BGS mineralogy and petrology collection record
| Sample number | E17978; COLLNOK4; |
|---|---|
| Sample Donor | Dines,H.G. |
| Rock name | 'Original entry: Tourmalinised Siltstone' |
| Stratigraphy | Not entered |
| Comments | Altered clay-slate country rock. |
| Locality details | Castle-an-Dinas, St. Columb Major. |
| 50k map sheet | Bodmin (347) |
| 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
E17978
