BGS mineralogy and petrology collection record
| Sample number | E67074; COLLNOWPR127B; |
|---|---|
| Sample Donor | Pratt, W. |
| Rock name | 'Original entry: Tuff' |
| Stratigraphy | Not entered |
| Comments | Arthog Formation. Tuff |
| Locality details | 790 m at 309 deg from Pen y Wen |
| 50k map sheet | Barmouth (149) |
| Map reference | SH 5767 0391 |
| 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
E67074
