BGS mineralogy and petrology collection record
| Sample number | MR25350 |
|---|---|
| Sample Donor | Dawson,J. |
| Rock name | 'Original entry: Trachybasalt' |
| Stratigraphy | Not entered |
| Comments | Vesicular Trachybasalt.. NGR as in register. |
| Locality details | Columbjohn quarry: at 5 miles NE of Exeter. |
| 50k map sheet | Exeter (325) |
| Map reference | SS 964 003 |
| Year collected | 1961 |
| Bore name | Not applicable |
| Confidentiality | No restrictions |