BGS mineralogy and petrology collection record
| Sample number | E62825; COLLNOEE18; |
|---|---|
| Sample Donor | Pratt, W. |
| Rock name | Not entered |
| Stratigraphy | Not entered |
| Comments | Vitroclastic tuff; unwelded. Craig Llan Form. |
| Locality details | Small crag beside derelict barn |
| 50k map sheet | Barmouth (149) |
| Map reference | SH 7566 1492 |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |