BGS mineralogy and petrology collection record
| Sample number | S28343 |
|---|---|
| Sample Donor | Allan,J.K. |
| Rock name | 'Original entry: Garnetiferous Muscovite-Biotite-Oligoclase Porphyroblastic Gneiss' |
| Stratigraphy | Not entered |
| Comments | Garnetiferous muscovite-biotite-oligoclase porphyroblastic gneiss |
| Locality details | 200 yds N by E from Head of Bratta |
| 50k map sheet | Yell (130) |
| Map reference | HU 477 992 |
| 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
S28343
