BGS mineralogy and petrology collection record

Sample number E61588; COLLNOMH1502;
Sample Donor Howells,M.F.
Rock name Not entered
Stratigraphy Not entered
Comments Basalt/dolerite ?
Locality details Gwernan Valley
50k map sheet Barmouth (149)

View images in GeoScenic related to 'Barmouth'

View a geological map near 'Barmouth'

Map reference SN 6835 1146
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


E61588

Cross Polarized, E61588

Plane Polarized, E61588

Plane Polarized, E61588