BGS mineralogy and petrology collection record
| Sample number | E54906; COLLNORN466; |
|---|---|
| Sample Donor | Reedman,A.J. |
| Rock name | 'Original entry: Tuff' |
| Stratigraphy | Not entered |
| Comments | Ash flow tuff, Avonian |
| Locality details | 60 m. N of Bulch Gwyn |
| 50k map sheet | Caernarfon (105) |
| Map reference | SH 4730 7300 |
| 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
E54906
