BGS mineralogy and petrology collection record
| Sample number | S21922; S21922/A; |
|---|---|
| Sample Donor | Macgregor,A.G. |
| Rock name | 'Original entry: Biotite-Augite Lamprophyre' |
| Stratigraphy | Not entered |
| Comments | Xenocrystic quartzes. Xenoliths of siliceous granulite |
| Locality details | Boulder in Garbh Allt 300 yds up from junction with Allt Glac |
| 50k map sheet | Lairg (102) |
| Map reference | NC 31012 02824 |
| 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
S21922
S21922/A
