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Theory of Continental Drift. In South Africa the layer is known as the Dwyka Group. It is the earliest and lowermost of the Karoo Supergroup of sedimentary...

within the three basins, largely under closed-basin conditions. A final stage of predominantly volcanic succession (Rooiberg Group-Loskop Formation) is...

glaciated pavement shows striae on Table Mountain sandstone at the base of the Dwyka tillite of the Karoo System and is approximately 300 million years Old....

Regent "Lucas" Huma in sandstone that was deposited during the Hettangian stage of the Jurassic period, approximately 201 to 199 million years ago. The...

extinct genus of basal rhynchosaur from early Middle Triassic (early Anisian stage) deposits of Eastern Cape, South Africa. It is known from the holotype SAM...

Bushveld metamorphic aureole in the Potgietersrus area; evidence for a two-stage metamorphic event". Economic Geology. 80 (4): 1129–1152. Bibcode:1985EcGeo...

skull. The posterior sagittal crest to appear in an earlier ontogenetic stage than the more anterior crest had, and in conjunction with the dorsal deposition...

been recovered from the Lower Elliot Formation which dates to the Norian stage of the Late Triassic, or approximately 221 to 210 million years ago. Later...

replacement teeth yet to erupt were present even in this early ontogenetic stage. Despite these findings, the authors argued that tooth replacement must...

Ltd [1968] Ch 17 Re Bugle Press Ltd [1961] Ch 270 Fiske Nominees Ltd v Dwyka Diamond Ltd [2002] EWHC 770; 2 BCLC 123 [1987] QB 815 ex parte Guinness...

amounts of H2O) in the system, which produces a deep explosive boiling stage that causes a significant amount of vertical flaring. Kimberlite classification...

part of the middle Norian stage of the Late Triassic, but Thomas Holtz Jr. interpreted that it was during the Rhaetian stage from approximately 204 to...

beaches. Clearly amniote-type fossil embryos of Mesosaurus in an advanced stage of development (i.e. fetuses) have been discovered in Uruguay and Brazil...

Karoo Supergroup. The Cistecephalus AZ has been dated to the Wuchiapingian stage of the Late Permian, between 256.2 and 255.2 million years old. Broom named...

The Upper Elliot is thought to date from the Hettangian and Sinemurian stages of the Early Jurassic Period, approximately 200 to 190 million years ago...

in the family Parahoplitidae that lived in the Aptian and Early Albian stages of the Early Cretaceous. The taxonomic position in the Treatise on Invertebrate...

implications from studies on sediments and altered pyroclastic layers of the Dwyka and Ecca Group (lower Karoo Supergroup) in southern Namibia (PhD thesis)...

Prolacerta were small reptiles that lived during the Induan and Olenekian stages of the lower Triassic. Prolacerta is arguably the most well-represented...

conditions. The thickest glacial deposits of Permo-Carboniferous age are the Dwyka Formation (1000 m thick) in the Karoo Basin in southern Africa, the Itararé...

implications from studies on sediments and altered pyroclastic layers of the Dwyka and Ecca Group (lower Karoo Supergroup) in southern Namibia (PhD thesis)...