BGS mineralogy and petrology collection record
| Sample number | S52663; COLLNOYR1347; |
|---|---|
| Sample Donor | Smith,D.I. |
| Rock name | 'Original entry: Grey Porphyrite' |
| Stratigraphy | Not entered |
| Comments | Grey porphyrite dyke |
| Locality details | Ianachain Tunnel, Chainage 1825 ft |
| 50k map sheet | Oban (45) |
| Map reference | NN 1215 3203 |
| 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
S52663
