Academic literature on the topic 'Resedimented carbonates'

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Journal articles on the topic "Resedimented carbonates"

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Rožič, Boštjan, Tea Kolar Jurkovšek, Petra Žvab Rožič, and Luka Gale. "Sedimentary record of subsidence pulse at the Triassic/Jurassic boundary interval in the Slovenian Basin (eastern Southern Alps)." Geologica Carpathica 68, no. 6 (2017): 543–61. http://dx.doi.org/10.1515/geoca-2017-0036.

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AbstractIn the Alpine Realm the Early Jurassic is characterized by the disintegration and partial drowning of vast platform areas. In the eastern part of the Southern Alps (present-day NW Slovenia), the Julian Carbonate Platform and the adjacent, E-W extending Slovenian Basin underwent partial disintegration, drowning and deepening from the Pliensbachian on, whereas only nominal environmental changes developed on the large Dinaric (Friuli, Adriatic) Carbonate Platform to the south (structurally part of the Dinarides). These events, however, were preceded by an earlier - and as yet undocumented extensional event - that took place near the Triassic/Jurassic boundary. This paper provides evidence of an accelerated subsidence from four selected areas within the Slovenian Basin, which show a trend of eastwardly-decreasing deformation. In the westernmost (Mrzli vrh) section - the Upper Triassic platform-margin - massive dolomite is overlain by the earliest Jurassic toe-of-slope carbonate resediments and further, by basin-plain micritic limestone. Further east (Perbla and Liščak sections) the Triassic-Jurassic transition interval is marked by an increase in resedimented carbonates. We relate this to the increasing inclination and segmentation of the slope and adjacent basin floor. The easternmost (Mt. Porezen) area shows a rather monotonous, latest Triassic-Early Jurassic basinal sedimentation. However, changes in the thickness of the Hettangian-Pliensbachian Krikov Formation point to a tilting of tectonic blocks within the basin area. Lateral facies changes at the base of the formation indicate that the tilting occurred at and/or shortly after the Triassic/Jurassic boundary
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Floquet, Marc, and Jérôme Hennuy. "Anatomy of resedimented carbonates in the latest Turonian -earliest Coniacian South-Provencal Basin." Géologie Méditerranéenne 28, no. 1 (2001): 67–71. http://dx.doi.org/10.3406/geolm.2001.1692.

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Rubert, Yolaine, Mohamed Jati, Corinne Loisy, Adrian Cerepi, Gjergji Foto, and Kristaq Muska. "Sedimentology of resedimented carbonates: Facies and geometrical characterisation of an upper Cretaceous calciturbidite system in Albania." Sedimentary Geology 257-260 (June 2012): 63–77. http://dx.doi.org/10.1016/j.sedgeo.2012.02.009.

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Krische, Oliver, Špela Goričan, and Hans-Jürgen Gawlick. "Erosion of a Jurassic ophiolitic nappe-stack as indicated by exotic components in the Lower Cretaceous Rossfeld Formation of the Northern Calcareous Alps (Austria)." Geologica Carpathica 65, no. 1 (2014): 3–24. http://dx.doi.org/10.2478/geoca-2014-0001.

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Abstract The microfacies and biostratigraphy of components in mass-flow deposits from the Lower Cretaceous Rossfeld Formation of the Northern Calcareous Alps in Austria were analysed. The pebbles are classified into six groups: 1) Triassic carbonates (uppermost Werfen to basal Gutenstein Formations), 2) Upper Jurassic to lowermost Cretaceous carbonates (Oberalm Formation and Barmstein Limestone), 3) contemporaneous carbonate bioclasts (?Valanginian to ?Hauterivian), 4) siliceous pebbles (radiolarites, ophicalcites, siliceous deep-sea clays, cherts), 5) volcanic and ophiolitic rock fragments and 6) siliciclastics such as quartz-sandstones and siltstones. The radiolarites show three age groups: Ladinian to Early Carnian, Late Carnian/Norian and Late Bajocian to Callovian. The Middle Triassic radiolarites are interpreted as derived from the Meliata facies zone or from the Neotethys ocean floor, whereas the Late Triassic radiolarites give evidence of the sedimentary cover of the Neotethys ocean floor. During late Early to early Late Jurassic, the Triassic to Early/Middle Jurassic passive margin of the Neotethys attained a lower plate position and became obducted by the accreted ocean floor of the Neotethys Ocean. The accreted ocean floor was contemporaneously eroded and resedimented in different deep-water basins in front of the nappe-stack. These basin fills were subsequently incorporated in the orogen forming mélanges in this complex ophiolitic nappe-stack. The Middle Jurassic radiolarites are interpreted as the matrix of these mélanges. Together with the volcanic and ophiolitic material the siliceous rocks were eroded from this ophiolitic nappe-stack in Early Cretaceous times and brought by a fluvial system to the Rossfeld Basin within the Tirolic realm of the Northern Calcareous Alps. The different fining-upward sequences in the succession of the Lower Cretaceous Rossfeld Formation can be best explained by sea-level fluctuations and decreasing tectonic activity in the Jurassic orogen
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Robertson, A. H. F. "Origin and emplacement of an inferred late Jurassic subduction-accretion complex, Euboea, eastern Greece." Geological Magazine 128, no. 1 (1991): 27–41. http://dx.doi.org/10.1017/s0016756800018021.

