BGS mineralogy and petrology collection record
| Sample number | S42520 |
|---|---|
| Sample Donor | Phemister,J. |
| Rock name | 'Original entry: Hornblende Tonalite' |
| Stratigraphy | Not entered |
| Comments | Crushed oligoclase-mica gneiss; ?K-permeated; albitised, chloritised |
| Locality details | Ness of Galtigarth, 100 yds S of west end of ayre |
| 50k map sheet | Yell (130) |
| Map reference | HU 498 852 |
| 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
S42520
