BGS mineralogy and petrology collection record
| Sample number | E491 |
|---|---|
| Sample Donor | Ramsey,Professor |
| Rock name | Rhyolite. 'Original entry: Rhyolite' |
| Stratigraphy | Not entered |
| Comments | Not entered |
| Locality details | Llanberis Pass, 200 yds higher up than Pass of Pont y Cromleck |
| 50k map sheet | Bangor (106) |
| 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
E491
