BGS mineralogy and petrology collection record
| Sample number | E66221; COLLNOWPR70; |
|---|---|
| Sample Donor | Pratt, W. |
| Rock name | Rhyolite. 'Original entry: Rhyolite' |
| Stratigraphy | Not entered |
| Comments | Not entered |
| Locality details | 310 m. NNW. of Spot height 766 m. (Craig Cwm Amarch). |
| 50k map sheet | Barmouth (149) |
| Map reference | SH 7037 1204 |
| 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
E66221
