BGS mineralogy and petrology collection record
| Sample number | E567; MR743; |
|---|---|
| Sample Donor | Not entered |
| Rock name | 'Original entry: Hornblende Dolerite' |
| Stratigraphy | Not entered |
| Comments | Rocks intrusive into Arenig and Llandeilo of N Wales. 229/41, B/35. |
| Locality details | Bwlch-yr-Hendref, Merionethshire |
| 50k map sheet | Barmouth (149) |
| Map reference | SH 647 139 |
| 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
E567
