BGS mineralogy and petrology collection record
| Sample number | E54342; COLLNOBS84; |
|---|---|
| Sample Donor | Webb,B.C. |
| Rock name | 'Original entry: Tuff' |
| Stratigraphy | Not entered |
| Comments | Laminated welded tuff. |
| Locality details | At head of scree patch, 150 m. NW. of Ciom Silyn summit cairn. |
| 50k map sheet | Nefyn (118) |
| Map reference | SH 5247 5031 |
| 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
E54342