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AbstractIn northern Euboea, central eastern Greece, an up to 3 km-thick polygenetic melange (Pagondas complex) is structurally interleaved between a Triassic–Jurassic carbonate platform (Pelagonian Zone) and an overriding harzburgitic ophiolite. The melange mainly comprises late Triassic shallow-water limestone and calciturbidites, radiolarites, Triassic–Jurassic tholeiites, alkaline basalts and minor andesites. The units concerned range from kilometre-sized thrust sheets, and detached blocks, to broken formation and structureless, or bedded matrix-supported conglomerates (diamictite). The melange includes remnants of Neotethyan oceanic lithosphere, overlain by radiolarites, hemipelagic carbonates and distal calciturbidites derived from a Mesozoic carbonate platform. Tholeiites were erupted at a Triassic–Jurassic spreading axis, whilst within-plate-type alkali basalts are interpreted mainly as seamounts. Kilometre-scale detached blocks of shallow-water coralline limestone are identified as collapsed atolls, formed within an ocean and/or along the rifted continental margin. Volcaniclastic sediments are locally interbedded with radiolarite, and reflect post-volcanic erosion of the ocean floor. Intra-oceanic convergence began, apparently in late early Jurassic time, giving rise to the Euboea ophiolite above an inferred westwards-dipping subduction zone. The Pagondas Complex then developed as an accretionary prism. The subduction trench later collided with the Pelagonian passive margin, driving the hot Euobea ophiolite over the accretionary complex, to produce amphibolites and greenschists of the metamorphic sole. Trench–margin collision then drove the entire supra-subduction zone complex, apparently eastwards, downflexing the Pelagonian carbonate platform to form a foredeep in which late Jurassic (Kimmeridgian–Tithonian) radiolarian sediments accumulated. During emplacement, the accretionary complex was disrupted and partly resedimented as debris flows, turbiditic volcaniclastic sandstone and shale in a foredeep, or foreland basin setting.
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Hairabian, Alex, Jean Borgomano, Jean-Pierre Masse, and Sergio Nardon. "3-D stratigraphic architecture, sedimentary processes and controlling factors of Cretaceous deep-water resedimented carbonates (Gargano Peninsula, SE Italy)." Sedimentary Geology 317 (March 2015): 116–36. http://dx.doi.org/10.1016/j.sedgeo.2014.11.001.

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Rožič, Boštjan. "Perbla and Tolmin formations: revised Toarcian to Tithonian stratigraphy of the Tolmin Basin (NW Slovenia) and regional correlations." Bulletin de la Société Géologique de France 180, no. 5 (2009): 411–30. http://dx.doi.org/10.2113/gssgfbull.180.5.411.

