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  • 1
    Call number: 9/M 07.0421(444)
    In: Geological Society special publication
    Type of Medium: Monograph available for loan
    Pages: 426 Seiten , Illustrationen, Diagramme, Karten , 26 cm
    ISBN: 1786202743 , 9781786202741
    Series Statement: Geological Society special publication 444
    Classification:
    Sedimentology
    Language: English
    Branch Library: GFZ Library
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  • 2
    Keywords: sedimentology ; reservoirs ; basins
    Description / Table of Contents: Introduction to the sedimentology of paralic reservoirs: recent advances / Gary J. Hampson, Antony D. Reynolds, Boris Kostic and Martin R. Wells / Geological Society, London, Special Publications, 444, 1-6, 9 May 2017, https://doi.org/10.1144/SP444.14 --- Subsurface characterization of paralic reservoirs --- Paralic reservoirs / Antony D. Reynolds / Geological Society, London, Special Publications, 444, 7-34, 20 July 2016, https://doi.org/10.1144/SP444.10 --- Stratigraphic architecture of the Knarr Field, Norwegian North Sea: sedimentology and biostratigraphy of an evolving tide- to wave-dominated shoreline system / James M. Churchill, Matthew T. Poole, Silje S. Skarpeid and Matthew I. Wakefield / Geological Society, London, Special Publications, 444, 35-58, 12 August 2016, https://doi.org/10.1144/SP444.4 --- Challenges in characterizing subsurface paralic reservoir geometries: a detailed case study of the Mungaroo Formation, North West Shelf, Australia / G. Heldreich, J. Redfern, B. Legler, K. Gerdes and B. P. J. Williams / Geological Society, London, Special Publications, 444, 59-108, 8 May 2017, https://doi.org/10.1144/SP444.13 --- Analysis of floodplain sedimentation, avulsion style and channelized fluvial sandbody distribution in an upper coastal plain reservoir: Middle Jurassic Ness Formation, Brent Field, UK North Sea / Yvette S. Flood and Gary J. Hampson / Geological Society, London, Special Publications, 444, 109-140, 29 June 2016, https://doi.org/10.1144/SP444.3 --- Tidal heterogeneity in paralic systems --- Deflection of the progradational axis and asymmetry in tidal seaway and strait deltas: insights from two outcrop case studies / Sergio G. Longhitano and Ron J. Steel / Geological Society, London, Special Publications, 444, 141-172, 13 July 2016, https://doi.org/10.1144/SP444.8 --- Tidally influenced shoal water delta and estuary in the Middle Jurassic of the Søgne Basin, Norwegian North Sea: sedimentary response to rift initiation and salt tectonics / Donatella Mellere, Aruna Mannie, Sergio Longhitano, Mike Mazur, Hyelni Kulausa, Samme Brough and James Cotton / Geological Society, London, Special Publications, 444, 173-213, 21 September 2016, https://doi.org/10.1144/SP444.11 --- Sedimentology and stratigraphic architecture of a Miocene retrogradational, tide-dominated delta system: Balingian Province, offshore Sarawak, Malaysia / Meor H. Amir Hassan, Howard D. Johnson, Peter A. Allison and Wan H. Abdullah / Geological Society, London, Special Publications, 444, 215-250, 30 August 2016, https://doi.org/10.1144/SP444.12 --- Stratigraphic evolution of an estuarine fill succession and the reservoir characterization of inclined heterolithic strata, Cretaceous of southern Utah, USA / Cari L. Johnson, L. Stright, R. Purcell and P. Durkin / Geological Society, London, Special Publications, 444, 251-286, 29 June 2016, https://doi.org/10.1144/SP444.1 --- Recognizing seasonal fluvial influence in ancient tidal deposits / Annalize Q. McLean and Brent Wilson / Geological Society, London, Special Publications, 444, 287-303, 13 July 2016, https://doi.org/10.1144/SP444.6 --- Analogue studies --- Evolution and architectural styles of a forced-regressive Holocene delta and megafan, Mitchell River, Gulf of Carpentaria, Australia / T. I. Lane, R. A. Nanson, B. K. Vakarelov, R. B. Ainsworth and S. E. Dashtgard / Geological Society, London, Special Publications, 444, 305-334, 7 July 2016, https://doi.org/10.1144/SP444.9 --- Transgressive successions of the Mahakam Delta Province, Indonesia / Joseph J. Lambiase, Ridha S. Riadi, Nadia Nirsal and Salahuddin Husein / Geological Society, London, Special Publications, 444, 335-348, 29 June 2016, https://doi.org/10.1144/SP444.2 --- Time–space variability of paralic strata deposited in a high accommodation, high sediment supply setting: example from the Cretaceous of Utah / Julia S. Mulhern and Cari L. Johnson / Geological Society, London, Special Publications, 444, 349-392, 29 June 2016, https://doi.org/10.1144/SP444.7 --- Anatomy of a mixed-influence shelf edge delta, Karoo Basin, South Africa / Luz E. Gomis-Cartesio, Miquel Poyatos-Moré, Stephen S. Flint, David M. Hodgson, Rufus L. Brunt and Henry DeV. Wickens / Geological Society, London, Special Publications, 444, 393-418, 14 July 2016, https://doi.org/10.1144/SP444.5
    Pages: Online-Ressource (VI, 426 Seiten) , Illustrationen, Diagramme, Karten
    ISBN: 9781786202741
    Language: English
