BGS mineralogy and petrology collection record
| Sample number | E551; MR785; |
|---|---|
| Sample Donor | Not entered |
| Rock name | 'Original entry: Feldspathic Tuff' |
| Stratigraphy | Not entered |
| Comments | Arenig and Llandeilo of Radnor. With pyrite concretions. 309/41, B/114 |
| Locality details | Gwennyfid Rocks, Wye, nr. Builth, Radnorshire |
| 50k map sheet | Builth (196) |
| Map reference | SO 04 50 |
| 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
E551
