Characterization of Controls on High-Resolution Stratigraphic Architecture in Wave-Dominated Shoreface-Shelf Parasequences Using Inverse Numerical Modeling

Charvin, Karl; Hampson, Gary J.; Gallagher, Kerry; Storms, J.E.A.; Labourdette, Richard

doi:10.2110/jsr.2011.48

Cited by 34 publications

(22 citation statements)

References 39 publications

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“…However, quantitative limits have been placed on the range of values required for some controls. For example, end-member scenarios for the sediment supply parameters required to account for parasequence-set stacking are presented in Figure 11c and d. Numerical inverse modelling experiments have also demonstrated that solution sets can be generated for sediment-supply, relative sealevel and wave-climate histories for parasequences and parasequence sets (compare within Aberdeen Member of the Blackhawk Formation; Charvin et al 2011). Currently, the largest uncertainty in these components of a stratigraphic solution set for the Star Point-Blackhawk-lower Castlegate wedge results from the small number and poor accuracy of available age data.…”

Section: Discussionmentioning

confidence: 99%

Towards a sequence stratigraphic solution set for autogenic processes and allogenic controls: Upper Cretaceous strata, Book Cliffs, Utah, USA

Hampson

2016

JGS

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Upper Cretaceous strata exposed in the Book Cliffs of east-central Utah are widely used as an archetype for the sequence stratigraphy of marginal-marine and shallow-marine deposits. Their stratal architectures are classically interpreted in terms of accommodation controls that were external to the sediment routing system (allogenic), and that forced the formation of flooding surfaces, sequence boundaries, and parasequence and parasequence-set stacking patterns. Processes internal to the sediment routing system (autogenic) and allogenic sediment supply controls provide alternatives that can plausibly explain aspects of the stratal architecture, including the following: (1) switching of wave-dominated delta lobes, expressed by the internal architecture of parasequences; (2) river avulsion, expressed by the internal architecture of multistorey fluvial sandbodies and related deposits; (3) avulsion-generated clustering of fluvial sandbodies in delta plain strata; (4) 'autoretreat' owing to increasing sediment storage on the delta plain as it lengthened during progradation, expressed by progradational-toaggradational stacking of parasequences; (5) sediment supply control on the stacking of, and sediment grain-size fractionation within, parasequence sets. The various potential allogenic controls and autogenic processes are combined to form a sequence stratigraphic solution set. This approach avoids anchoring of sequence stratigraphic interpretations on a specific control and acknowledges the non-unique origin of stratal architectures.

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Section: Discussionmentioning

confidence: 99%

Towards a sequence stratigraphic solution set for autogenic processes and allogenic controls: Upper Cretaceous strata, Book Cliffs, Utah, USA

Hampson

2016

JGS

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“…The stratigraphic architecture of clinoforms sets, furthermore, provides a link in the understanding of how sediments are transported to deeper water settings (e.g., sediment partitioning between aggradational topset storage versus degradational topset bypass), as well as a physical record of the interplay between changes in sea-level, tectonics (uplift and subsidence), sediment supply, basin physiography, hydrodynamics, climate and other environmental forcing (e.g., Mitchum et al, 1977;McKee et al, 1983;Steel and Olsen, 2002;Bullimore et al, 2005;Løseth et al, 2006;Ponce et al, 2008;Helland-Hansen and Hampson, 2009;Neal and Abreu, 2009;Charvin et al, 2010Charvin et al, , 2011Patruno et al, 2015c;Reeve et al, 2016;Pellegrini et al, 2017).…”

Section: Sequence Stratigraphic Significancementioning

confidence: 99%

“…While every bed-scale dipping surface in a delta-front or shoreface succession defines a clinoform, most individual delta-scale clinoforms that are visible in outcrops, detectable in cores and/or resolvable in seismic reflect stratigraphic discontinuities and/or variations in cementation or sandstone/shale content. These are driven by enhanced wave scour/erosion or sediment starvation/hiatus, which in turns reflect minor variations in river feeder discharge, relative sea-level, sediment supply and/or wave climate, with highly variable temporal scale significance (Hampson, 2000;Hampson and Storms, 2003;Roberts and Sydow, 2003;Gerber et al, 2008;Charvin et al, 2011;Zecchin and Catuneanu, 2013;Patruno et al, 2015bPatruno et al, , 2015cAinsworth et al, 2017). Regressive transits of delta-scale clinoforms generates the typical "parasequences" in marginal to shallow-marine successions (corresponding to a clinoform set), whereas repeated, high-frequency regressive-transgressive cross-shelf transits determines the stratigraphic architecture of shelves and shelf-edge clinothems (see later) (Van Wagoner et al, 1990;Burgess and Hovius, 1998;Johannessen and Steel, 2005;Olariu and Steel, 2009;HellandHansen et al, 2012).…”

Section: Delta Scale Clinoformsmentioning

confidence: 99%

Clinoforms and clinoform systems: Review and dynamic classification scheme for shorelines, subaqueous deltas, shelf edges and continental margins

