BGS mineralogy and petrology collection record

Sample number E66359; COLLNOWPR103;
Sample Donor Pratt, W.
Rock name Not entered
Stratigraphy Not entered
Comments Dolerite
Locality details 330 m NNW of Kings Youth Hostel
50k map sheet Barmouth (149)

View images in GeoScenic related to 'Barmouth'

View a geological map near 'Barmouth'

Map reference SH 6827 1633
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


E66359

Cross Polarized, E66359

Plane Polarized, E66359

Plane Polarized, E66359