BGS mineralogy and petrology collection record

Sample number S32691
Sample Donor Macgregor,A.G.
Rock name Not entered
Stratigraphy Not entered
Comments Sediment fragment from tuff (vent), Lower Carboniferous age
Locality details 350 yards W 20 deg N of Girrick
50k map sheet Kelso (25)

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Map reference NT 666 380
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


S32691

Cross Polarized, S32691

Plane Polarized, S32691

Plane Polarized, S32691