BGS mineralogy and petrology collection record
| Sample number | E23891; COLLNOBN35; |
|---|---|
| Sample Donor | Bisson,G. |
| Rock name | 'Original entry: Cordierite Biotite Hornfels With Volcanic Crystal Fragments' |
| Stratigraphy | Not entered |
| Comments | Not entered |
| Locality details | Prewley Tunnel. Dump at East end. |
| 50k map sheet | Okehampton (324) |
| Map reference | SX 556 912 |
| 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
E23891
