BGS mineralogy and petrology collection record

Sample number E64204; COLLNOKB1204;
Sample Donor Not entered
Rock name Tuff. 'Original entry: Acid Tuff'
Stratigraphy Not entered
Comments 25m below top of unit, 150m NE of Llwynyrhwch(GROUP= )(FORM= Nant Ffrancon Fm.)(MEMB= Clogwyn Gottal Tuff.)(IE=E)(TEXTURE=
Locality details Nanat gwynant
50k map sheet Snowdon (119)

View images in GeoScenic related to 'Snowdon'

View a geological map near 'Snowdon'

Map reference SH 6383 4902
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, E64204

Plane Polarized, E64204

Plane Polarized, E64204