BGS mineralogy and petrology collection record
| Sample number | E72379; COLLNOCT1082; |
|---|---|
| Sample Donor | Johnson,E.W. |
| Rock name | Tuff. 'Original entry: Ignimbrite' |
| Stratigraphy | Caradoc. Borrowdale Volcanic Group. |
| Comments | recrystallised eutaxitic acid ignimbrite |
| Locality details | Hall Dun Bridge |
| 50k map sheet | Cumbria or Ambleside (38) |
| Map reference | SD 2206 9745 |
| Year collected | 1986 |
| Bore name | Not applicable |
| Confidentiality | No restrictions |