BGS mineralogy and petrology collection record
| Sample number | S13491 |
|---|---|
| Sample Donor | Wright, William Bourke (only Wright in Survey before 1935, prob. same as H B Wright above) |
| Rock name | 'Original entry: Gneiss (Crushed)' |
| Stratigraphy | Not entered |
| Comments | Quartz, alkali feldspar, sericite, chlorite (mylonitic in parts); Colonsay Mem, pp. 11-12 |
| Locality details | Leac Buidhe, Colonsay |
| 50k map sheet | Colonsay (35) |
| Map reference | NM 424 002 |
| 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
S13491
