BGS mineralogy and petrology collection record
| Sample number | S1688 |
|---|---|
| Sample Donor | Macconachie,A.F. |
| Rock name | 'Original entry: Porphyritic Trachyte' |
| Stratigraphy | Not entered |
| Comments | Porphyritic trachyte |
| Locality details | Rock on which Monument stands |
| 50k map sheet | Haddington (33) |
| Map reference | NT 4993 7650 |
| 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
S1688
