Academic literature on the topic 'Passive margin formation'

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Journal articles on the topic "Passive margin formation"

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Scharf, Andreas, Frank Mattern, Mohammed Al-Wardi, et al. "Chapter 2 Tectonostratigraphy of the eastern part of the Oman Mountains." Geological Society, London, Memoirs 54, no. 1 (2021): 11–47. http://dx.doi.org/10.1144/m54.2.

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AbstractThis chapter provides comprehensive descriptions of 52 numbered formations/rock units of the Southeastern Oman Mountains, based on available literature. The oldest eight siliciclastic and carbonate formations are positioned below the ‘Hercynian’ Unconformity. The overlying formation (9–16) mostly represent carbonates which accumulated in a passive margin platform setting during or after the opening of the Neo-Tethys Ocean. The passive margin slope and platform collapsed during the late Cretaceous because of the obduction of the Semail Ophiolite along with the deep marine Hawasina sedim
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Peace, Alexander L., and J. Kim Welford. "Conjugate margins — An oversimplification of the complex southern North Atlantic rift and spreading system?" Interpretation 8, no. 2 (2020): SH33—SH49. http://dx.doi.org/10.1190/int-2019-0087.1.

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The prevalence of conjugate margin terminology and studies in the scientific literature is testimony to the contribution that this concept and approach has made to the study of passive margins, and more broadly extensional tectonics. However, when applied to the complex rift, transform, and spreading system of the southern North Atlantic (i.e., the passive margins of Newfoundland, Labrador, Ireland, Iberia, and southern Greenland), it becomes obvious that at these passive continental margin settings, additional geologic phenomena complicate this convenient description. These aspects include (1
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Tuitt, Adrian, Simon Holford, Richard Hillis, et al. "Continental margin compression: a comparison between compression in the Otway Basin of the southern Australian margin and the Rockall-Faroe area in the northeast Atlantic margin." APPEA Journal 51, no. 1 (2011): 241. http://dx.doi.org/10.1071/aj10017.

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There is growing recognition that many passive margins have undergone compressional deformation subsequent to continental breakup, including the southern Australian margin. This deformation commonly results in formation of domal anticlines with four-way dip closures that are attractive targets for hydrocarbon exploration, and many such structures host major hydrocarbon accumulations in the Otway and Gippsland basins; however, the driving mechanisms behind formation of these structures are not completely understood. We compare the history of post-breakup compression in the Otway Basin of the so
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Archer, D. E., and B. A. Buffett. "A two-dimensional model of the methane cycle in a sedimentary accretionary wedge." Biogeosciences Discussions 9, no. 3 (2012): 2967–3002. http://dx.doi.org/10.5194/bgd-9-2967-2012.

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Abstract. A two-dimensional model of sediment column geophysics and geochemistry has been adapted to the problem of an accretionary wedge formation, patterned after the margin of the Juan de Fuca plate as it subducts under the North American plate. Much of the model description was given in a companion paper about application of the model to a passive margin setting; here we build on that formulation to simulate the deformation of the sediment wedge as it approaches the subduction zone. The active margin configuration of the model shares sensitivities with the passive margin configuration, in
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Archer, D. E., and B. A. Buffett. "A two-dimensional model of the methane cycle in a sedimentary accretionary wedge." Biogeosciences 9, no. 8 (2012): 3323–36. http://dx.doi.org/10.5194/bg-9-3323-2012.

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Abstract. A two-dimensional model of sediment column geophysics and geochemistry has been adapted to the problem of an accretionary wedge formation, patterned after the margin of the Juan de Fuca plate as it subducts under the North American plate. Much of the model description is given in a companion paper about the application of the model to an idealized passive margin setting; here we build on that formulation to simulate the impact of the sediment deformation, as it approaches the subduction zone, on the methane cycle. The active margin configuration of the model shares sensitivities with
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Galyamov, A. L., A. V. Volkov, K. V. Lobanov, and K. Y. Murashov. "Prospects for identifying strategic metals deposits in the Russian Arctic." Arctic: Ecology and Economy, no. 1(25) (March 2017): 59–74. http://dx.doi.org/10.25283/2223-4594-2017-1-59-74.

