BGS mineralogy and petrology collection record
| Sample number | MR37626 |
|---|---|
| Sample Donor | Not entered |
| Rock name | 'Original entry: Medium Grey Siltstone With Rootlets' |
| Stratigraphy | Westphalian Rocks (Undifferentiated). Westphalian |
| Comments | Oxford Brooks Donation Sample no. |
| Locality details | Markham Colliery, N. Derbyshire |
| 50k map sheet | Chesterfield (112) |
| Map reference | SK 448 721 |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |