BGS mineralogy and petrology collection record
| Sample number | E6947; NEG642M; |
|---|---|
| Sample Donor | Usher,W.A.E. |
| Rock name | Rhyolite. 'Original entry: Elvan' |
| Stratigraphy | Not entered |
| Comments | Micropegmatite phenocrysts. Zincblende, feldspar, micaceous. |
| Locality details | Quarry near Brannel. |
| 50k map sheet | Bodmin (347) |
| Map reference | SW 956 517 |
| 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
E6947
