BGS mineralogy and petrology collection record

Sample number E13374; COLLNOL8;
Sample Donor Matley, C.A
Rock name 'Original entry: Spilite Basalt'
Stratigraphy Not entered
Comments Geona beds. Spilitic rock with fragments.
Locality details Penrhyn Cwm Istir.
50k map sheet Nefyn (118)

View images in GeoScenic related to 'Nefyn'

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


E13374

Cross Polarized, E13374

Plane Polarized, E13374

Plane Polarized, E13374