BGS mineralogy and petrology collection record
| Sample number | E21962 |
|---|---|
| Sample Donor | Shannon,W.G. |
| Rock name | Tuff. 'Original entry: Crystal Tuff' |
| Stratigraphy | Not entered |
| Comments | Not entered |
| Locality details | St. John |
| 50k map sheet | Plymouth (348) |
| Map reference | Not entered |
| 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
E21962
