BGS mineralogy and petrology collection record
| Sample number | E54440; COLLNOFU12; |
|---|---|
| Sample Donor | Fletcher, Chris J.N |
| Rock name | 'Original entry: Tuffaceous Siltstone' |
| Stratigraphy | Not entered |
| Comments | Tuffaceous silt. Tryfan Gp. |
| Locality details | 200 m 300 deg from Chapel in Cilgwyn |
| 50k map sheet | Nefyn (118) |
| Map reference | SH 4961 5437 |
| 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
E54440
