BGS mineralogy and petrology collection record
| Sample number | S58699; COLLNOYR2048; |
|---|---|
| Sample Donor | Smith,D.I. |
| Rock name | 'Original entry: Dark ?Tonalite' |
| Stratigraphy | Not entered |
| Comments | Typical dark ?tonalite: Caledonian |
| Locality details | Glen Lia - Loch Mhor tunnel, chainage 2600 ft |
| 50k map sheet | Fort Augustus (73) |
| Map reference | NH 5122 2096 |
| 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
S58699