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Mineral deposits are important in the economy of the Russian Arctic. In addition to the petroleum and gas, the resources of PGE minerals and gold, nickel and titanium are more than 10% of global significance. Meanwhile, the most arctic territory is out of availability of detailed geological and geophysical data due to severe climatic situation. The spatial relations of ore deposits and ore-bearing sequences of different geodynamic settings at Russia territory show that the geological sequences of three basic types of geodynamic environment contain an overwhelming number (over 70%) deposits: ar
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Beranek, Luke P., Victoria Pease, Robert A. Scott, and Tonny B. Thomsen. "Detrital zircon geochronology of Ediacaran to Cambrian deep-water strata of the Franklinian basin, northern Ellesmere Island, Nunavut: implications for regional stratigraphic correlations." Canadian Journal of Earth Sciences 50, no. 10 (2013): 1007–18. http://dx.doi.org/10.1139/cjes-2013-0026.

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Enigmatic successions of deep-water strata referred to as the Nesmith beds and Grant Land Formation comprise the exposed base of the Franklinian passive margin sequence in northern Ellesmere Island, Nunavut. To test stratigraphic correlations with Ediacaran to Cambrian shallow-water strata of the Franklinian platform that are inferred by regional basin models, >500 detrital zircons from the Nesmith beds and Grant Land Formation were analyzed for sediment provenance analysis using laser ablation (LA–ICP–MS) and ion-microprobe (SIMS) methods. Samples of the Nesmith beds and Grant Land Formati
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Spahic, Darko, Bojan Glavas-Trbic, Slavica Djajic, and Tivadar Gaudenyi. "Neoproterozoic-paleozoic evolution of the Drina formation (Drina-Ivanjica entity)." Annales g?ologiques de la Peninsule balkanique 79, no. 2 (2018): 57–68. http://dx.doi.org/10.2298/gabp1802057s.

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This paper addresses a Drina-Ivanjica basement member, Drina Formation, characterized by ? controversial Neoproterozoic to Carboniferous age. The Drina Formation is also informally referred to as the ?Lower Drina Formation? and the ?Upper Drina Formation? including the Golija Formation as a conditional analog unit of the latter. A review of the biostratigraphic, sedimentary and paleogeographic constraints identified Drina Formation (Inner Dinarides) as a migrated crustal segment derived from a marginal section of northern Gondwana, being, however, of Neoproterozoic-Early Paleozoic age. The pre
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Anjerdi, Javad, Mahdi Jafarzadeh, Adel Najafzadeh, and Rahim Mahari. "Provenance of Upper Devonian Ilanqareh Formation (NW Iran), assessed using petrography and major element geochemistry." Boletín de la Sociedad Geológica Mexicana 74, no. 3 (2022): A160722. http://dx.doi.org/10.18268/bsgm2022v74n3a160722.

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In this study, a combination of petrographic and major element geochemical methods was employed on sandstones and shales of Upper Devonian Ilanqareh Formation, northwest of Iran, aimed at investigating the tectonic setting and the weathering degree of rocks in the source area. The index of compositional variability (ICV below 1) indicated that the studied quartzarenite and subarkose sandstones were not in the first cycle. Petrographic studies showed the existence of a craton interior provenance for these sandstones and geochemical studies identified recycling of older formations as an importan
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Iqbal, Shahid, Michael Wagreich, Mehwish Bibi, Irfan U. Jan, and Susanne Gier. "Multi-Proxy Provenance Analyses of the Kingriali and Datta Formations (Triassic–Jurassic Transition): Evidence for Westward Extension of the Neo-Tethys Passive Margin from the Salt Range (Pakistan)." Minerals 11, no. 6 (2021): 573. http://dx.doi.org/10.3390/min11060573.

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The Salt Range, in Pakistan, preserves an insightful sedimentary record of passive margin dynamics along the NW margin of the Indian Plate during the Mesozoic. This study develops provenance analyses of the Upper Triassic (Kingriali Formation) to Lower Jurassic (Datta Formation) siliciclastics from the Salt and Trans Indus ranges based on outcrop analysis, petrography, bulk sediment elemental geochemistry, and heavy-mineral data. The sandstones are texturally and compositionally mature quartz arenites and the conglomerates are quartz rich oligomictic conglomerates. Geochemical proxies support
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Dissertations / Theses on the topic "Passive margin formation"

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Morgan, Susan K. "Petrology of Passive Margin-Epeiric Sea Sediments: the Garden City Formation, North-central Utah." DigitalCommons@USU, 1988. https://digitalcommons.usu.edu/etd/5623.

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The Lower Ordovician Garden City Formation is part of the thick sequence of Lower Paleozoic limestones, dolostones, and minor siliciclastic sedimentary rocks of the western United States. The carbonate rocks were formed predominantly by shallow water deposition in tropical, passive-margin epeiric seas. The Garden City Formation is composed of nine lithotypes which represent the various environments. The formation is a storm-influenced transgressive sequence which may be divided into innershelf shallow subtidal and outer-shelf deep subtidal environments separated by a skeletal accumulation. The
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Grotzinger, John P. "Evolution of early Proterozoic passive-margin carbonate platform, Rocknest Formation, Wopmay Orogen, N.W.T., Canada." Diss., Virginia Polytechnic Institute and State University, 1985. http://hdl.handle.net/10919/51941.

