BGS mineralogy and petrology collection record
| Sample number | MR4943 |
|---|---|
| Sample Donor | Not entered |
| Rock name | Chert. 'Original entry: Chert In Nummulitic Limestone' |
| Stratigraphy | Not entered |
| Comments | chert in Nummulitic Limestone, ,Collected by Horace T Brown: |
| Locality details | Valley of Tombs, Thebes,surface exposure,?Egypt |
| 50k map sheet | Not entered |
| Map reference | 25:48,32:38 |
| Year collected | 1840 |
| Bore name | Not applicable |
| Confidentiality | No restrictions |