BGS mineralogy and petrology collection record
| Sample number | E649; MR757; |
|---|---|
| Sample Donor | Museum Specimens |
| Rock name | 'Original entry: Feldspathic Tuff' |
| Stratigraphy | Not entered |
| Comments | Not entered |
| Locality details | Disgwylfa Hill, 3 ml N of Bishop Castle |
| 50k map sheet | Montgomery (165) |
| Map reference | SO 326 935 |
| 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
E649