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Abstract The succession of the Tolmin Basin forms the foothills of the Julian Alps in northwestern Slovenia. In the Jurassic, it was part of the southern Tethyan passive continental margin. The basin was located between the Dinaric Carbonate Platform in the south and the Julian High in the north. Six sections were studied that encompass the stratigraphic interval from the Toarcian to the lower Tithonian. The basinal background deposits are generally marl, siliceous limestone, and radiolarian chert, whereas in the southern part of the basin resedimented limestones occur. The studied succession lies between the Lower Jurassic Krikov Formation (resedimented and hemipelagic limestones) below and upper Tithonian to Neocomian Biancone Limestone above. Two formations are described in this paper: (1) The Toarcian Perbla Formation was introduced by Cousin [1973] and is revised herein. It is composed of marl and subordinate calcareous shale with rare intercalated calciturbidites. The material was redeposited only within the basin or from its marginal parts. The thickness of the formation varies significantly through the basin from 2 to 135 metres; (2) The Tolmin Formation is herein defined. It is divided into two members. The lower member (Aalenian to lower Bajocian) consists of siliceous limestone and rare chert, whereas the upper member (upper Bajocian to lower Tithonian) is composed of radiolarian chert that locally in the upper part contains abundant marl intercalations. In the southern part of the basin, two intervals of resedimented limestones occur in the Tolmin Formation. The lower interval (lower Bajocian to lower Callovian) is dominated by calcarenite (rich in peloids and ooids) and limestone breccias. The upper interval (upper Kimmeridgian to lower Tithonian) is characterized by calcarenite, composed mostly of intraclasts and bioclasts. The source area of the carbonate material was the Dinaric Carbonate Platform. The correlation of the background sediments with other basins of the western Tethys reveals that (1) the late Toarcian decrease in terrigenous input, the Bajocian change from calcareous to siliceous sedimentation and the late Tithonian onset of carbonate sedimentation are regional and (2) the silica content in the Tolmin Basin was higher than that in the western basins (e.g. the Belluno, Lombardian, Umbria-Marche and Subbetic basins) but lower than that in the Budva Basin. The Bajocian to Callovian resedimented limestones of the Tolmin Basin are much thinner than the corresponding deposits in the Belluno and Budva basins (25 metres vs. up to 600 metres) that bordered the Dinaric Carbonate Platform on the west and southwest respectively. This difference confirms the previously proposed interpretation that most of the carbonate production from the Dinaric Carbonate Platform was transported towards the southwest.
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ΚΑΤΗ, Μ. "Toe-of-slope facies of the Eocene limestones in Aghioi Pantes sequence (Zakynthos island, Western Greece)." Bulletin of the Geological Society of Greece 34, no. 2 (2018): 699. http://dx.doi.org/10.12681/bgsg.17304.

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The facies analysis of the Eocene limestones in the Aghioi Pantes section in central Zakynthos, part of the Preapulian carbonate sequence in the greater area, showed three megafacies types: a) graded beds, in which two main subtypes have been recognized, medium- to thin-bedded calcarenites-calcilutites and thick-bedded ruditic calcarenites, consisting mainly of redeposited shallow-water carbonate sands (mostly bioclasts of nummulites and echinoids); based on their sedimentary structures they have been interpreted as low density turbidite and high density turbidite (or sandy debris flows) deposits correspondingly, b) calcareous conglomerates consisting of shallow-water facies lithoclasts and abundant pelagic intraclasts all of which have been interpreted as debris flow deposits and c) folded strata of pelagic-hemipelagic composition that have been interpreted as slumps. Subsequently, the studied limestones constitute exclusively deep-water resedimented facies having been deposited mainly through sediment gravity flows, carrying significant amounts of shallow-water bio- lithoclastic material. The distribution and the organization of this facies association, with the dominance in particular of the base cut-out turbidites, suggest as depositional environment of the studied Eocene limestones a "low" in the outer slope connecting the Preapulian platform with the adjacent Ionian basin.
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d'Atri, A., F. Dela Pierre, R. Lanza, and R. Ruffini. "Distinguishing primary and resedimented vitric volcaniclastic layers in the Burdigalian carbonate shelf deposits in Monferrato (NW Italy)." Sedimentary Geology 129, no. 1-2 (1999): 143–63. http://dx.doi.org/10.1016/s0037-0738(99)00098-6.

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Molina, José Miguel, and Juan Antonio Vera. "Resedimented carbonate and volcanic rocks in the Berriasian-Hauterivian of the Subbetic (Alamedilla, Betic Cordillera, southern Spain)." Cretaceous Research 29, no. 5-6 (2008): 781–89. http://dx.doi.org/10.1016/j.cretres.2008.05.023.

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Dissertations / Theses on the topic "Resedimented carbonates"

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Hairabian, Alex. "3-D stratigraphic architecture, sedimentary processes, and petrophysic properties of deep-water resedimented carbonates (Cretaceous, Gargano Peninsula, South-East Italy)." Thesis, Aix-Marseille, 2014. http://www.theses.fr/2014AIXM4735.

