map reference NY 518 872
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


S49152

Cross Polarized, S49152

Plane Polarized, S49152

Plane Polarized, S49152