BGS mineralogy and petrology collection record
| Sample number | S29728 |
|---|---|
| Sample Donor | Phemister,J. |
| Rock name | 'Original entry: Phonolite' |
| Stratigraphy | Not entered |
| Comments | Phonolite, Ne replaced by reddish decomposed aegirine augite, trachyte? |
| Locality details | 450 yards N 5 deg E of triangulation point at 1744 feet on Skelfhill Pen |
| 50k map sheet | Jedburgh (17) |
| Map reference | NT 442 035 |
| 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
S29728
