BGS mineralogy and petrology collection record
| Sample number | E68274; COLLNOWP239; |
|---|---|
| Sample Donor | Pratt, W. |
| Rock name | Not entered |
| Stratigraphy | Not entered |
| Comments | Tuffite. LVF. |
| Locality details | 640 m at 247 deg from Bwlchmawr Farm |
| 50k map sheet | Builth (196) |
| Map reference | SN 8873 5060 |
| 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
E68274
