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Relevant bibliographies by topics / Geology, Stratigraphic – South Africa – Karoo

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Academic literature on the topic 'Geology, Stratigraphic – South Africa – Karoo'

Author: Grafiati

Published: 4 June 2021

Last updated: 17 February 2022

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Journal articles on the topic "Geology, Stratigraphic – South Africa – Karoo"

1

Bordy, E. M., S. Spelman, D. I. Cole, and P. Mthembi. "Lithostratigraphy of the Pietermaritzburg Formation (Ecca Group, Karoo Supergroup), South Africa." South African Journal of Geology 120, no. 2 (2017): 293–302. http://dx.doi.org/10.25131/gssajg.120.2.293.

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Abstract The Lower Permian Pietermaritzburg Formation is a mudrock-dominated, upward-coarsening stratigraphic unit in the lower Ecca Group (Karoo Supergroup) in the northeastern part of the main Karoo Basin of South Africa. The formation extends over most of the KwaZulu-Natal Province, and due to its lithology and the local climate, it is usually poorly exposed; hence the description is mainly based on borehole records. From a measured thickness of about 430 m south of the type area around Pietermaritzburg, the formation thins progressively northwards and pinches out against the Dwyka Group an

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2

Griffis, Neil Patrick, Isabel Patricia Montañez, Roland Mundil, et al. "Coupled stratigraphic and U-Pb zircon age constraints on the late Paleozoic icehouse-to-greenhouse turnover in south-central Gondwana." Geology 47, no. 12 (2019): 1146–50. http://dx.doi.org/10.1130/g46740.1.

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Abstract The demise of the Late Paleozoic Ice Age has been hypothesized as diachronous, occurring first in western South America and progressing eastward across Africa and culminating in Australia over an ∼60 m.y. period, suggesting tectonic forcing mechanisms that operate on time scales of 106 yr or longer. We test this diachronous deglaciation hypothesis for southwestern and south-central Gondwana with new single crystal U-Pb zircon chemical abrasion thermal ionizing mass spectrometry (CA-TIMS) ages from volcaniclastic deposits in the Paraná (Brazil) and Karoo (South Africa) Basins that span

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3

de V. Wickens, H., and D. I. Cole. "Lithostratigraphy of the Kookfontein Formation (Ecca Group, Karoo Supergroup), South Africa." South African Journal of Geology 120, no. 3 (2017): 447–58. http://dx.doi.org/10.25131/gssajg.120.3.447.

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Abstract The Permian Kookfontein Formation forms part of the upper Ecca Group in the southwestern part of the main Karoo Basin of South Africa. It occupies a stratigraphic position between the underlying Skoorsteenberg Formation and the overlying Waterford Formation, with its regional extent limited to the cut-off boundaries of the Skoorsteenberg Formation. The Kookfontein Formation has an average thickness of 200 m, coarsens upwards, and predominantly comprises dark grey shale, siltstone and thin- to thick-bedded, fine- to very fine-grained, feldspathic litharenite. Characteristic upward-coar

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4

Viglietti, P. A. "Biostratigraphy of the Daptocephalus Assemblage Zone (Beaufort Group, Karoo Supergroup), South Africa." South African Journal of Geology 123, no. 2 (2020): 191–206. http://dx.doi.org/10.25131/sajg.123.0014.

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Abstract The name Daptocephalus Assemblage Zone (DaAZ) is re-instated for vertebrate assemblages of the uppermost Permian strata (Balfour, upper Teekloof, and Normandien formations) of South Africa’s main Karoo Basin (MKB). This involved taxonomic revision of the dicynodontoid “Dicynodon” sensu lato, reviving Daptocephalus leoniceps, and revising the stratigraphic ranges of co-occurring index taxa (Theriognathus microps, Procynosuchus delaharpeae) of the Dicynodon Assemblage Zone (DiAZ) as it was known. This work has demonstrated the appearance of index taxa below the stratigraphically defined

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5

van der Werff, W., and S. Johnson. "High resolution stratigraphic analysis of a turbidite system, Tanqua Karoo Basin, South Africa." Marine and Petroleum Geology 20, no. 1 (2003): 45–69. http://dx.doi.org/10.1016/s0264-8172(03)00025-4.

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6

Viglietti, P. A., B. W. McPhee, E. M. Bordy, et al. "Biostratigraphy of the Massospondylus Assemblage Zone (Stormberg Group, Karoo Supergroup), South Africa." South African Journal of Geology 123, no. 2 (2020): 249–62. http://dx.doi.org/10.25131/sajg.123.0018.

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Abstract The Massospondylus Assemblage Zone is the youngest tetrapod biozone in the Karoo Basin (upper Stormberg Group, Karoo Supergroup) and records one of the oldest dinosaur dominated ecosystems in southern Gondwana. Recent qualitative and quantitative investigations into the biostratigraphy of the lower and upper Elliot formations (lEF, uEF) and Clarens Formation in the main Karoo Basin resulted in the ﬁrst biostratigraphic review of this stratigraphic interval in nearly four decades, allowing us to introduce a new biostratigraphic scheme, the Massospondylus Assemblage Zone (MAZ). The MAZ

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7

Wild, R., S. S. Flint, and D. M. Hodgson. "Stratigraphic evolution of the upper slope and shelf edge in the Karoo Basin, South Africa." Basin Research 21, no. 5 (2009): 502–27. http://dx.doi.org/10.1111/j.1365-2117.2009.00409.x.

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8

Gastaldo, Robert A., Kaci Kus, Neil Tabor, and Johann Neveling. "Calcic Vertisols in the upper Daptocephalus Assemblage Zone, Balfour Formation, Karoo Basin, South Africa: Implications for Late Permian Climate." Journal of Sedimentary Research 90, no. 6 (2020): 609–28. http://dx.doi.org/10.2110/jsr.2020.32.

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ABSTRACT The fully continental succession of the Beaufort Group, Karoo Basin, South Africa, has been used in the development of environmental models proposed for the interval that spans the contact between the Daptocephalus to Lystrosaurus Assemblage Zones, associated by some workers with the end-Permian extinction event. An aridification trend is widely accepted, yet geochemical data indicate that the majority of in situ paleosols encountered in this interval developed in waterlogged environments. To date, the presence of calcic paleosols in the latest Permian can be inferred only from the pr

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9

Sixsmith, P. J., S. S. Flint, H. DeV Wickens, and S. D. Johnson. "Anatomy and Stratigraphic Development of a Basin Floor Turbidite System in the Laingsburg Formation, Main Karoo Basin, South Africa." Journal of Sedimentary Research 74, no. 2 (2004): 239–54. http://dx.doi.org/10.1306/082903740239.

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10

Tankard, Anthony, Herman Welsink, Peter Aukes, Robert Newton, and Edgar Stettler. "Tectonic evolution of the Cape and Karoo basins of South Africa." Marine and Petroleum Geology 26, no. 8 (2009): 1379–412. http://dx.doi.org/10.1016/j.marpetgeo.2009.01.022.

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