BGS mineralogy and petrology collection record
| Sample number | S30641 |
|---|---|
| Sample Donor | Allan,J.K. |
| Rock name | 'Original entry: Biotite-Oligoclase Gneiss' |
| Stratigraphy | Not entered |
| Comments | Biotite-oligoclase gneiss |
| Locality details | Gravelsnd, 150 yds N from Segill |
| 50k map sheet | Yell (130) |
| Map reference | HU 462 972 |
| 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
S30641
