BGS mineralogy and petrology collection record
| Sample number | MR18396; COLLNO794/5; |
|---|---|
| Sample Donor | Not entered |
| Rock name | 'Original entry: Tough Dull Red Siltstone' |
| Stratigraphy | Not entered |
| Comments | With limey concretions Upper Dittonian Beds |
| Locality details | Stream section 50-300yds S of Caerau Farm 1ml. SSW of Llanfrynach, nr. Brecon |
| 50k map sheet | Brecon (213) |
| Map reference | SO 066 240 |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |