BGS mineralogy and petrology collection record

Sample number S34381
Sample Donor Macgregor,A.G.
Rock name 'Original entry: Acid Porphyrite'
Stratigraphy Not entered
Comments Acid porphyrite, dyke (L.O. Red)
Locality details 500 yards W 10 deg N of Harefaulds
50k map sheet Kelso (25)

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Map reference NT 571 501
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


S34381

Cross Polarized, S34381

Plane Polarized, S34381

Plane Polarized, S34381