BGS mineralogy and petrology collection record

Sample number E54336; COLLNOBS73;
Sample Donor Webb,B.C.
Rock name 'Original entry: Sandstone'
Stratigraphy Not entered
Comments Slate with sandstone injections.
Locality details 5 m. NE. of adit mouth in the SE. face of Twll Pen y Bryn, Pen yr Orsedd Quarries.
50k map sheet Nefyn (118)

View images in GeoScenic related to 'Nefyn'

View the geology near 'Nefyn'

Map reference SH 5045 5385
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


E54336

Cross Polarized, E54336

Plane Polarized, E54336

Plane Polarized, E54336