BGS mineralogy and petrology collection record

Sample number E40593; COLLNOBL299;
Sample Donor Leveridge,B.E.
Rock name Not entered
Stratigraphy Not entered
Comments Crags
Locality details 520 yds NW of Trefriw Chalybeate Wells
50k map sheet Bangor (106)

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Map reference SH 7746 6560
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


E40593

Cross Polarized, E40593

Plane Polarized, E40593

Plane Polarized, E40593