BGS mineralogy and petrology collection record
| Sample number | MR16959 |
|---|---|
| Sample Donor | Not entered |
| Rock name | 'Original entry: Sarsen With Quartz Pebbles' |
| Stratigraphy | Not entered |
| Comments | Quaternary derived from Eocene- Pres by HG Mantle 1935 |
| Locality details | Shenleybury |
| 50k map sheet | Hertford (239) |
| Map reference | TL 182 019 |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |