BGS mineralogy and petrology collection record
| Sample number | S30389; COLLNOTR149; |
|---|---|
| Sample Donor | Robertson,T. |
| Rock name | 'Original entry: Muscovite-Biotite Gneiss, Diaphthoretic' |
| Stratigraphy | Not entered |
| Comments | Gneiss , ?sillimanite; ?a pelitic schist injected by Na-SiO2, then retrograded |
| Locality details | S5. Millsie Geo, 570 yds WSW of Skaw Taing, Whalsay |
| 50k map sheet | Central Shetland (128) |
| Map reference | HU 604 666 |
| 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
S30389
