BGS mineralogy and petrology collection record
| Sample number | E38128; MR31829; COLLNO27; |
|---|---|
| Sample Donor | Gritstone Project |
| Rock name | Sandstone (Undifferentiated). 'Original entry: Protoquartzite' |
| Stratigraphy | Not entered |
| Comments | Sandstone-(Millstone Grit) Upper Carboniferous. Used as part of 1970's Roadstone Project |
| Locality details | Rwlchgwyn Quarry, 5 miles WNW. of Wrexham. |
| 50k map sheet | Wrexham (121) |
| Map reference | SJ 258 533 |
| 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
E38128
