BGS mineralogy and petrology collection record

Sample number E63695; COLLNOKB695;
Sample Donor Not entered
Rock name Lapilli-Tuff. 'Original entry: Accretionary Lapilli Tuff'
Stratigraphy Not entered
Comments 35m SW of wall(GROUP= Nantmor Group)(FORM= Cwm Eigiau Fm.)(MEMB= .)(IE=E)(TEXTURE=Well bedded
Locality details Moel y Dyniewyd
50k map sheet Snowdon (119)

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Map reference SH 6462 4844
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


E63695

Cross Polarized, E63695

Plane Polarized, E63695

Plane Polarized, E63695