BGS mineralogy and petrology collection record
| Sample number | E61953; COLLNOMH1554; |
|---|---|
| Sample Donor | Howells,M.F. |
| Rock name | Tuffite. |
| Stratigraphy | Not entered |
| Comments | Blue grey silty tuff, acid |
| Locality details | Mynydd Pencoed |
| 50k map sheet | Barmouth (149) |
| Map reference | SN 6952 1115 |
| 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
E61953