Patruno

Helland‐Hansen

2018

Earth-Science Reviews

185

166

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A B S T R A C TClinoforms are inclined and normally basinward-dipping horizons developed over a range of spatial and temporal scales in both siliciclastic and carbonatic systems. The study of clinoform successions underpins sequence stratigraphy and all efforts to reconstruct the relative partitioning of reservoir, seal and source rocks along shoreline to basin-floor profiles.Here, we review clinoform research and propose a more systematic description and classification of clinoforms. This is a crucial step to improve predictions of facies and lithology distribution within shoreline to continental shelf and abyssal plain successions, together with the genesis, drivers and dynamics of their constituent sedimentary units.Four basic clinoform types are here distinguished in delta/shorelines, lacustrines and marine environments, on the basis of their overall spatial and temporal scale, morphology, outbuilding dynamic and geodynamic and depositional setting: (1, 2) delta-scale clinoforms, which in turns are sub-divided into shoreline and delta-scale subaqueous clinoforms; (3) shelf-edge clinoforms; and (4) continental-margin clinoforms. Delta-scale clinoform sets are tens of metres high and typically represent 1-10 3 kyr, with progradation rates ranging from 1,000-100,000 m/kyr for shorelines and "subaerial deltas" to 100-20,000 m/kyr for subaqueous deltas; shelfedge clinoform sets are hundreds of metres high and are nucleated and accreted in 0.1-20 Myr (usual progradation rates of 1-100 m/kyr) by successive cross-shelf transits of delta-scale clinoforms; continental-margin clinoform sets are thousands of metres high, hallmark key geodynamic/crustal boundaries (e.g., continent/ocean transition) and slowly prograde basinwards in ca. 5-100 Myr, with typical rates of 0.1-10 m/kyr. As a consequence of the very different progradation rates and of the difficulty of large-scale clinothems to backstep during transgressions, shorelines are the most dynamic clinoforms with regards to position, continental margins the least, and shelf-edges are intermediate. Shortly after a transgression, therefore, the four clinoform types may prograde synchronously along shoreline-to-abyssal plain transects, forming "compound clinoform" systems. During the subsequent regressive cycle, however, due to the dissimilarity in progradation rates, different clinoform types will normally merge progressively with each other, giving rise to "hybrid clinoforms" (e.g., shelf-edge deltas), and fewer depositional breaks-in-slope are distinguished along a single shoreline-toabyssal plain transect. Overall, all clinoform systems are the result of the dynamic evolution of compound and hybrid clinoforms along a temporal and spatial continuum, regulated by the cyclical backstepping of the smallerscale system within natural progradational-retrogradational cycles of larger-scale clinothem outbuilding.All clinothem types may show either an accretionary/active or draping/passive style, depending on the proximity to the sediment source. Draping clinothems are nearly...

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“…This relationship is similar to that observed in the investigated outcrops (Figures 10a, 10b). Charvin et al (2011) used inverse modelling to demonstrate how variations in relative sealevel changes, sediment supply and wave-regime influences stratigraphic architecture in wave-dominated shallow-marine deposits at intra-parasequence scale in the Aberdeen A0 and A1 parasequences of the Blackhawk Formation (Figure 2). The results showed that the gross architecture is controlled by relative sea-level and sediment supply, while variations in wave climate controlled localized variations in sandbody thickness.…”

Section: Controls On Sedimentary Architecturementioning

confidence: 99%

Distribution of discontinuous mudstone beds within wave-dominated shallow-marine deposits: Star Point Sandstone and Blackhawk Formation, Eastern Utah, USA

Eide¹,

Howell²,

Buckley³

2017

Preprint

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Deposits of wave-dominated shorelines are typically considered to act as relatively simple hydrocarbon reservoirs and are commonly modeled as "tanks of sand". However, important heterogeneities that can act as barriers to fluid flow occur at the parasequence, bedset and bed scales, especially in viscous oil or low permeability oil fields. Heterogeneities at the parasequence and bedset scale have been well-studied, but discontinuous mudstone-beds occurring within the shoreface have received little attention.The Book Cliffs and Wasatch Plateau are among the best exposed and most well-studied deposits of wave-dominated shallow-marine systems in the world. Two parasequences within these outcrops have been studied in detail to investigate the distributions of intrashoreface shales and to propose models for the controls on their distribution. A dataset consisting of 30 km of virtual outcrops derived from oblique helicopter-mounted lidar scanning with supporting stratigraphic sections makes it possible to collect a large quantity of accurate geometric data of depositional elements from inaccessible cliffs.A total of 921 discontinuous mudstone beds were measured. These occur as ellipses with long axes oriented normal to the paleoshoreline. Lengths and widths of these mudstone beds exhibit a lognormal distribution, with means of 21.9 and 13.8 m respectively. Within the shoreface succession, the number of mudstone beds increases downwards while size does not vary significantly with stratigraphic height. There is an average of 100 m cumulative length of shale per 100m of horizontal outcrop; this increases threefold near both wave-dominated deltas and bedset boundaries that reflect minor sea-level fluctuations during progradation.

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Characterization of Controls on High-Resolution Stratigraphic Architecture in Wave-Dominated Shoreface-Shelf Parasequences Using Inverse Numerical Modeling

Cited by 34 publications

References 39 publications

Towards a sequence stratigraphic solution set for autogenic processes and allogenic controls: Upper Cretaceous strata, Book Cliffs, Utah, USA

Towards a sequence stratigraphic solution set for autogenic processes and allogenic controls: Upper Cretaceous strata, Book Cliffs, Utah, USA

Clinoforms and clinoform systems: Review and dynamic classification scheme for shorelines, subaqueous deltas, shelf edges and continental margins

Distribution of discontinuous mudstone beds within wave-dominated shallow-marine deposits: Star Point Sandstone and Blackhawk Formation, Eastern Utah, USA

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