BGS mineralogy and petrology collection record
| Sample number | E66217; COLLNOWPR66; |
|---|---|
| Sample Donor | Pratt, W. |
| Rock name | Tuff. 'Original entry: Tuff' |
| Stratigraphy | Not entered |
| Comments | Upper Acid Group. |
| Locality details | 330 m. NW. of cairn at summit of Craig Cwm Amarch. |
| 50k map sheet | Barmouth (149) |
| Map reference | SH 7078 1229 |
| 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
E66217