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  • 3
    ISSN: 1365-3091
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences
    Notes: Due to a lack of modern analogues, debate surrounds the importance of tides in ancient epi-continental seas. However, numerical modelling can provide a quantitative means of investigating palaeo-tidality without recourse to analogues. Finite element modelling of the European Upper Carboniferous epi-continental seaway predicts an exceedingly low Lunar tidal range (ca 5 cm in the open water regions of the UK and Southern North Sea). The Imperial College Ocean Model (ICOM) uses finite element methods and an unstructured tetrahedral mesh that is computationally very efficient. The accuracy and sensitivity of ICOM tidal range predictions were tested using bathymetric data from the present-day Mediterranean Sea. The Mediterranean Sea is micro-tidal and varies in depth up to 5·4 km with an average depth of 1–2 km. ICOM accurately predicts the tidal range given both a realistic, but smoothed, bathymetry and a straight sided basin with a uniform depth of 1 km. Variation in uniform depth from 100 to 3000 m with and without islands consistently predicts micro-tidality, demonstrating that the model is robust and the effect of bathymetric uncertainty on model output is relatively small. The extremely low tidal range predicted for the European Upper Carboniferous is thus deemed robust. Putative Upper Carboniferous tidal deposits have been described in the UK and southern North Sea, but are represented by cyclic rhythmites and are limited to palaeo-estuaries. Calculations based on an embayed coast model show that the tidal range could have been amplified to ca 1 m in estuaries and that this is sufficient to form cyclic rhythmites. Without tidal mixing, the tropical equatorial heat and salinity enhancement would promote stratification in the open water body. The introduction of organic matter probably caused anoxia, biotic mortality and carbon accumulation, as evidenced by numerous black ‘marine-band’ shales.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Science Ltd
    Sedimentology 50 (2003), S. 0 
    ISSN: 1365-3091
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences
    Notes: Abstract Physical stratigraphy within shoreface-shelf parasequences contains a detailed, but virtually unstudied, record of shallow-marine processes over a range of historical and geological timescales. Using high-quality outcrop data sets, it is possible to reconstruct ancient shoreface-shelf morphology from clinoform surfaces, and to track the evolving morphology of the ancient shoreface-shelf. Our results suggest that shoreface-shelf morphology varied considerably in response to processes that operate over a range of timescales. (1) Individual clinoform surfaces form as a result of enhanced wave scour and/or sediment starvation, which may be driven by minor fluctuations in relative sea level, sediment supply and/or wave climate over short timescales (101−103 years). These external controls cannot be distinguished in vertical facies successions, but may potentially be differentiated by the resulting clinoform geometries. (2) Clinoform geometry and distribution changes systematically within a single parasequence, reflecting the cycle in sea level and/or sediment supply that produced the parasequence (102−105 years). These changes record steepening of the shoreface-shelf profile during early progradation and maintenance of a relatively uniform profile during late progradation. Modern shorefaces are not representative of this stratigraphic variability. (3) Clinoform geometries vary greatly between different parasequences as a result of variations in parasequence stacking pattern and relict shelf morphology during shoreface progradation (105−108 years). These controls determine the external dimensions of the parasequence.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1365-3121
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences
    Notes: Progradational shoreface tongues preserve a near-complete depositional record of relative sea-level highstands, falls and lowstands. Two distinct styles of progradational shoreface tongue are examined in an extensive outcrop and subsurface dataset from Late Cretaceous strata of the Book Cliffs area, Utah, representing (i) highstand through attached lowstand progradation and (ii) highstand through detached lowstand progradation. Using this dataset, key geometrical attributes of the shoreface tongues and their internal facies architecture are identified and quantified that enable the reconstruction of relative sea-level fall history. For example, attached, wave-dominated lowstand shoreface deposits record a slow (0.2– 0.3 mm yr–1), low-magnitude (〉 14 m) relative sea-level fall punctuated by minor rises. Detached, weakly wave-influenced lowstand shoreface deposits record a more rapid (0.4–0.5 mm yr–1), high-magnitude (〉 45 m) relative sea-level fall synchronous with a marked change in sediment delivery and depositional process regime at the shoreline.
