BGS mineralogy and petrology collection record

Sample number E66220; COLLNOWPR69;
Sample Donor Pratt, W.
Rock name Tuff. 'Original entry: Tuff'
Stratigraphy Not entered
Comments Not entered
Locality details 270 m. NNW. of Cairn at summit of Craig Cwm Amarch.
50k map sheet Barmouth (149)

View images in GeoScenic related to 'Barmouth'

View a geological map near 'Barmouth'

Map reference SH 7093 1240
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, E66220

Plane Polarized, E66220

Plane Polarized, E66220