BGS mineralogy and petrology collection record
| Sample number | S28155 |
|---|---|
| Sample Donor | Read, H.H. |
| Rock name | 'Original entry: Microtonalite' |
| Stratigraphy | Not entered |
| Comments | Green sill; tonalite lamprophyre |
| Locality details | Silva Geo, Wick of Collaster |
| 50k map sheet | Unst (131) |
| Map reference | HP 575 072 |
| 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
S28155
