BGS mineralogy and petrology collection record

Sample number S34367
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Lamprophyre (?Hornblende)'
Stratigraphy Not entered
Comments Lamprophyre (?hornblende), dyke (?age) ?LORS cf. S47403
Locality details In burn, 1330 yards S by E of cairn (shepherds), Pike Thaw Hill
50k map sheet Langholm (11)

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Map reference NY 37 96
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


S34367

Cross Polarized, S34367

Plane Polarized, S34367

Plane Polarized, S34367