BGS mineralogy and petrology collection record
| Sample number | E54586; E54586/A; E54586/B; COLLNORN399; |
|---|---|
| Sample Donor | Reedman,A.J. |
| Rock name | Not entered |
| Stratigraphy | Not entered |
| Comments | Intermediate crystal tuff or tuffite. Conway Rhyolite Formation (Caradoc) |
| Locality details | 850 m 020 deg from SUMMIT OF BERA MAWR |
| 50k map sheet | Bangor (106) |
| Map reference | SH 6773 6924 |
| 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
E54586/A
E54586/B
