BGS mineralogy and petrology collection record
| Sample number | MR24523; COLLNOKC846; |
|---|---|
| Sample Donor | Chaperlin,K.; Sanderson,R.W.; |
| Rock name | 'Original entry: Dolerite' |
| Stratigraphy | Not entered |
| Comments | Not entered |
| Locality details | E. slopes of Mynydd Rhiw 230yds NNE of Bryn Hyfryd and 1000yds NNE of St.Aelrhiw's Church, Rhiw |
| 50k map sheet | Pwllheli (134) |
| Map reference | SH 238 293 |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |