BGS mineralogy and petrology collection record
| Sample number | S40602; COLLNOYB431; |
|---|---|
| Sample Donor | Lawrie,T.R.M. |
| Rock name | 'Original entry: ?Lamprophyre Or Microdiorite' |
| Stratigraphy | Not entered |
| Comments | Dyke, 1 ft thick, which cuts coarse porphyrite (S. 40599). Margins parallel to those of main body. ?Lamprophyre or microdiorite |
| Locality details | Allt Choille-rais, 1230 yds S 16 deg E of bridge over Allt nan Aire at Tomnafet; 24 ft S of S. 40598 |
| 50k map sheet | Loch Eil (62) |
| Map reference | NN 2054 7690 |
| 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
S40602
