BGS mineralogy and petrology collection record
| Sample number | E38849; COLLNOMH209; |
|---|---|
| Sample Donor | Howells,M.F. |
| Rock name | 'Original entry: Tuff' |
| Stratigraphy | Not entered |
| Comments | Tuff ? Intrusive |
| Locality details | Allt-y-Coed. SSW Cwm, Dreiniog |
| 50k map sheet | Snowdon (119) |
| Map reference | SH 7440 5427 |
| 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
E38849
