| Uitenhage Group | |
|---|---|
| Stratigraphic range: Late Early Jurassic-Early Cretaceous ~ | |
| Type | Geologic group |
| Sub-units | Enon, Kirkwood, Sundays River & Buffelskloof Formations |
| Underlies | Algoa Group |
| Overlies | Suurberg Group |
| Lithology | |
| Primary | Sandstone, mudstone, siltstone, shale, conglomerate |
| Other | Calcite |
| Location | |
| Region | Western & Eastern Cape |
| Country |  South Africa |
| Type section | |
| Named for | Uitenhage area |
 Map showing extent of the Uitenhage Group in the Algoa and Gamtoos Basins | |
The Uitenhage Group is one of three geological groups, which comprise the onshore and offshore post-Karoo middle to lower Upper Mesozoic geological rock units in South Africa.[1][2][3][4] Stratigraphically, the Uitenhage Group overlies the Suurberg Group and is overlain by the Algoa Group.[5][6] It contains four formations that range in age from late Early Jurassic and late Early Cretaceous in age (~183 - 100 Ma).
- ^ Shone, R.W. (2006-01-01). "Onshore post-Karoo Mesozoic deposits". The Geology of South Africa: 541–552.
- ^ McLachlan, I.R.; McMillan, I.K. (1979-01-01). "Microfaunal biostratigraphy, chronostratigraphy and history of Mesozoic and Cenozoic deposits on the coastal margin of South Africa". Geological Society of South Africa, Special Publication. 6: 161–181.
- ^ McMillan, I.K.; Brink, G.I.; Broad, D.S.; Maier, J.J. (1997-01-01). "Chapter 13 Late Mesozoic Sedimentary Basins Off the South Coast of South Africa". Sedimentary Basins of the World. 3: 319–376. doi:10.1016/S1874-5997(97)80016-0. ISBN 9780444825711. ISSN 1874-5997.
- ^ "Structural and sedimentary development of the continental margin off Southwestern Africa" (PDF). Retrieved 2024-02-03.
- ^ Marsh, J. S. Goonie (2016). "New Evidence for the Correlation of Basalts of the Suurberg Group with the Upper Part of the Karoo Basalt Sequence of Lesotho". Origin and Evolution of the Cape Mountains and Karoo Basin. Regional Geology Reviews. Springer, Cham. pp. 59–65. doi:10.1007/978-3-319-40859-0_6. ISBN 9783319408583.
- ^ Klinger, H. C., & Kennedy, W. J. (1977). Cretaceous faunas from Zululand, South Africa, and southern Mozambique. The Aptian Ancyloceratidae (Ammonoidea). Annals of the South African Museum, 73(9), 215-359.