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The superbly exposed Rocknest Formation, Wopmay Oroqen, N.W.T., Canada, is an early Proterozoic (l.B9 Ga) passivemargin carbonate platform. It is an eastward-thinning prism, 0 to 1,100 m thick, extending for over 220 km parallel to strike, and over 200 k.m perpendicular to strike. It contains from west to east, slope, outer-shelf, shoaloomplex, and inner-shelf facies. Slope facies are rhythmites, megabreccias and rhythmite breccias. Outershelf faciea include stromatolitic reefal boundstone and backreef ooid/intraclast grainstore. Shoal-complex facies are shallowing-upward cycles of
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Salazar-Mora, Claudio Alejandro. "From orogen to rifted passive margin formation in Brazil: Geodynamic numerical modeling considering the effects of structural inheritance and rheology." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/44/44143/tde-10072018-153657/.

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O paralelismo entre antigos cinturões colisionais e sistemas de riftes mais jovens é amplamente reconhecido e especialmente observado ao longo do Oceano Atlântico. A relação entre estruturas litosféricas herdadas e a nucleação de sistemas de riftes tem sido o foco de muitos estudos. Entretanto, a relação entre estruturas herdadas e estruturas neo-formadas (i.e. durante a extensão) e a estruturação de margens passivas conjugadas ainda é pouco entendida. Na presente tese, usamos uma versão muito eficiente do código computacional Lagrangiano- Euleriano de elementos finitos FANTOM para modelar flu
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Manatschal, Gianreto. "Jurassic rifting and formation of a passive continental margin (Platta and Err nappes, Eastern Switzerland) : geometry kinematics and geochemistry of fault rocks and a comparison the Galicia margin /." Zürich : [s.n.], 1995. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=11188.

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Billington, Tyler. "Sedimentologic and Petrographic Evidence of Flow Confinement In a Passive Continental Margin Slope Channel Complex, Isaac Formation, Windermere Supergroup, British Columbia, Canada." Thesis, Université d'Ottawa / University of Ottawa, 2019. http://hdl.handle.net/10393/39727.

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At the Castle Creek study area in east-central British Columbia a well-exposed section about 450 m wide and 30 m thick in the (Neoproterozoic) Isaac Formation was analyzed to document vertical and lateral changes in a succession of distinctively heterolithic strata. Strata are interpreted to have been deposited on a deep-marine levee that was sandwiched between its genetically related channel on one side and an erosional escarpment sculpted by an older (underlying) channel on the other. Flows that overspilled the channel (incident flow) eventually encountered the escarpment, which then set up
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Ugueto, Lilian L. Navarro. "Depositional architecture and evolution of deep-water base-of-slope and slope channel complexes in a passive-margin setting: Isaac Formation, Windermere Supergroup (Neoproterozoic), southern Canadian Cordillera." Thesis, University of Ottawa (Canada), 2006. http://hdl.handle.net/10393/27278.

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The Isaac Formation in the Neoproterozoic Windermere Supergroup crops out in the Castle Creek South area (southwestern Canadian Cordillera) and consists of a more than 1.2 km-thick, laterally continuous slope deposit formed along the ancestral passive margin of western North America. Within the study area, six channel complex sets have been recognized, of which two, named informally Channels 1 and 3, are the focus of this study. Channel 1 exposes an oblique section of base-of-slope channel deposits, whereas Channel 3, at least in its lower part, is a flow-transverse section. Channels 1 and 3 a
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Sibuet, Jean-Claude. "Contribution à l'étude des mécanismes de formation des marges continentales passives." Brest, 1987. http://www.theses.fr/1987BRES2016.

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Les modeles de formation et d'evolution des marges continentales passives n'ont pu etre elabores, modifies et testes que parce que de nombreux leves geologiques et geophysiques de detail ont ete acquis. D'ou : au cours de l'episode de rifting, les directions des mouvements des plaques amerique du nord, europe et iberie sont identiques aux directions d'ouverture du domaine oceanique adjacent. Il faut quantifier l'extension totale resultant du rifting ce qui necessite de mieux apprehender les processus de formation des marges. Les donnees de la marge ouest-iberique sont cependant compatibles ave
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Beslier, Marie-Odile. "Formation des marges passives et remontée du manteau : modélisation expérimentale et exemple de la marge de la Galice /." Rennes : Centre armoricain d'étude structurale des socles, 1991. http://catalogue.bnf.fr/ark:/12148/cb354853593.

