BGS mineralogy and petrology collection record
| Sample number | E70893; COLLNOCT1686; |
|---|---|
| Sample Donor | Johnson,E.W. |
| Rock name | Dacite. |
| Stratigraphy | Not entered |
| Comments | Dacite. Sample elevation 335m above OD. Sample No. CT 1686. |
| Locality details | Birk Rigg. |
| 50k map sheet | Not entered |
| Map reference | NY 4556 0534 |
| Year collected | 0 |
| Bore name | Not applicable |
| Confidentiality | No restrictions |