BGS mineralogy and petrology collection record
| Sample number | S21711 |
|---|---|
| Sample Donor | Macgregor,A.G. |
| Rock name | 'Original entry: Hornblende-Biotite Gneiss, Grey' |
| Stratigraphy | Not entered |
| Comments | Typical grey hornblende-biotite gneiss |
| Locality details | 533 yds E 25 deg S from Cill Choinnich |
| 50k map sheet | Tiree (42) |
| Map reference | NL 9475 4456 |
| 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
S21711
