BGS mineralogy and petrology collection record
| Sample number | S40347 |
|---|---|
| Sample Donor | Phemister,J. |
| Rock name | 'Original entry: Quartz-Keratophyre' |
| Stratigraphy | Not entered |
| Comments | Quartz-keratophyre. Green epidiorite, not foliated, is c. 1 ft thick and tends to cross foliation as if it had originally been slightly cross-cutting |
| Locality details | 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
S40347