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Les dépôts gravitaires carbonatés peuvent former d'importants volumes à la transition plate-forme/bassin; notamment en domaine tropical où les biotopes néritiques carbonatés sont de prolifiques usines à sédiments pouvant être redéposés dans le milieu marin profond adjacent. Ce travail porte sur les dépôts gravitaires carbonatés d'âge Crétacé de la Péninsule du Gargano (SE Italie). Une cartographie géologique détaillée et la modélisation numérique 3D (supportées par un MNT obtenu par LIDAR héliporté) ont été couplées à des analyses sédimentologiques et biostratigraphiques afin de caractériser l'évolution spatiale et temporelle de systèmes de dépôts gravitaires distincts. Les surfaces stratigraphiques 3D ont été restaurées afin d'évaluer l'impact de la paléo-topographie sur la distribution spatiale et la géométrie des corps. La corrélation avec les séries de plate-forme de même âge a permis d'établir les relations entre nature des resédimentations (sables vs. brèches) et le niveau marin. Les données qualitatives et quantitatives d'affleurements ont permis de générer des modèles numériques 3D de lithofacies à partir de méthodes de simulations stochastiques. Enfin, des mesures des paramètres physiques des roches ont été couplées à des analyses pétrographiques afin de d'évaluer l'impact de la fabrique sédimentaire et des types poreux sur les propriétés acoustiques et réservoirs de ces carbonates. Cette approche multidisciplinaire démontre l'importance du couplage de méthodes d'analyses de terrain dites «traditionelles» avec des donnés numériques et la modélisation 3D afin d'améliorer la caractérisation et les modèles des systèmes et réservoirs sédimentaires<br>Carbonate gravity flow deposits can form significant volumes at the platform-to-basin transition; especially because tropical shallow-water carbonate environments are major sediment factories, the products of which, early lithified or not, are likely to be redeposited in the adjacent deep marine domain. This work has focused on the Cretaceous resedimented carbonates of the Gargano Peninsula (SE Italy). Extensive geological mapping and 3-D numerical modelling (supported by a LIDAR DEM) were associated to sedimentologic and biostratigraphic analyses to assess the spatial and temporal evolution of distinct deep-water depositional systems. Key 3-D stratigraphic surfaces were restored to investigate the impact of the paleo-topography on the geometry and spatial distribution of the gravity flow deposits. Correlation with the coeval shallow-water platform series has served to assess the relationships between the nature of the resedimented carbonates (i.e. bioclastic sands versus breccias) and sea level. Qualitative and quantitative outcrop data were transferred into 3-D numerical models of lithofacies that were generated at seismic scale with stochastic simulation methods. Finally, petrophysical measurements were coupled with quantitative petrographic analyses to assess the impact of sedimentary fabrics and pore types on acoustic and reservoir properties of carbonate gravity flow deposits. This multidisciplinary approach demonstrates that coupling traditional field work analyses with outcrop numerical data (e.g. LIDAR-derived) and 3-D geological modelling is a relevant method for improving outcrop characterization and conceptual models of sedimentary systems and reservoirs
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Abbots, Frances Vivien. "Sedimentology of Jurassic syn-rift resedimented carbonate sandbodies." Thesis, University of Bristol, 1989. http://hdl.handle.net/1983/08bc3c73-7880-4cfd-afc1-0af2d9e82e18.

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This thesis discusses the sedimentology of three contrasting Jurassic carbonate sand turbidite systems from Southern Europe: the Cutri Formation (Bathonian) of Mallorca; the Vajont Limestone (Bajocian-Callovian) of northern Italy; and the Peniche sequence (Toarcian-Aalenian) of the Brenha Formation of western Portugal. These sandbodies all formed in syn-rift extensional settings which imposed a primary morpho-tectonic control on both the source platform and depositional basin morphology. The three sandbodies in question display varying geometries and architectures and are discussed in terms of the palaeogeographic, tectonic and eustatic controls that governed their individual development; as well as being used to test the recently developed apron model against that of the submarine fan. In this context oolitic carbonate aprons associated with palaeowindward and palaeoleeward platform margins have been distinguished. The Cutri Formation is interpreted as a oolitic base-of-slope apron, that displays a minor single syn-rift thinning upward megacycle (retrogradational) trend indicative of subsidence out-pacing sedimentation. The apron correlates with a eustatic sea-level drawdown and was characterised by infrequently laterally correlatable, oolitic turbidite units separated by hemipelagic interbeds. This sandbody is relatively sand-poor in nature, and is interpreted as being sourced from a palaeowindward platform margin. The Vajont Limestone is re-interpreted as an aggraded oolitic apron from its original interpretation as a sub-marine fan. The apron is composed of stacked oolitic grainstone turbidites and is locally up to 800m thick. It is interpreted as being sourced from a stable `keep up' palaeoleeward platform margin, where dominant off-bank sand transport led to development of line-sourced oolitic turbidites, which were actively aggraded by on-going basin subsidence. Statistics were used to demonstrate a random turbidite sequence which enhances the apron interpretation. The Peniche sequence is reconfirmed as a carbonate-siliciclastic fan, its facies development conforming to a siliciclastic sand-rich fan model. Statistical analysis indicates a non-random (cyclic) turbidite sequence, thereby enhancing the fan interpretation. The fan occurs as a localised development within fine-grained basinal facies and correlates stratigraphically with a eustatic sea-level drawdown. Interpreted as being sourced from a palaeoleeward margin, the sequence progradates from outer fan lobes to a thick, multi-storey braided channel complex. These syn-rift resedimented carbonate sandbodies have the potential to be stratigraphically associated with basinal source rocks and therefore may be viewed as prospective hydrocarbon reservoir facies.
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Clayton, Jason Lars. "Stratigraphy and reservoir architecture of a Permian toe-of-slope ooid fan, Happy (Spraberry) Field, Garza Co., Texas." Thesis, 2011. http://hdl.handle.net/2152/ETD-UT-2011-05-3146.

