BGS mineralogy and petrology collection record
| Sample number | E46336; COLLNOBP39; |
|---|---|
| Sample Donor | Lowe,D.J. |
| Rock name | 'Original entry: Tuff' |
| Stratigraphy | Not entered |
| Comments | Crystal tuff, Ordovician |
| Locality details | Crag above river, 690 m at 092 deg from Allt Lwyd |
| 50k map sheet | Harlech (135) |
| Map reference | SH 8045 2887 |
| 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
E46336
