BGS mineralogy and petrology collection record
| Sample number | S49807; COLLNOYR525; |
|---|---|
| Sample Donor | Smith,D.I. |
| Rock name | 'Original entry: Coarse Biotite Granite' |
| Stratigraphy | Not entered |
| Comments | Coarse biotite granite |
| Locality details | Inverawe Tunnel runs SE (HE 26); 2190 ft from access tunnel portal |
| 50k map sheet | Oban (45) |
| Map reference | NN 0231 3204 |
| 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
S49807
