BGS mineralogy and petrology collection record
| Sample number | E11945 |
|---|---|
| Sample Donor | Road Board |
| Rock name | Rhyolite. 'Original entry: Rhyolite' |
| Stratigraphy | Not entered |
| Comments | Not entered |
| Locality details | Rhiwgoch Silica Qry. & Mine, Blaneau Ffestiniog |
| 50k map sheet | Snowdon (119) |
| Map reference | |
| 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
E11945