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The Permian (Leonardian) aged Upper Spraberry Formation found in the Happy Field of Garza Co. TX, contains one of the best examples of a reservoir composed of resedimented carbonates in a deep-water slope-basin setting, with numerous whole core of wells with full suites of electric logs, high resolution 3D seismic coverage, and 20+ years worth of production data. Sequence stratrigraphic analysis from seismic data combined the lithologic analysis from outcrop analog, core, and well log data helps identify that the Happy Field is located within the transgressive systems tract of the fifth composite sequence in the Leonardian. The reservoir is composed of discrete allochthonous ooid and skeletal grains transported downslope via hyperconcentrated density flows sourced from a re-entrant in the shelf margin and deposited in a long-lived topographic depression at the toe-of-slope. Vertical heterogeneity due to layers of shaley silt punctuated by successive flows of oolitic and skeletal grains along with lateral heterogeneity created by younger flows of material create reservoir compartmentalization which can impede efficient development. Core-calibrated electric log correlations aids in the mapping of isolated compartments which helps with efficient development planning for the field.<br>text
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Book chapters on the topic "Resedimented carbonates"

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"Geometry of Dolomite Bodies within Deep-Water Resedimented Oolite of the Middle Jurassic Vajont Limestone, Venetian Alps, Italy." In Reservoir Quality Prediction in Sandstones and Carbonates. American Association of Petroleum Geologists, 1997. http://dx.doi.org/10.1306/m69613c10.

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Zempolich, William G., and Elisabetta Erba. "Sedimentologic and Chemostratigraphic Recognition of Third-Order Sequences in Resedimented CarbonateThe Middle Jurassic Vajont Limestone, Venetian Alps, Italy." In Advances in Carbonate Sequence StratigraphyApplication to Reservoirs, Outcrops and Models. SEPM Society for Sedimentary Geology, 1999. http://dx.doi.org/10.2110/pec.99.11.0335.

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Conference papers on the topic "Resedimented carbonates"

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Ridha, Muhammad, Mukhammad Nurdiansyah, Jonathan Sofiawan Zamili, Purnaning Tuwuh Triwigati, Yan Bachtiar Muslih, and Widiastuti Nur Farida. "Depositional Pattern and Diagenesis of Neogene Resedimented Carbonates of Sunda Shelf in Banyumeneng Area, Western Kendeng Basin, Indonesia." In International Petroleum Technology Conference. International Petroleum Technology Conference, 2019. http://dx.doi.org/10.2523/iptc-19052-ms.

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Ridha, Muhammad, Mukhammad Nurdiansyah, Jonathan Sofiawan Zamili, Purnaning Tuwuh Triwigati, Yan Bachtiar Muslih, and Widiastuti Nur Farida. "Depositional Pattern and Diagenesis of Neogene Resedimented Carbonates of Sunda Shelf in Banyumeneng Area, Western Kendeng Basin, Indonesia." In International Petroleum Technology Conference. International Petroleum Technology Conference, 2019. http://dx.doi.org/10.2523/19052-ms.

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Reports on the topic "Resedimented carbonates"

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Sano, H. Preliminary report on resedimented carbonates associated with basaltic rocks of Cache Creek Group near Spad Lake, east of Fort St. James, central British Columbia. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1998. http://dx.doi.org/10.4095/209491.

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