BGS mineralogy and petrology collection record
| Sample number | N990; COLLNORYF73; |
|---|---|
| Sample Donor | Petterson, M.G |
| Rock name | Wacke. 'Original entry: Greywacke' |
| Stratigraphy | Not entered |
| Comments | Gritty greywacke |
| Locality details | Allt Tarbh |
| 50k map sheet | Loch Lomond (38) |
| Map reference | NN 4460 0441 |
| Year collected | 1997 |
| Bore name | Not applicable |
| Confidentiality | No restrictions |
Petrological thin sections
Links to high resolution images
Transition from XPL to PPL light
N990
