BGS mineralogy and petrology collection record
| Sample number | E7722; COLLNO20; |
|---|---|
| Sample Donor | Usher,W.A.E. |
| Rock name | Not entered |
| Stratigraphy | Not entered |
| Comments | Not entered |
| Locality details | Aller, N of Dunsford |
| 50k map sheet | Exeter (325) |
| Map reference | SX 816 923 |
| 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
E7722
