...Figure 1. Locality map showing Bethulie region, South Africa, and study sites on the Bethel, Heldenmoed, and Fairydale farms (3026AD TampasFontein 1:50000 1980 Quad map [Pretoria, South Africa, Council for Geosciences]). Dashed lines mark farm boundaries. Stars are discussed laminite intervals...

... been taken in the investigation of pre-boundary, trans-boundary, and post-boundary plant-fossil assemblages in the Karoo Basin, South Africa. Fourteen stratigraphic sections were evaluated in the Balfour and Normandien formations (Lower Beaufort Group), Katberg Formation, and overlying Burgersdorp...

...Figure 2. Results of δ 18 O analyses plotted relative to stratigraphic level at the Doornplaats and Bethulie localities (Karoo Basin, South Africa). Upper portions of Doornplaats are roughly correlative with lower portions of Bethulie, but no tie point between sections is known, so no overlap...

...Figure 1. A: Map of South Africa showing extent of Karoo basin and approximate position of localities discussed. B: Time, therapsid assemblage zones, and stratigraphic subdivisions of Beaufort Group for interval represented by Bethulie and Doornplaats sections. Lystrosaurus has been reported...

... (average of 12). Paleosols at Carlton Heights and Bethulie show similar values and trends ( Fig. 13 ). These observations can be placed within a regional context by similar calculations for Permian and Triassic calcareous paleosols observed in other parts of South Africa. Four latest Permian paleosols...

...Roger M.H. Smith; Peter D. Ward Abstract The extinction of vertebrates around the time of the Permian-Triassic boundary has long been regarded as a gradual event occurring over millions of years. Our new field investigations of fluvial strata in the central and southern Karoo Basin of South Africa...

... localities are located on adjacent farm properties in the Free State Province ( Figs. 2 – 4 ), 30 kilometers to the east of the town of Bethulie, South Africa. There is little topographic relief where the Bethel farm lies next to the Caledon River and Tussen-die-Riviere Nature Reserve, with the area gaining...

...Peter D. Ward; Gregory J. Retallack; Roger M.H. Smith © 2012 Geological Society of America 2012 We welcome the fact that Gastaldo et al. (2009) have been continuing research in the Karoo of South Africa; those of us who have worked there know how important new research in this area...

... Society of South Africa. All rights reserved. 2020 Geological Society of South Africa The Lystrosaurus declivis Assemblage Zone. Broom (1906) proposed the name ‘ Lystrosaurus Beds’ for the biozone, but it was redefined by Kitching (1970) who expanded it to include...

...Figure 2. (A) map of South Africa showing the position of the field sites in the main Karoo Basin, local geology, and numbered field sites. The field sites are near ten major town and abbreviations for town names are: Bethulie (BE), Gariep Dam (GD), Colesburg (C), Cradock (CR), Nieu Bethesda (NB...

... facies relationships of the purported vertebrate-defined terrestrial boundary interval at Bethulie, Karoo Basin, South Africa : Earth Science Reviews , v. 189 , p. 220 – 243 . Gastaldo, R.A., Kamo, S.L., Neveling, J., Geissman, J., Looy, C.V...

... Time : London , Thames & Hudson , 336 p . Botha J. Smith R.M.H. , 2006 , Rapid vertebrate recuperation in the Karoo Basin of South Africa following the End-Permian extinction : Journal of African Earth Sciences , v. 45 , p. 502 – 514 , doi:10.1016/j.jafrearsci.2006.04.006...

... claystone breccia at Bethulie, South Africa; H) mosepic claystone clasts and large clay-skins (argillans) in earliest Triassic claystone breccia at Wybung Head, Australia; I) volcanic grains with opaque weathering rinds (sesquans) in a calcite matrix of latest Permian Wairaki Breccia, Letham Burn, New...

...-sized cynodont Galesaurus planiceps and the gecko-like procolophonoid Owenetta kitchingorum —as well as a diplopod millipede (probably juliform), from the Lower Triassic, Katberg Formation of the Karoo Basin in South Africa, is presented here. Different interpretations are discussed to explain...

... in general configuration. Additional millipedes have, however, been noted and illustrated, but not formally described or named, from Triassic rocks. These include juliform millipedes from the Lower Triassic of Bethulie and Bergville, South Africa, noted several decades ago by Kitching ( 1977 , p. 9...