BGS mineralogy and petrology collection record
| Sample number | S439; COLLNO1708; |
|---|---|
| Sample Donor | Macconachie,A.F. |
| Rock name | 'Original entry: Trachyte Or Hornblende Andesite - Rotten' |
| Stratigraphy | Not entered |
| Comments | "Porphyrite", decomposed F |
| Locality details | Craigs at Torphin, NW Pentlands |
| 50k map sheet | Edinburgh (32) |
| Map reference | NT 203 678 |
| 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
S439
