BGS mineralogy and petrology collection record
| Sample number | E35203; COLLNOMH24; |
|---|---|
| Sample Donor | Howells,M.F. |
| Rock name | Not entered |
| Stratigraphy | Not entered |
| Comments | Silicied tuff |
| Locality details | 1/2m slightly N of W of Pen yr Allt Ganol |
| 50k map sheet | Bangor (106) |
| Map reference | SH 7802 5791 |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |