BGS mineralogy and petrology collection record
| Sample number | E30875; COLLNOJW295; |
|---|---|
| Sample Donor | Wright,J.E. |
| Rock name | 'Original entry: Medium Grained Biotite Granite' |
| Stratigraphy | Not entered |
| Comments | Relatively fine biotite granite with small phenocrysts of quartz and feldspar, from steep vein, c. 20-30' thick in hornfelsed sandstone. |
| Locality details | 1510 Yds. S. at 42 deg. W. of Drewsteignton Church. |
| 50k map sheet | Okehampton (324) |
| Map reference | SX 727 900 |
| 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
E30875
