BGS mineralogy and petrology collection record
| Sample number | S7446 |
|---|---|
| Sample Donor | Gunn, W. |
| Rock name | 'Original entry: Biotite Granite And Diorite' |
| Stratigraphy | Not entered |
| Comments | Biotite granite and diorite |
| Locality details | Gleann Dubh, "Boss" S side of Tir Dubh |
| 50k map sheet | Arran (Millport) (21) |
| Map reference | NR 970 320 |
| 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
S7446
