BGS mineralogy and petrology collection record
| Sample number | S40822; COLLNOXJ651; |
|---|---|
| Sample Donor | Johnstone,G.S. |
| Rock name | 'Original entry: Dark Porphyritic Microdiorite' |
| Stratigraphy | Not entered |
| Comments | Dark porphyritic microdiorite; different variety, but same mass as S. 40821 |
| Locality details | Carn Dubh |
| 50k map sheet | Loch Eil (62) |
| Map reference | NN 1409 9458 |
| 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
S40822
