BGS mineralogy and petrology collection record

Sample number S41585
Sample Donor Lumsden,G.I.
Rock name 'Original entry: Tuffaceous Calcisiltite'
Stratigraphy Not entered
Comments Tuffaceous calcisiltite
Locality details Archerbeck Bore No. 22, 280 yards N 4 deg W from W corner of Archerbeck Farm, Rowanburn, Canonbie, depth 4382 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


S41585

Cross Polarized, S41585

Plane Polarized, S41585

Plane Polarized, S41585