BGS mineralogy and petrology collection record

Sample number E61121; COLLNOMH1472;
Sample Donor Howells,M.F.
Rock name Tuff, Metamorphosed. 'Original entry: Basic Tuff'
Stratigraphy Not entered
Comments Basic; clastic
Locality details C. 1 km SW of Haffotty Fach
50k map sheet Barmouth (149)

View images in GeoScenic related to 'Barmouth'

View a geological map near 'Barmouth'

Map reference SH 6511 1291
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


Cross Polarized, E61121

Plane Polarized, E61121

Plane Polarized, E61121