Stranded parasequences and the forced regressive wedge systems tract: deposition during base-level fall—reply

Hunt, David; Tucker, Maurice E.

doi:10.1016/0037-0738(94)00123-c

Cited by 277 publications

(337 citation statements)

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“…Seismic line in the Gulf of Mexico showing different genetic types of deposits (forced regressive, normal regressive, transgressive) and stratigraphic surfaces that may serve as sequence boundaries according to different sequence stratigraphic models (modified from Posamentier and Kolla, 2003). Abbreviations: FR -forced regressive; LNR -lowstand normal regressive; T -transgressive; SU -subaerial unconformity; CC* -correlative conformity sensu Posamentier and Allen, 1999 (= basal surface of forced regression); CC** -correlative conformity sensu Hunt and Tucker, 1992; MRSmaximum regressive surface; MFS -maximum flooding surface. The line displays the typical stacking patterns and stratal terminations associated with forced regression (offlap, downlap, toplap, truncation), normal regression (downlap, topset), and transgression (onlap).…”

Section: Limitations Of Seismic Datamentioning

confidence: 99%

“…Abbreviations: LST -lowstand systems tract; TST -transgressive systems tract; HST -highstand systems tract; FSST -falling-stage systems tract; RST -regressive systems tract; T-R -transgressive-regressive; CC * -correlative conformity sensu Posamentier and Allen (1999); CC ** -correlative conformity sensu Hunt and Tucker (1992); MFS -maximum flooding surface; MRS -maximum regressive surface. References for the proponents of the various sequence models are provided in Figure 3. in the context in which it was proposed and may provide the optimum approach under the right circumstances.…”

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Towards the standardization of sequence stratigraphy

Catuneanu

Abreu

Bhattacharya

et al. 2009

Earth-Science Reviews

1,244

726

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Part of the Earth Sciences CommonsThis Article is brought to you for free and open access by the Earth and Atmospheric Sciences, Department of at DigitalCommons@University of Nebraska -Lincoln. It has been accepted for inclusion in Papers in the Earth and Atmospheric Sciences by an authorized administrator of DigitalCommons@University of Nebraska -Lincoln. AbstractSequence stratigraphy emphasizes facies relationships and stratal architecture within a chronological framework. Despite its wide use, sequence stratigraphy has yet to be included in any stratigraphic code or guide. This lack of standardization reflects the existence of competing approaches (or models) and confusing or even conflicting terminology. Standardization of sequence stratigraphy requires the definition of the fundamental model-independent concepts, units, bounding surfaces and workflow that outline the foundation of the method. A standardized scheme needs to be sufficiently broad to encompass all possible choices of approach, rather than being limited to a single approach or model.A sequence stratigraphic framework includes genetic units that result from the interplay of accommodation and sedimentation (i.e., forced regressive, lowstand and highstand normal regressive, and transgressive), which are bounded by "sequence stratigraphic" surfaces. Each genetic unit is defined by specific stratal stacking patterns and bounding surfaces, and consists of a tract of correlatable depositional systems (i.e., a "systems tract"). The mappability of systems tracts and sequence stratigraphic surfaces depends on depositional setting and the types of data available for analysis. It is this high degree of variability in the precise expression of sequence stratigraphic units and bounding surfaces that requires the adoption of a methodology that is sufficiently flexible that it can accommodate the range of likely expressions. The integration of outcrop, core, well-log and seismic data affords the optimal approach to the application of sequence stratigraphy. Missing insights from one set of data or another may limit the "resolution" of the sequence stratigraphic interpretation. 1 2 c a t u n e a n u e t a l . i n e a r t h -science r e v i e w s 92 (2009)

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Section: Limitations Of Seismic Datamentioning

confidence: 99%

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confidence: 99%

Towards the standardization of sequence stratigraphy

Catuneanu

Abreu

Bhattacharya

et al. 2009

Earth-Science Reviews

1,244

726

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“…According to models as the ones of Hunt and Tucker (1992), Helland-Hansen and Gjelberg (1994), and Plint and Nummedal (2000), this record could be related to the forced-regressive system tract. However, the basal surface of forced regression and the regressive surface of marine erosion are not recognized in most of GPR sections and cores.…”

Section: System IVmentioning

confidence: 99%

High-Frequency Sequences in the Quaternary of Pelotas Basin (coastal plain): a record of degradational stacking as a function of longer-term base-level fall

Rosa

Barboza

Abreu³

et al. 2017

Braz. J. Geol.

