BGS mineralogy and petrology collection record

Sample number S41571; S41571/A; S41571/B;
Sample Donor Lumsden,G.I.
Rock name 'Original entry: Coarse Accidental Tuff'
Stratigraphy Not entered
Comments Coarse accidental tuff
Locality details Archerbeck Bore No. 22, 280 yards N 4 deg W from W corner of Archerbeck Farm, Rowanburn, Canonbie, depth 4347 feet 3 inches
50k map sheet Langholm (11)

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Map reference NY 417 781
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


S41571

Cross Polarized, S41571

Plane Polarized, S41571

Plane Polarized, S41571


S41571/A

Cross Polarized, S41571/A

Plane Polarized, S41571/A

Plane Polarized, S41571/A


S41571/B

Cross Polarized, S41571/B

Plane Polarized, S41571/B

Plane Polarized, S41571/B