BGS mineralogy and petrology collection record
| Sample number | MR21173; COLLNOJf825; |
|---|---|
| Sample Donor | Jones,T.G. |
| Rock name | Not entered |
| Stratigraphy | Not entered |
| Comments | Bryn Glas Group |
| Locality details | Road cutting, 3/4ml. from Ponterwyd on Llanidlos road, at foot of Bryn Glas Hill |
| 50k map sheet | Aberystwyth (163) |
| Map reference | SN 759 815 |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |