BGS mineralogy and petrology collection record
| Sample number | S40571; COLLNOXN856; |
|---|---|
| Sample Donor | Wright,J.E. |
| Rock name | 'Original entry: Spessartite' |
| Stratigraphy | Not entered |
| Comments | Variable microdiorite or lamprophyre from 6 ft sheet following strong E-dipping joint in granitic gneiss; mafic type apparently veined by more felsic type |
| Locality details | Stream section, 2300 yds E 30 deg S of summit of Sgurr Mhurlagain |
| 50k map sheet | Loch Eil (62) |
| Map reference | NN 0303 9336 |
| 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
S40571
