BGS mineralogy and petrology collection record
| Sample number | E72423; COLLNOCT1194; |
|---|---|
| Sample Donor | Johnson,E.W. |
| Rock name | Tuff. |
| Stratigraphy | Caradoc. Borrowdale Volcanic Group. |
| Comments | septarian nodule from Dunnerdale Tuffs |
| Locality details | not recorded |
| 50k map sheet | Cumbria or Ambleside (38) |
| Map reference | SD 2087 8993 |
| Year collected | 1988 |
| Bore name | Not applicable |
| Confidentiality | No restrictions |