BGS mineralogy and petrology collection record

Sample number E63519; COLLNOKB519;
Sample Donor Not entered
Rock name Tuff. 'Original entry: Acid Ash Flow Tuff'
Stratigraphy Not entered
Comments (GROUP= Nantmor Group)(FORM= Pitts Head Tuff Fm.)(MEMB= Llwyd Mawr Tuff.)(IE=E)(TEXTURE=Welded
Locality details Llwyd Mawr
50k map sheet Snowdon (119)

View images in GeoScenic related to 'Snowdon'

View a geological map near 'Snowdon'

Map reference SH 518 443
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


Cross Polarized, E63519

Plane Polarized, E63519

Plane Polarized, E63519