BGS mineralogy and petrology collection record
| Sample number | E54447; COLLNOFU20; |
|---|---|
| Sample Donor | Fletcher, Chris J.N |
| Rock name | Sandstone (Undifferentiated). 'Original entry: Sandstone' |
| Stratigraphy | Not entered |
| Comments | Coarse grained sandstone. Tryfan Group. |
| Locality details | 335 m. at 009 deg. from summit of Cilgwyn. |
| 50k map sheet | Nefyn (118) |
| Map reference | SJ -501 5462 |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |