BGS mineralogy and petrology collection record
| Sample number | E18380 |
|---|---|
| Sample Donor | Jones,T.G. |
| Rock name | 'Original entry: Volcanic Rock' |
| Stratigraphy | Not entered |
| Comments | ? Keratophyre |
| Locality details | Pengwern and Gwydyr Qrys. Gwydyr, Trefriw |
| 50k map sheet | Bangor (106) |
| Map reference | |
| Year collected | 1 |
| Bore name | Not applicable |
| Confidentiality | No restrictions |
Petrological thin sections
Links to high resolution images
Transition from XPL to PPL light
E18380
