BGS mineralogy and petrology collection record
| Sample number | S30489; COLLNO21N; |
|---|---|
| Sample Donor | Tait,D. |
| Rock name | Not entered |
| Stratigraphy | Not entered |
| Comments | Non-porphyritic margin of sill almost at contact with porphyritic centre; porph shows no sign of chilling and is here locally vertical |
| Locality details | East wall of passage 50 yds N of St Leaonard's Mount, Heriot Steps |
| 50k map sheet | Edinburgh (32) |
| Map reference | NT 2647 7313 |
| 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
S30489
