BGS mineralogy and petrology collection record

Sample number E67025; COLLNOWPR333;
Sample Donor Pratt, W.
Rock name 'Original entry: Tuff'
Stratigraphy Not entered
Comments Arthog Formation. Tuff
Locality details 420 m at 013 deg from Bodowen
50k map sheet Barmouth (149)

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View the geology near 'Barmouth'

Map reference SH 5869 0594
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


E67025

Cross Polarized, E67025

Plane Polarized, E67025

Plane Polarized, E67025