BGS mineralogy and petrology collection record
| Sample number | S9269 |
|---|---|
| Sample Donor | Hill, J.B. |
| Rock name | 'Original entry: Biotite Gneiss' |
| Stratigraphy | Not entered |
| Comments | Relics of feldspar phenocrysts in a foliated granulitic aggregate of plagioclase, quartz and biotite |
| Locality details | 1.5 miles W of Castles |
| 50k map sheet | Oban (45) |
| Map reference | NN 118 297 |
| 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
S9269
