BGS mineralogy and petrology collection record

Sample number E62639; E62639/A; E62639/B; COLLNOMH1601;
Sample Donor Howells,M.F.
Rock name Basaltic-Rock. 'Original entry: Basic Rock'
Stratigraphy Not entered
Comments Basic clastic.
Locality details E. of Tyddyn Mawr.
50k map sheet Barmouth (149)

View images in GeoScenic related to 'Barmouth'

View a geological map near 'Barmouth'

Map reference SH 7059 1540
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


E62639/A

Cross Polarized, E62639/A

Plane Polarized, E62639/A

Plane Polarized, E62639/A


E62639/B

Cross Polarized, E62639/B

Plane Polarized, E62639/B

Plane Polarized, E62639/B