BGS mineralogy and petrology collection record

Sample number E39288; COLLNOMH274;
Sample Donor Howells,M.F.
Rock name 'Original entry: Tuff'
Stratigraphy Not entered
Comments Tuff Unit, Lower Crafnant Volvanic Series
Locality details S side of Moel Siabod
50k map sheet Snowdon (119)

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Map reference SH 7190 5380
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


E39288

Cross Polarized, E39288

Plane Polarized, E39288

Plane Polarized, E39288