BGS mineralogy and petrology collection record
| Sample number | MR26430 |
|---|---|
| Sample Donor | Dangerfield,J.; Merriman,R.J.; |
| Rock name | 'Original entry: Purple Slate' |
| Stratigraphy | Not entered |
| Comments | Purple slate group Lower Cambrian |
| Locality details | Crags by road, 200yds at 117deg from Owen Bank & 900yds S of Christ's Church, Penybryn, Bethesda |
| 50k map sheet | Bangor (106) |
| Map reference | SH 627 654 |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |