BGS mineralogy and petrology collection record

Sample number E61573; COLLNOMH1487;
Sample Donor Howells,M.F.
Rock name Not entered
Stratigraphy Not entered
Comments Tuff, basic
Locality details N E of Llyn Cyri
50k map sheet Barmouth (149)

View images in GeoScenic related to 'Barmouth'

View a geological map near 'Barmouth'

Map reference SN 6692 1129
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


E61573

Cross Polarized, E61573

Plane Polarized, E61573

Plane Polarized, E61573