BGS mineralogy and petrology collection record

Sample number S32690
Sample Donor Macgregor,A.G.
Rock name Not entered
Stratigraphy Not entered
Comments ?Altered basalt in trachyte, Lower Carboniferous age
Locality details Old quarry 1600 yards W 33 deg N of Lempitlaw
50k map sheet Berwick-upon-Tweed (26)

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Map reference NT 775 327
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


S32690

Cross Polarized, S32690

Plane Polarized, S32690

Plane Polarized, S32690