BGS mineralogy and petrology collection record
| Sample number | E24535; COLLNOBN54; |
|---|---|
| Sample Donor | Bisson,G. |
| Rock name | Slate. 'Original entry: Slate' |
| Stratigraphy | Not entered |
| Comments | Probably occurs about 850 Ft. from W. portal. |
| Locality details | From dump at West end of Prewley Tunnel. |
| 50k map sheet | Okehampton (324) |
| Map reference | SX 549 909 |
| 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
E24535
