BGS mineralogy and petrology collection record
| Sample number | S20823 |
|---|---|
| Sample Donor | Bailey, E.B. |
| Rock name | 'Original entry: Hornblende-Biotite Gneiss' |
| Stratigraphy | Not entered |
| Comments | Rather dark grey |
| Locality details | Rubha Dubh, Tiree |
| 50k map sheet | Iona (43) |
| Map reference | NM 0941 4909 |
| 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
S20823
