BGS mineralogy and petrology collection record
| Sample number | E54337; COLLNOBS74; |
|---|---|
| Sample Donor | Webb,B.C. |
| Rock name | 'Original entry: Slate' |
| Stratigraphy | Not entered |
| Comments | Slate. |
| 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) |
| 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
E54337
