BGS mineralogy and petrology collection record

Sample number E67026; COLLNOWPR335;
Sample Donor Pratt, W.
Rock name 'Original entry: Tuff'
Stratigraphy Not entered
Comments Ty'r Gawen Formation. Mst./Tuff
Locality details 710 m at 022 deg from Bodowen
50k map sheet Barmouth (149)

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Map reference SH 5884 0620
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


E67026

Cross Polarized, E67026

Plane Polarized, E67026

Plane Polarized, E67026