BGS mineralogy and petrology collection record
| Sample number | S31140 |
|---|---|
| Sample Donor | Wilson, George Victor |
| Rock name | 'Original entry: Biotite Tonalite, Fine-Grained' |
| Stratigraphy | Not entered |
| Comments | Diorite |
| Locality details | Coast 0.33 mile NNW of Culswick Broch |
| 50k map sheet | Foula (125) |
| Map reference | HU 251 453 |
| 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
S31140
