BGS mineralogy and petrology collection record

Sample number S45623; COLLNOYT94;
Sample Donor Howells,M.F.
Rock name Not entered
Stratigraphy Not entered
Comments Greywacke
Locality details Deep Gill, 1 mile W 40 deg S of Twislehope
50k map sheet Langholm (11)

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Map reference NY 434 951
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


S45623

Cross Polarized, S45623

Plane Polarized, S45623

Plane Polarized, S45623