4. Basalt sheet, soft friable, grey or bright green, and decomposed at base 5 5. Hard yellow calcareous-grit with calcite-filled cavities, passing into semi-compacted yellowish sand, hardened at junction with basalt 1 6. White and red sands } } 7. Greenish sandstones and yellow concretionary sands } with 2·5 cm. layer of calcareous grit, with gastropods } 27 including large _Cerithium_, _Melania_ sp., } _Turritella pharaonica_, _Pleurotoma ingens_, } May.-Eym., occasional lamellibranchs and also } _Callianassa_ } 8. White, green and brown sands and sand-rock 17 9. Hard yellow calcareous grit } } 10. Red and white clayey sand and sandy clays; some pebbly } 10 bands; _Lucina_ sp., _Unio_ sp.,[67] preserved in } brown ironstone, common in places on this horizon } 11. Coarse grey and white sand (2 metres) } } 12. Red clayey sands (1 metre) } 5 } 13. White and yellow sand and sand-rock } 14. Red clays 7 15. Sandy ferruginous band with lamellibranchs and gastropods of genera _Unio_, _Pseudodon_, _Mutela_, _Spatha_ and _Lanistes_, indicating fluviatile or fresh water conditions of deposition 5 16. Green clay (1 metre) passing into a red variety } } 17. White sandy clay (2 metres) } } 18. Red clays } 6 } 19. White, brown, and red sands, partly consolidated } } 20. Bright red clay } 21. Hard coarse sandstone 3