BGS mineralogy and petrology collection record
| Sample number | E38127; MR31828; COLLNO26; |
|---|---|
| Sample Donor | Gritstone Project |
| Rock name | 'Original entry: Coarse Feldspathic Lithic Greywacke' |
| Stratigraphy | Not entered |
| Comments | Coarse indurated sandstone. (? basal Arenig). Ordovician. Used as part of 1970's Roadstone Project |
| Locality details | Tyn-y-Cerrig, approx. 200 Yds. S. of Rhosneigr. |
| 50k map sheet | Caernarfon (105) |
| Map reference | SH 328 737 |
| 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
E38127
