BGS mineralogy and petrology collection record
| Sample number | E30850; COLLNOJW260; |
|---|---|
| Sample Donor | Wright,J.E. |
| Rock name | Granite. 'Original entry: Biotite Granite' |
| Stratigraphy | Not entered |
| Comments | Relatively fine biotite granite with small feldspar phenocrysts, from small inlier, outside of and apparently seperated from main outcrop of Dartmoor Granite. |
| Locality details | Loose rock, 420 Yds. E. 28 deg. N. of Cranbrook. |
| 50k map sheet | Okehampton (324) |
| Map reference | SX 747 890 |
| 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
E30850
