Table 2 Summary of depositional sequences and subsequences in Cretaceous–Palaeogene interval of the southern Galala Sub-Basin
Sequences | Subsequences | Time interval | System tracts | Stratigraphy | Occurrence |
|---|---|---|---|---|---|
SEQ-1: CaSGB-1 | Post-CaSGB-1 HST | 1.7 Myr within the latest Campanian | HST | Lowermost part of Markha Member of Sudr Formation | Basal part of Gebel Tarboul and Bir Dakhl sections |
SEQ-2: CaSGB-2 | Post-CaSGB-2 TST;CaSGB-2, Post-CaSGB-2 HST | ~2.9 Myr Campanian | HST, TST | Markha Member and Abu Zeneima Member of Sudr Formation | Gebel Tarboul and Bir Dakhl sections |
SEQ-3: MaSGB-1 | Post-MaSGB-1 TST; MaSGB-1. Post-MaSGB-1 HST | 3.2 Myr from latest Campanian to Late Maastrichtian | TST, HST | Markha Member and Abu Zeneima Member of Sudr Formation | Bir Dakhl and Wadi Tarfa |
SEQ-4: MaSGB-2 | Post-MaSGB-2 TST; MaSGB-2, Post-MaSGB-2 HST | latest Maastrichtian | TST, HST | Uppermost part of Sudr Formation | Bir Dakhl and Wadi Tarfa |
SEQ-5: DaSGB | Post-DaSGB HST | Late Early Paleocene | TST, HST | Lowermost part of the Dakhla Formation | Wadi Tarfa |
SEQ-6: Da/SeSGB | Post-Da/SeSGB TST; Da/SeSGB; Post-Da/SeSGB HST | Latest Danian–Selandian | TST and HST | Dakhla Formation | Wadi Tarfa |
SEQ-7: SeSGB | Post-SeSGB TST; SeSGB; Post-SeSGB HST | 2.2 Myr Selandian | TST, HST | Dakhla Formation | Wadi Tarfa |
SEQ-8: ThSGB | Post-ThSGB TST; ThSGB; Post-ThSGB HST | 2.5 Myr Thanetian | TST, HST | Uppermost part of Dakhla Formation, Tarawan Formation | Wadi Tarfa and Bir Dakhl |
SEQ-9: Sp/YpSGB | Post-Sp/YpSGB TST; Sp/YpSGB; Post-Sp/YpSGB HST | 1.4 Myr Sparnacian | TST, HST | Lower part of Esna Formation | Wadi Tarfa |
SEQ-10: YpSGB | Post-YpSGB TST; YpSGB; Post-YpSGB HST | At least 2.5 Myr in Middle to Late Ypresian | TST, HST | Esna Formation | Wadi Tarfa |