BGS mineralogy and petrology collection record
| Sample number | E54348; COLLNOBS90; |
|---|---|
| Sample Donor | Webb,B.C. |
| Rock name | 'Original entry: Tuff' |
| Stratigraphy | Not entered |
| Comments | Cleaved lappili tuff. |
| Locality details | 180 m.W. of small lake on W. side of Ciom Silyn. |
| 50k map sheet | Nefyn (118) |
| Map reference | SH 5108 5041 |
| 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
E54348
