BGS mineralogy and petrology collection record

Sample number S41570
Sample Donor Lumsden,G.I.
Rock name 'Original entry: Crystal Tuff'
Stratigraphy Not entered
Comments Crystal tuff
Locality details Archerbeck Bore No. 22, 280 yards N 4 deg W from W corner of Archerbeck Farm, Rowanburn, Canonbie, depth 4347 feet
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


S41570

Cross Polarized, S41570

Plane Polarized, S41570

Plane Polarized, S41570