BGS mineralogy and petrology collection record
| Sample number | E38335; MR31852; COLLNO50; |
|---|---|
| Sample Donor | Gough; Oldershaw,D.; |
| Rock name | Sandstone (Undifferentiated). 'Original entry: Protoquartzite' |
| Stratigraphy | Not entered |
| Comments | Micaceous, purple silty sandstone. (Devonian). Used as part of 1970's Roadstone Project |
| Locality details | Craig-y-Fro, old roadside quarry on A470 road, 8 miles SW. of Brecon. |
| 50k map sheet | Merthyr Tydfil (231) |
| Map reference | SO 972 207 |
| 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
E38335
