BGS mineralogy and petrology collection record
| Sample number | E38686; COLLNOBL158; |
|---|---|
| Sample Donor | Leveridge,B.E. |
| Rock name | 'Original entry: Rhyolite' |
| Stratigraphy | Not entered |
| Comments | Massive columnar jointed part of rhyolitic intrusion |
| Locality details | W side of Carreg Alltrem; 15ft above exposure |
| 50k map sheet | Snowdon (119) |
| Map reference | SH 7395 5067 |
| 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
E38686
