BGS mineralogy and petrology collection record
| Sample number | E21571 |
|---|---|
| Sample Donor | Dunham,K.C. |
| Rock name | 'Original entry: Indurated Mudstone With Tourmaline' |
| Stratigraphy | Not entered |
| Comments | Not entered |
| Locality details | Above Black Hole Quarry, (Boyland Down), 7 miles from Exeter. |
| 50k map sheet | Newton Abbot (339) |
| Map reference | |
| 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
E21571
