BGS mineralogy and petrology collection record
| Sample number | MR22431 |
|---|---|
| Sample Donor | Chaperlin,K. |
| Rock name | 'Original entry: Dolerite' |
| Stratigraphy | Not entered |
| Comments | ? Dolerite Dyke. NGR as in register. |
| Locality details | Quarry name: not recorded: at Old Qry. in field. 150 yd E of Ty'n y Bont |
| 50k map sheet | Caernarfon (105) |
| Map reference | SH 394 753 |
| Year collected | 1959 |
| Bore name | Not applicable |
| Confidentiality | No restrictions |