BGS mineralogy and petrology collection record
| Sample number | E72120; COLLNOIY1075; |
|---|---|
| Sample Donor | Not entered |
| Rock name | Andesite. |
| Stratigraphy | Borrowdale Volcanic Group. |
| Comments | Amygdaloidal porphyritic andesite |
| Locality details | BB02. Helton Fell Knotts |
| 50k map sheet | Appleby (30) |
| Map reference | NY 4855 2076 |
| Year collected | 1998 |
| Bore name | Not applicable |
| Confidentiality | No restrictions |