BGS mineralogy and petrology collection record
| Sample number | E70109; COLLNOWP13A; |
|---|---|
| Sample Donor | Pratt, W. |
| Rock name | Not entered |
| Stratigraphy | Not entered |
| Comments | Tuff/tuffite. Llan. V Form. |
| Locality details | 800 m at 351 deg from Gilfach Farm. Crag |
| 50k map sheet | Builth (196) |
| Map reference | SN 8804 4952 |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |