BGS mineralogy and petrology collection record

Sample number S41560; S41560/A; S41560/B;
Sample Donor Lumsden,G.I.
Rock name 'Original entry: Banded Siltstone'
Stratigraphy Not entered
Comments Banded siltstone
Locality details Archerbeck Bore No. 22, 280 yards N 4 deg W from W corner of Archerbeck Farm, Rowanburn, Canonbie, depth 2175 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


S41560

Cross Polarized, S41560

Plane Polarized, S41560

Plane Polarized, S41560


S41560/A

Cross Polarized, S41560/A

Plane Polarized, S41560/A

Plane Polarized, S41560/A


S41560/B

Cross Polarized, S41560/B

Plane Polarized, S41560/B

Plane Polarized, S41560/B