BGS mineralogy and petrology collection record

Sample number E61580; COLLNOMH1494;
Sample Donor Howells,M.F.
Rock name Not entered
Stratigraphy Not entered
Comments ? Basalt
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 6682 1131
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


E61580

Cross Polarized, E61580

Plane Polarized, E61580

Plane Polarized, E61580