BGS mineralogy and petrology collection record
| Sample number | MR21870 |
|---|---|
| Sample Donor | Collins,G.H. |
| Rock name | 'Original entry: Grit' |
| Stratigraphy | Not entered |
| Comments | Dark grey micaceous grit. NGR as in register. |
| Locality details | Quarry name: Craig-y-Bwlch: at 200 yards NW of Bwlch-y-Hendre Cardiganshire |
| 50k map sheet | Llanilar (178) |
| Map reference | SN 722 696 |
| Year collected | 1958 |
| Bore name | Not applicable |
| Confidentiality | No restrictions |