BGS mineralogy and petrology collection record

Sample number E66369; COLLNOWPR113;
Sample Donor Pratt, W.
Rock name Not entered
Stratigraphy Not entered
Comments Granophyre
Locality details 260 m WNW of Summit of Craig y llyn
50k map sheet Barmouth (149)

View images in GeoScenic related to 'Barmouth'

View a geological map near 'Barmouth'

Map reference SH 6572 1147
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


E66369

Cross Polarized, E66369

Plane Polarized, E66369

Plane Polarized, E66369