BGS mineralogy and petrology collection record
| Sample number | S4617 |
|---|---|
| Sample Donor | Gunn, W. |
| Rock name | 'Original entry: Porphyritic Trachyte' |
| Stratigraphy | Not entered |
| Comments | Porphyritic trachyte, fine trap bed |
| Locality details | W side of Luchdach, S. Bute |
| 50k map sheet | Arran (Millport) (21) |
| Map reference | NS 106 523 |
| 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
S4617
