BGS mineralogy and petrology collection record
| Sample number | E67340 |
|---|---|
| Sample Donor | Rushton,A.A. |
| Rock name | Rhyodacite. |
| Stratigraphy | Not entered |
| Comments | Rhyodacite |
| Locality details | Gilfach Farm No. 2 BH. 1 Km 324 deg from Gilfach Fm. 2.5 Km N of Llanwrtyd Wells |
| 50k map sheet | Builth (196) |
| Map reference | SN 8760 4920 |
| 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
E67340
