BGS mineralogy and petrology collection record

Sample number E61583; COLLNOMH1497;
Sample Donor Howells,M.F.
Rock name Not entered
Stratigraphy Not entered
Comments Course acid tuff
Locality details S E of Llynnau Cregennan
50k map sheet Barmouth (149)

View images in GeoScenic related to 'Barmouth'

View a geological map near 'Barmouth'

Map reference SN 6735 1133
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


E61583

Cross Polarized, E61583

Plane Polarized, E61583

Plane Polarized, E61583