Two Deltas, Two Basins, One River, One Sea: The Modern Volga Delta as an Analogue of the Neogene Productive Series, South Caspian Basin

Kroonenberg, S.B.; Alekseevski, N.I.; Aliyeva, E.; Allen, M.B.; Aybulatov, Denis; Babazadeh, Aliya D.; Badyukova, E. N.; Davies, Clare E.; Hinds, D.; Hoogendoorn, R.M.; Huseynov, D.; Ibrahimov, B.; Mamedov, P. Z.; Overeem, I.; Rusakov, G.V.; Suleymanova, S.; Свиточ, А.А.; Vincent, Stephen J.

doi:10.2110/pec.05.83.0231

Cited by 33 publications

(54 citation statements)

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“…Modern analogues to this system, where fluvial-dominated deltas prograde into shallow water basins with a near-horizontal shoreline trajectory, include the modern Burdekin delta (Fielding et al, 2005a) and the Neogene and modern Volga delta (Kroonenberg et al, 1997;Overeem et al, 2003;Hinds et al, 2004;Kroonenberg et al, 2005). These examples contain sharp-based mouth bars and distributary channels that cut into offshore mudstones, similar to some of the Phase II successions.…”

Section: A C C E P T E D Accepted Manuscriptmentioning

confidence: 99%

Depositional evolution of a progradational to aggradational, mixed-influenced deltaic succession: Jurassic Tofte and Ile formations, southern Halten Terrace, offshore Norway

Cappelle

Ravnås

Hampson

et al. 2017

Marine and Petroleum Geology

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Hightlights:• Core-based sedimentology of Jurassic deltaic strata from offshore Norway• Facies analysis of tide-influenced deltaic and estuarine petroleum reservoirs represented by an overall upward decrease in grain size, decrease in fluvial influence and increase in tidal influence. This evolution is attributed to an allogenic increase in the rate of accommodation space generation relative to sediment supply due to tectonic activity of the rift basin. In addition, during progradation, there was also an autogenic increase in sediment storage on the coastal plain, resulting in a gradual autoretreat of the depositional system. This is manifested in the subsequent aggradation of the system, when coarse-grained sandstones were trapped in proximal locations, while only finer grained sediment reached the coastline, where it was readily reworked by tidal and wave processes.

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Section: A C C E P T E D Accepted Manuscriptmentioning

confidence: 99%

Depositional evolution of a progradational to aggradational, mixed-influenced deltaic succession: Jurassic Tofte and Ile formations, southern Halten Terrace, offshore Norway

Cappelle

Ravnås

Hampson

et al. 2017

Marine and Petroleum Geology

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“…The large proportion of reworked elements in the Lokbatan samples is likely to indicate a predominantly palaeo-Volga sediment provenance. This is partly because of the sub-surface geology in the Pri-Caspian Basin, which includes widespread Permian, Triassic and Jurassic rocks (Kroonenberg et al, 2005) but also due to incision, erosion and re-deposition of Cretaceous and Cenozoic sediments in the present day north and mid-Caspian regions by the palaeo-Volga river. These reworked palynomorphs tend to be more common in samples which are mottled, reddened or contain root traces (e.g.…”

Section: Lokbatan Palynologymentioning

confidence: 99%

“…2). The palaeo-Volga river system, for instance, was incised by up to 600 m in places with the incision being traced almost 2000 km up its course (Kroonenberg et al, 2005).…”

Section: Introductionmentioning

confidence: 99%

Contrasting Pliocene fluvial depositional systems within the rapidly subsiding South Caspian Basin; a case study of the palaeo-Volga and palaeo-Kura river systems in the Surakhany Suite, Upper Productive Series, onshore Azerbaijan

Vincent

Davies

Richards

et al. 2010

Marine and Petroleum Geology

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“…The Miocene-Pliocene series include the group of formations known as the "Productive Series", which contain oil and gas accumulations in fluvio-deltaic sediments related to the paleo-Volga and paleo-Kura rivers (see Kalani et al 2008;Kroonenberg et al 2012). A subsequent increase in relative sea level resulted in the deposition of a ca.…”

Section: Regional Stratigraphymentioning

confidence: 99%

How to evacuate 10 km3 of mud: saturate with gas and decrease the pressure!

2014

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The crest of the Absheron anticline in the South Caspian Basin at a few hundred meters below the present seafloor shows a subcircular depression about 8 km in diameter and 200 m deep, bounded by steep edges dipping 15°to 45°into it. The depression and the surrounding series are respectively filled and overlain by a regional mass-transport deposit (MTD) 150 m thick outside the depression and 300 m thick inside, composed mostly of extensional blocks. Geometric and stratigraphic analyses indicate that 150 m of initially deposited sediment were removed from a closed area after burial. Seismic evidence of shallow gas accumulations below the crater-like feature suggests that gas likely played a significant role in its development. The model proposed for the emplacement of the crater is that the gas-bearing cover of a shallow gas reservoir underwent exsolution when its overburden thinned during an episode of extensional slope failure. This resulted in loss of resistance to shear and evacuation of the gas-bearing sediment, likely at the shearing base of the failed mass. This evacuation feature is considered an example where the presence of gas locally governs the morphology of an MTD. The interpreted process shows a positive feedback between slope failure and loss of strength at the base of the resulting MTD.

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Two Deltas, Two Basins, One River, One Sea: The Modern Volga Delta as an Analogue of the Neogene Productive Series, South Caspian Basin

Cited by 33 publications

References 0 publications

Depositional evolution of a progradational to aggradational, mixed-influenced deltaic succession: Jurassic Tofte and Ile formations, southern Halten Terrace, offshore Norway

Depositional evolution of a progradational to aggradational, mixed-influenced deltaic succession: Jurassic Tofte and Ile formations, southern Halten Terrace, offshore Norway

Contrasting Pliocene fluvial depositional systems within the rapidly subsiding South Caspian Basin; a case study of the palaeo-Volga and palaeo-Kura river systems in the Surakhany Suite, Upper Productive Series, onshore Azerbaijan

How to evacuate 10 km3 of mud: saturate with gas and decrease the pressure!

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