BGS mineralogy and petrology collection record
| Sample number | S21716 |
|---|---|
| Sample Donor | Macgregor,A.G. |
| Rock name | 'Original entry: Garnetiferous Hornblende Gneiss' |
| Stratigraphy | Not entered |
| Comments | Dark grey garnetiferous hornblende gneiss |
| Locality details | Eilean Ghreasamuill, about 150 yds S 30 deg W from its northern extremity |
| 50k map sheet | Tiree (42) |
| Map reference | NL 9335 4432 |
| 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
S21716
