BGS mineralogy and petrology collection record
| Sample number | E23881; COLLNOBN25; |
|---|---|
| Sample Donor | Bisson,G. |
| Rock name | 'Original entry: Quartz Chlorite Na Feldspar Rock (Silicified Granite Stringer)' |
| Stratigraphy | Not entered |
| Comments | Granitic intrusion. |
| Locality details | Prewley Tunnel. At E. portal. |
| 50k map sheet | Okehampton (324) |
| Map reference | SX 553 907 |
| 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
E23881
