BGS mineralogy and petrology collection record
| Sample number | S21638 |
|---|---|
| Sample Donor | Simpson,J.B. |
| Rock name | 'Original entry: Grey Gneiss' |
| Stratigraphy | Not entered |
| Comments | Grey igneous gneiss, varying types |
| Locality details | On shore, beside An Dun |
| 50k map sheet | Tiree (42) |
| Map reference | NL 9363 4124 |
| 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
S21638
