BGS mineralogy and petrology collection record
| Sample number | S33740 |
|---|---|
| Sample Donor | Haldane,D. |
| Rock name | 'Original entry: Hornblende-Biotite Tonalite' |
| Stratigraphy | Not entered |
| Comments | Hornblende-biotite tonalite. Granite (foliated); slightly crushed |
| Locality details | Brother Isle, W shore, N end |
| 50k map sheet | Yell (130) |
| Map reference | HU 421 816 |
| 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
S33740