    Type of Medium: Electronic Resource
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  • 6
    Publication Date: 2011-08-01
    Description: A new inverse numerical modeling method is used to constrain the environmental parameters (e.g., relative-sea-level, sediment-supply, and wave climate histories) that control stratigraphic architecture in wave-dominated shallow-marine deposits. The method links a "process-response" forward stratigraphic model that simulates wave and storm processes (BARSIM) to a combination of inverse methods formulated in a Bayesian framework that allows full characterization of uncertainties. This method is applied for the first time to a real geologic dataset, collected at outcrop from two shoreface-shelf parasequences in the Aberdeen Member, Blackhawk Formation of the Book Cliffs, east-central Utah, USA. The environmental parameters that controlled the observed stratigraphic architecture are quantified, and key aspects of stratigraphic architecture are successfully predicted from limited data. Stratigraphic architecture at parasequence-stacking and intra-parasequence scales was driven principally by relative sea level (varying by up to about 55 m) and sediment supply (varying by up to 70 m2/yr), whose interplay determines the shoreline trajectory. Within zones of distinctive shoreline trajectory, variations in wave climate (of up to about 3 m in fairweather-wave height) controlled superimposed variations in sandstone and shale content (e.g., the development of upward-coarsening and upward-fining bedsets). The modeling results closely match the observed stratigraphic architecture, but their quality is limited by: (1) the formulation and assumptions of the forward-modeling algorithms, and (2) the observed data distribution and quality, which provide poor age constraint.
    Print ISSN: 1527-1404
    Topics: Geosciences
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  • 7
    Publication Date: 2011-07-01
    Description: The upper part of the Almond Formation records the overall retreat of a wave-dominated shoreline and associated lagoons or bays. Exposures of these strata on the eastern flank of the Rock Springs Uplift, Wyoming, U.S.A., enable analysis of their stratigraphic architectures along sections oriented oblique to depositional strike. The upper Almond Formation comprises at least nine vertically stacked regressive-transgressive cycles. The regressive component of each cycle consists of thick (up to 22 m), laterally continuous wave-dominated shoreface and overlying coastal-plain deposits that occur in paleoseaward locations and have abrupt ( 〈 400 m) paleolandward pinchouts. The transgressive component of each cycle consists of one or more bay-fill successions that occur in paleolandward locations and gradually thin in a paleoseaward direction. Transgressive bay-fill deposits in each cycle are thick (up to 18 m) and associated with preservation of surfaces that record, in progressively paleoseaward locations: initiation of a lagoon or bay (transgressive surface), erosional retreat of tidal-inlet channels (tidal ravinement surface) and the shoreface (wave ravinement surface), and marine flooding (marine flooding surface). This architecture records regression of a strandplain or wave-dominated delta, and subsequent transgression of a barrier island and spit with associated lagoon or bay. The occurrence of such thick and fully preserved bay-fill successions indicates that accretionary transgressive shoreline trajectories were developed. Strongly-aggradational-to-weakly-retrogradational stacking of successive regressive-transgressive cycles results in a layered stratigraphic architecture, with laterally continuous shoreface sandstone layers interbedded with bay-fill shale layers. Shoreface sandstones layers pinch out up-dip abruptly ( 〈 400 m) into bay-fill shales and have limited vertical connectivity. Sandstones within bay-fill and coastal-plain deposits occur as small, laterally discontinuous bodies of variable geometry and connectivity. However, these sandstones may provide additional connectivity where they erode through bay-fill shales between two shoreface sandstone layers.
