BGS mineralogy and petrology collection record
| Sample number | E66216; COLLNOWPR65; |
|---|---|
| Sample Donor | Pratt, W. |
| Rock name | Tuff. 'Original entry: Tuff' |
| Stratigraphy | Not entered |
| Comments | Upper Acid Group. |
| Locality details | 500 m. NW. of spot height 766 m. (Craig Cwm Amarch). |
| 50k map sheet | Barmouth (149) |
| Map reference | SH 7016 1212 |
| 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
E66216
