BGS mineralogy and petrology collection record
| Sample number | S29274 |
|---|---|
| Sample Donor | Allan,J.K. |
| Rock name | 'Original entry: Biotite-Oligoclase Gneiss' |
| Stratigraphy | Not entered |
| Comments | Coarse gneiss, may be injected with granitic material; recrystallised semipelite |
| Locality details | Burn of Hildigill, 290 yds E from sheepfold |
| 50k map sheet | Unst (131) |
| Map reference | HP 509 030 |
| 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
S29274