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ABSTRACT:The aim of this work was to analyze the sedimentary record of the coastal plain of Pelotas Basin, placing it in the context of temporal and spatial scales, and proposing a stratigraphic hierarchical framework. The coastal plain, located in southern Brazil and in northern Uruguay, is mainly formed by four Quaternary barrier-lagoon systems. Three of these systems were studied through the integration of surface and subsurface data (geomorphological and topographical mapping, outcrops description, geoprocessing, dating and Ground Penetrating Radar -GPR -records) and interpreted as the preserved, onshore portion of depositional sequences mainly controlled by glacioeustatic cycles of about 100 kyr. The stacking pattern comprising these sequences is progradational with seaward downsteping (highest sea-levels measured: 9.5, 8 and 3 m, respectively), comprehending a degradational sequence set, or the regressive/ falling stage systems tract of a higher order depositional sequence identified in seismic sections, with about 0.5 Ma. The youngest sequence has diachronous systems tracts -while some sectors have already transitioned from the transgressive to the highstand/falling stage systems tract, others are still under a transgressive context. It indicates that, in this time and scale, the sea level is not the main control of coastal evolution, and autogenic factors are fundamental in the run of geological record. KEYWORDS:Barrier-Lagoon; Glacioeustasy; Diachronism of Systems Tracts; Ground Penetrating Radar; Rio Grande do Sul coastal evolution. RESUMO:

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“…The deposi tional sequences are bounded by unconformities and correlative conformities (c.f. Catuneanu, 2006) taking into account the scheme proposed by Hunt & Tucker (1992). Variations in stratal stacking patterns are mainly the result of different ratios between the rate of creation of accommodation space (A') and sedimentation rate (S'), which are not exclusively influenced by sea-level fluctuations.…”

Section: Seismic Stratigraphymentioning

confidence: 99%

Late Cenozoic shelf delta development and Mass Transport Deposits in the Dutch offshore area – results of 3D seismic interpretation

Benvenuti

Kombrink

Veen

et al. 2012

Netherlands Journal of Geosciences

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In this study, seismic stratigraphic criteria have been used to characterise the evolution of the Southern North Sea (SNS) shelf-delta system that progressively filled the Southern North Sea basin during Plio-Pleistocene times. Based on the prograding and down-stepping architecture of the shelf-delta sequence it is inferred that deposition occurred during a time of high sediment supply and overall sea-level lowering. During this time the delta slopes failed several times, creating at least 30 internally coherent Mass Transport Deposits (MTDs) mainly grouped in common areas, affecting the same clinoform set and partially sharing the basal shear surface (groups of MTDs). The most important features of the studied MTDs are 1) the dominance of brittle deformation; 2) the small amount of material removal from the headwall domain (lack of completely depleted areas above the basal shear surface); and 3) the lack of an emergent toe domain above the un-failed sediment located basinward, although proper confining geometries for the MTD are not detected. Therefore, the studied MTDs can neither be classified as frontally confined nor as frontally emergent but they are a new intermediate type of submarine landslides which has not been described before. These characteristics suggest that the mass movement ceased relatively soon after initiation of failure. Incisions on top of the MTDs suggest the presence of erosive flows. These flows were probably generated due to a concentration of the drainage in the negative morphology the failure event left behind in the upper sector of the slope. The stronger progradational character of the reflections on top of MTDs confirms a concentration of drainage after the erosional phase too. The interplay between high sediment supply and constant or even decreasing accommodation space (caused by constant or decreasing sealevel) is supposed to be the main precondition for slope instability for most of the MTDs in this study area. Slope failures themselves can also be considered a preconditioning factor by the creation of local very high sedimentation rates (see groups of MTDs). Salt-induced seismicity and storm waves' effect superimposed on high frequency sea level fall are considered the most important triggering factors

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Stranded parasequences and the forced regressive wedge systems tract: deposition during base-level fall—reply

Cited by 277 publications

References 6 publications

Towards the standardization of sequence stratigraphy

Towards the standardization of sequence stratigraphy

High-Frequency Sequences in the Quaternary of Pelotas Basin (coastal plain): a record of degradational stacking as a function of longer-term base-level fall

Late Cenozoic shelf delta development and Mass Transport Deposits in the Dutch offshore area – results of 3D seismic interpretation

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