BGS mineralogy and petrology collection record
| Sample number | E63173; COLLNOKB173; |
|---|---|
| Sample Donor | Not entered |
| Rock name | Rhyolite. 'Original entry: Rhyolite' |
| Stratigraphy | Not entered |
| Comments | Lowest rhyolite of the Llewelyn Volc. Gp.(GROUP= Llewelyn Volcanic Group)(FORM= Braich tu du Volc. Fm.)(MEMB= .)(IE=E)(TEXTURE= |
| Locality details | Braich tu du type section |
| 50k map sheet | Bangor (106) |
| Map reference | SH 6490 6220 |
| 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
E63173
