BGS mineralogy and petrology collection record
| Sample number | S40346 |
|---|---|
| Sample Donor | Phemister,J. |
| Rock name | 'Original entry: Quartz-Keratophyre' |
| Stratigraphy | Not entered |
| Comments | Quartz-keratophyre. Curous spotted "epidiorite" in green schist; local variant of grey epidiiorite; spherulitic |
| Locality details | Cliff just S of Swiddy Geos, Tresta |
| 50k map sheet | Yell (130) |
| Map reference | HU 610 905 |
| 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
S40346