    Print ISSN: 1527-1404
    Topics: Geosciences
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  • 8
    Publication Date: 2011-05-01
    Description: Fluviodeltaic stratigraphic architecture and its impact on fluid flow have been characterized using a high-resolution, three-dimensional, reservoir-scale model of an outcrop analog from the Upper Cretaceous Ferron Sandstone Member of central Utah. The model contains two parasequence sets (delta complexes), each with five or six parasequences, separated by an interval of coastal plain strata. Each parasequence contains one or two laterally offset teardrop-shaped delta lobes that are 6 to 12 km (4-7 mi) long, 3 to 9 km (2-6 mi) wide, 5 to 29 m (16-95 ft) thick, and have aspect ratios (width/length) of 0.4 to 0.8. Delta lobes have a wide range of azimuthal orientations (120{degrees}) around an overall east-northeastward progradation direction. In plan view, delta lobes in successive parasequences exhibit large (as much as 91{degrees}) clockwise and counterclockwise rotations in progradation direction, which are attributed to autogenic lobe switching. In cross-sectional view, parasequence stacking is strongly progradational, but a small component of aggradation or downstepping between parasequences reflects relative sea level fluctuations. We use flow simulations to characterize the impact of this heterogeneity on production in terms of the sweep efficiency, which is controlled by (1) the continuity, orientation, and permeability of channel-fill sand bodies; (2) the vertical permeability of distal delta-front heteroliths; (3) the direction of sweep relative to the orientation of channel-fill and delta-lobe sand bodies; and (4) well spacing. Distributary channel-fill sand bodies terminate at the apex of genetically related delta lobes and provide limited sand body connectivity. In contrast, fluvial channel-fill sand bodies cut into, and connect, multiple delta-lobe sand bodies. Low, but non-zero, vertical permeability within distal delta-front heteroliths also provides connectivity between successive delta-lobe sand bodies.
    Print ISSN: 0149-1423
    Electronic ISSN: 0149-1423
    Topics: Geosciences
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  • 9
    Publication Date: 2011-03-01
    Description: The sequence stratigraphic architectures of shallow-marine deposits in the upper Cretaceous Star Point Sandstone are analyzed over a large (c. 100 km), nearly continuous outcrop section aligned oblique to depositional strike. The unit consists of five parasequences that predominantly comprise wave-dominated shoreface-shelf deposits. Two parasequences contain riverdominated delta-front deposits locally. Within each parasequence, wave-dominated shoreface-shelf deposits record 7-45 km of ESE- to ENE-directed progradation of a linear to moderately lobate shoreline that was supplied with sediment by longshore drift and subjected to strong offshore sediment transport by storms. Wave-dominated shoreface sandstones in each parasequence thin and wedge out over short distances ( 〈 500 m) at their updip pinchouts. Lower-shoreface sandstones in each parasequence split down dip into multiple, vertically stacked, upward-coarsening bedsets separated by tongues of offshore mudstones in distal locations associated with rapid deepening of antecedent paleobathymetry. River-dominated delta-front deposits define progradation of strongly lobate shorelines in an overall direction oriented subparallel to the regional shoreline trend and into locations sheltered from wave energy. These progradation directions are consistent with deflection of the deltas by wave-driven longshore currents. The arrangement of parasequences in the Star Point Sandstone defines an overall concave-landward shoreline trajectory, with decreasing progradation and increasing aggradation through time. Along-strike variations in this trajectory pattern reflect increased tectonic subsidence towards the north combined with highly localized, large-volume, fluvial sediment supply near the northwestern limit of the study area during deposition of an areally extensive (〉 800 km2) river-dominated delta-front complex (Panther Tongue). This highly focused fluvial sediment flux probably occurred via a structurally controlled sediment entry point between two active thrusts.
    Print ISSN: 1527-1404
    Topics: Geosciences
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  • 10
    Publication Date: 2011-05-01
    Description: The Pereriv Suite reservoir in the Azeri culmination of the ACG Oilfield is characterized by laterally continuous layers of variable net-to-gross (NTG) ratio deposited in a channel-dominated, fluvio-deltaic environment. The reservoir is being developed by down-dip water injection, with up-dip gas injection on the more steeply dipping central north flank. We use high-resolution models derived from outcrop analogue and subsurface data to demonstrate that four key sedimentological heterogeneities control recovery in both oil-water and gas-oil displacements: (1) local variations in NTG within low NTG ( 85%) layers; (3) sinuosity and (4) stacking pattern of channel-fill sandbodies in low NTG layers. The first three heterogeneities control sandbody connectivity; the fourth controls sweep efficiency in the connected sandbodies. Two further heterogeneities control recovery in gas-oil displacements in high NTG layers: (5) vertical-to-horizontal permeability ratio of channel-fill sandbodies and (6) mud clast lags at channel bases. Models which omit these small-scale features predict that sedimentological heterogeneity has little impact on water-oil or gas-oil displacements in high NTG layers, but fail to capture the effect of heterogeneity on the gravity stability of the gas-oil displacement, which significantly impacts on recovery.
    Print ISSN: 1354-0793
    Topics: Chemistry and Pharmacology , Geosciences
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