BGS mineralogy and petrology collection record

Sample number E39557; COLLNOMH246;
Sample Donor Howells,M.F.
Rock name 'Original entry: Tuff'
Stratigraphy Not entered
Comments Intrusive tuff
Locality details Pigyn Esgob
50k map sheet Snowdon (119)

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Map reference SH 7640 5080
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


E39557

Cross Polarized, E39557

Plane Polarized, E39557

Plane Polarized, E39557