BGS mineralogy and petrology collection record

Sample number E40864; COLLNOKS398;
Sample Donor Siddiqui,K.S.
Rock name Not entered
Stratigraphy Not entered
Comments Not entered
Locality details 1150 m due N of Pont Borthwnog
50k map sheet Harlech (135)

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Map reference SH 6897 2025
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


E40864

Cross Polarized, E40864

Plane Polarized, E40864

Plane Polarized, E40864