BGS mineralogy and petrology collection record
| Sample number | E25493; COLLNO18; |
|---|---|
| Sample Donor | Road Research Laboratory |
| Rock name | Wacke. 'Original entry: Greywacke' |
| Stratigraphy | Not entered |
| Comments | Derby Ring Road Experiment. (RRC) July 1953. |
| Locality details | Gilfach Quarry, near Gilfach House, Brycock, Neath. |
| 50k map sheet | Swansea (247) |
| Map reference | SS 753 999 |
| 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
E25493
