BGS mineralogy and petrology collection record

Sample number E61638; COLLNOMH1552;
Sample Donor Howells,M.F.
Rock name Basaltic-Rock.
Stratigraphy Not entered
Comments Basaltic ?, Contact alteration
Locality details E of Tyran Mawr
50k map sheet Barmouth (149)

View images in GeoScenic related to 'Barmouth'

View a geological map near 'Barmouth'

Map reference SN 6908 1134
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


E61638

Cross Polarized, E61638

Plane Polarized, E61638

Plane Polarized, E61638