Partial Ponding of Turbidite Systems in a Basin with Subtle Growth-Fold Topography: Laingsburg-Karoo, South Africa

Grecula, Martin; Flint, Stephen S.; Potts, G. J.; Wickens, Deville; Johnson, Stephen D.

doi:10.1306/120402730603

Cited by 61 publications

(64 citation statements)

References 28 publications

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“…3) contains an approximately 1.8 km thick succession of deep-marine deposits . Grecula et al, 2003;Figueiredo et al 2009;Hodgson et al, 2011a;Spychala et al, 2015) to wave-dominated shelf and shelf-edge deposits (the ~350 m-thick Waterford Formation, Oliveira et al, 2011, Jones et al, 2013Fig. 3).…”

Section: Regional Settingmentioning

confidence: 98%

“…Overall, sediment gravity flows entered from the south-west with net sediment dispersal direction to the north-east Morris et al 2014). Locally, subtle basin bathymetry influenced the flows and modified their behaviour (Grecula et al, 2003;Sixsmith et al 2004;van der Merwe et al 2014;Spychala et al, 2015).…”

Section: Regional Settingmentioning

confidence: 99%

“…Grecula et al 2003;Flint et al 2011;Hodgson et al 2011a;Brunt et al, 2013b;van der Merwe et al, 2014;Jones et al 2015). Post-depositional deformation around Laingsburg was previously constrained for a small area (Newton 1993(Newton , 1995, so published paleogeographic reconstructions (e.g.…”

Section: Reservoir Analogue Implicationsmentioning

confidence: 99%

“…1; 2), have been utilised as an analogue for sub-seismic scale depositional elements, and facies distributions for many hydrocarbon fields (e.g. Grecula et al, 2003, Sixsmith et al, 2004, Hodgson et al, 2011aFlint et al, 2011;Di Celma et al, 2011;Brunt et al, 2013a, b;Morris et al, Interpretation 5 2014). Detailed studies have culminated in the correlation of stacked deep water composite sequences across the Karoo Basin over a >2500km 2 area, allowing high resolution study of the evolution of a basin through the stages of its fill (Van der Merwe et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

“…Grecula et al, 2003;Sixsmith et al, 2004;Di Celma et al, 2011;Van der Merwe et al, 2014). Palinspastic restoration will improve map view configurations such as sediment dispersal patterns, isopach maps and rates of thinning (e.g.…”

Section: Introductionmentioning

confidence: 99%

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Palinspastic restoration of an exhumed deepwater system: A workflow to improve paleogeographic reconstructions

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Section: Regional Settingmentioning

confidence: 98%

Section: Regional Settingmentioning

confidence: 99%

Section: Reservoir Analogue Implicationsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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The Ormen Lange turbidite systems

Ravnås

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et al. 2014

From Depositional Systems to Sedimentary Successions on the Norwegian Continental Margin

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Facies Anatomy of a Sand‐Rich Channelized Turbiditic System: The Eocene Kusuri Formation in the Sinop Basin, North‐Central Turkey

Janbu

Nemec

Kirman

et al. 2007

Sedimentary Processes, Environments and Basins

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This study focuses on a basin-floor turbiditic system in an Eocene foredeep basin, using facies analysis supplemented with micropalaeontological and ichnological data. Sediment dispersal processes are interpreted from sedimentary facies, and the morphogenesis, spatial relationships and stratigraphic distribution of facies associations are used to reconstruct the behaviour and morphodynamic evolution of the turbiditic system. The case study sheds more light on the development of submarine channels and related patterns of overbank sedimentation in narrow foreland basins, and contributes to a better understanding of the geological history of the Central Pontides.The lower to middle Eocene Kusuri Formation in the Sinop Basin, north-central Anatolia, is a succession of siliciclastic turbidites ~1200 m thick, well-exposed on the Turkish Black Sea coast. The deposition occurred in a west-trending foredeep trough of the Central Pontides, ~30 km wide and > 150 km long, and involved a deep-water axial dispersal system supplied with coarse sediment by a fluvio-deltaic feeder draining the emerged adjacent foreland of the Eastern Pontides. Sedimentary facies include hemipelagic 'background' mudstones, thin muddy turbidites and 'classic' Bouma-type turbidites, a wide range of non-classic turbidites attributed to low-and high-density sustained currents, and gravelly debrisflow deposits. These facies form four major associations:1 mudstones interspersed with thin turbidite sheets; 2 broad depositional lobes with thickening-upward bedding trends; 3 poorly defined wide palaeochannels, solitary sinuous palaeochannels and multistorey palaeochannel complexes; 4 packages of thin overbank turbidites with tabular, wedge-shaped or sigmoidal bedding.The first assemblage forms the lowermost and uppermost part of the Kusuri Formation, whereas the others occur in its middle main part. The poorly defined palaeochannels are 20-25 m thick, typically overlie the depositional lobes and are themselves overlain by the sinuous palaeochannels, 20-30 m thick and ≤ 400-500 m wide, which suggests that the former channels tended to evolve into the latter. The sinuous channels show lateral accretion (point bars) indicating meander-bend expansion combined with a marked downstream translation, and their depth/width aspect ratios are much lower than those of many modern submarine channels. The multistorey complexes of sinuous palaeochannels are 100-160 m thick and estimated to be ≤ 3-5 km wide. The vertical stacking of multistorey channels is attributed to the growth of syndepositional blind-thrust anticlines on the basin floor. The overbank facies assemblages indicate basin-wide flows (tabular bed packages),

show abstract

Partial Ponding of Turbidite Systems in a Basin with Subtle Growth-Fold Topography: Laingsburg-Karoo, South Africa

Cited by 61 publications

References 28 publications

Palinspastic restoration of an exhumed deepwater system: A workflow to improve paleogeographic reconstructions

Palinspastic restoration of an exhumed deepwater system: A workflow to improve paleogeographic reconstructions

The Ormen Lange turbidite systems

Facies Anatomy of a Sand‐Rich Channelized Turbiditic System: The Eocene Kusuri Formation in the Sinop Basin, North‐Central Turkey

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