BGS mineralogy and petrology collection record
| Sample number | E2974; COLLNO55; |
|---|---|
| Sample Donor | Usher,W.A.E. |
| Rock name | 'Original entry: Bluish Grey Platy Chert' |
| Stratigraphy | Not entered |
| Comments | Crypto crystalline silica with traces of organisms. |
| Locality details | Duvale Quarries, "Northern Quarry", S. of Bampton. |
| 50k map sheet | Tiverton (310) |
| Map reference | |
| 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
E2974
