BGS mineralogy and petrology collection record

Sample number S41591
Sample Donor Lumsden,G.I.
Rock name 'Original entry: Fine-Grained Calc. Crystal-Lithic Tuff'
Stratigraphy Not entered
Comments Fine-grained calc. crystal-lithic tuff
Locality details Archerbeck Bore No. 22, 280 yards N 4 deg W from W corner of Archerbeck Farm, Rowanburn, Canonbie, depth 4395 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


S41591

Cross Polarized, S41591

Plane Polarized, S41591

Plane Polarized, S41591