BGS mineralogy and petrology collection record
| Sample number | E21541 |
|---|---|
| Sample Donor | Road Research Laboratory |
| Rock name | 'Original entry: Micaceous, Chloritic Sandstone' |
| Stratigraphy | Not entered |
| Comments | Not entered |
| Locality details | Halfway Qry. Trecastle |
| 50k map sheet | Brecon (213) |
| Map reference | SN 845 324 |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |
Petrological thin sections
Links to high resolution images
Transition from XPL to PPL light
E21541
