BGS mineralogy and petrology collection record

Sample number E63631; COLLNOKB631;
Sample Donor Not entered
Rock name Tuff. 'Original entry: Acid Ash Flow Tuff'
Stratigraphy Not entered
Comments 120m above base. Same locality as KB632(GROUP= Nantmor Group)(FORM= Pitts Head Tuff Fm.)(MEMB= Llwyd Mawr Tuff.)(IE=E)(TEXTURE=Welded
Locality details NW of Cae Amos
50k map sheet Nefyn (118)

View images in GeoScenic related to 'Nefyn'

View a geological map near 'Nefyn'

Map reference SH 5138 4570
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, E63631

Plane Polarized, E63631

Plane Polarized, E63631