BGS mineralogy and petrology collection record
| Sample number | E25300; COLLNO13/NE33; |
|---|---|
| Sample Donor | Stevenson,I.P. |
| Rock name | Not entered |
| Stratigraphy | Not entered |
| Comments | Sheared Rhyolite Tuff |
| Locality details | S bank of R. Dulyn; 330 yds. W by S of Rowlyn-Uchaf; 1120 yds. S of Bwlch-Y-Gaer |
| 50k map sheet | Bangor (106) |
| Map reference | SH 744 681 |
| 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
E25300
