BGS mineralogy and petrology collection record

Sample number E41026; COLLNOMH500;
Sample Donor Howells,M.F.
Rock name Not entered
Stratigraphy Not entered
Comments Crystal tuff, pummice clasts.
Locality details 1/3 ml SW of Dam, Llyn Cowlyd
50k map sheet Bangor (106)

View images in GeoScenic related to 'Bangor'

View a geological map near 'Bangor'

Map reference SH 7445 6295
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


E41026

Cross Polarized, E41026

Plane Polarized, E41026

Plane Polarized, E41026