BGS mineralogy and petrology collection record

Sample number E18114; COLLNOM231;
Sample Donor Matley, C.A
Rock name Slate. 'Original entry: Slate'
Stratigraphy Not entered
Comments Penrhoe Shale
Locality details Pen-y-Foel; Tunnel no. 2
50k map sheet Snowdon (119)

View images in GeoScenic related to 'Snowdon'

Map reference Not entered
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


E18114

Cross Polarized, E18114

Plane Polarized, E18114

Plane Polarized, E18114