BGS mineralogy and petrology collection record

Sample number S49275; COLLNOYT61;
Sample Donor Howells,M.F.
Rock name 'Original entry: Graptolite Shale'
Stratigraphy Not entered
Comments Graptolite shale, greywacke
Locality details Byrecleuch Burn, 120 yards junction Allery Syke
50k map sheet Langholm (11)

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Map reference NY 420 930
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


S49275

Cross Polarized, S49275

Plane Polarized, S49275

Plane Polarized, S49275