BGS mineralogy and petrology collection record
| Sample number | E62046; COLLNOGW84; |
|---|---|
| Sample Donor | Woodhall, D.G. |
| Rock name | Semipelite. |
| Stratigraphy | Not entered |
| Comments | Field name: Basic tuff. Thin section--strongly chloritised fine-grained quartzo-feldspathic roc, no obvious ingneus textures, strong metamorphic fabric |
| Locality details | 820 m 245 deg from Bryn Brith; 5.4 Km NE of Fairbourne Stn. |
| 50k map sheet | Barmouth (149) |
| Map reference | SH 6571 1502 |
| 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
E62046
