BGS mineralogy and petrology collection record
| Sample number | S29271 |
|---|---|
| Sample Donor | Allan,J.K. |
| Rock name | 'Original entry: Garnetiferous Muscovite-Biotite-Oligoclase Gneiss' |
| Stratigraphy | Not entered |
| Comments | Massive fairly coarse muscovite-biotite gneiss, scattered garnets |
| Locality details | Rock knoll 50 yds N from Gloup Loch |
| 50k map sheet | Unst (131) |
| Map reference | HP 515 037 |
| 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
S29271