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Bah, Boubacar. "Apport de l'analyse paléopiézométrique des macles de la calcite et des stylolites à la compréhension de l'histoire tectonique et d'enfouissement des bassins sédimentaires de la marge ouest-africaine de l'Atlantique Sud." Electronic Thesis or Diss., Sorbonne université, 2023. http://www.theses.fr/2023SORUS081.

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La présente thèse a pour objectif d'éprouver des méthodologies permettant de reconstituer l'évolution des propriétés réservoirs et de la pression subit par un réservoir. Ce manuscrit présente (1) une caractérisation pétrologique des roches réservoirs avec une estimation du calendrier de l'évolution de la porosité, (2) les résultats une étude paléopiézométrique, et (3) une évolution des contraintes effectives et potentielles (sur)pressions de fluides ayant prévalu dans le réservoir carbonaté au cours de son évolution. Ces éléments permettent de reconstituer l'histoire d'enfouissement et les pal
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Delpech, Pierre-Yves. "Rifting jurassique sur la bordure occidentale du dome de barrot (alpes occidentales francaises) : evolution geodynamique d'un secteur de la marge nord-tethysienne." Paris 6, 1988. http://www.theses.fr/1988PA066189.

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L'analyse des variations laterales de facies permet de reconstituer un schema du secteur du haut-var coherent a condition de placer un accident de direction n 20-30 a vergence ouest ayant joue en faille normale au cours du lias et du dogger et limitant un domaine de bassin a l'ouest et une plate-forme a l'est. Les manifestations tectonosedimentaires observees suggerent, outre les deformations dues a la tectonique distensive, l'existence d'une halocinese precice le long du faisceau de failles n 20-30. Ainsi au jurassique la region du dome de barrot serait limitee a l'ouest par rapport au bassin
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Books on the topic "Passive margin formation"

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Manatschal, Gianreto. Jurassic rifting and formation of a passive continental margin (Platta and Err nappes, eastern Switzerland): Geometry, kinematics and geochemistry of fault rocks and a comparison with the Galicia margin. Eidgenössische technische Hochschule Zürich, 1995.

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Beslier, Marie-Odile. Formation des marges passives et remontée du manteau: Modélisation expérimentale et exemple de la marge de la Galice. Centre armoricain d'étude structurale des socles, Université de Rennes I, 1991.

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Eliseev, A. I., A. I. Antoshkina, V. A. Saldin, N. Yu Nikulova, I. V. Kozyreva, and A. N. Sandula. Paleozoic formations of the Northeast margin of the European platform. Komi SC UB RAS, 2006. http://dx.doi.org/10.19110/89606-028.

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Paleozoic sedimentary basins of the northeast European Platform is a component of large megabasin of the northeast passive continental margin of the European continent in the Paleozoic. The establishment of a connection between a paleodynamic history of a basin and its sedimentary formations types, which are the most reliable indicators of geodynamic conditions, is one of the primary problems of modern lithology. Reliable indicators at geodynamic reconstructions are genetically predetermined by laterial and vertical lines of the sedimentary formations. Formations and lithological complexes bei
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Kirchman, David L. Introduction to geomicrobiology. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198789406.003.0013.

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Geomicrobiology, the marriage of geology and microbiology, is about the impact of microbes on Earth materials in terrestrial systems and sediments. Many geomicrobiological processes occur over long timescales. Even the slow growth and low activity of microbes, however, have big effects when added up over millennia. After reviewing the basics of bacteria–surface interactions, the chapter moves on to discussing biomineralization, which is the microbially mediated formation of solid minerals from soluble ions. The role of microbes can vary from merely providing passive surfaces for mineral format
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Leng, Thomas. Fellowship and Freedom. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780198794479.001.0001.

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This is the first modern study of the Fellowship of Merchant Adventurers—sixteenth-century England’s premier trading company—in its final century of existence as a privileged organization. Over this period the company’s main trade, the export of cloth to northwest Europe, was overshadowed by rising traffic with the wider world, whilst its privileges were continually criticized in an era of political revolution. But the company and its membership were not passive victims of these changes; rather, they were active participants in the commercial and political dramas of the century. Using thousand
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Stolzenberg, Jürgen, ed. Ausdruck in der Musik. edition text + kritik im Richard Boorberg Verlag, 2021. http://dx.doi.org/10.5771/9783967074574.

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Was ist unter Ausdruck in der Musik zu verstehen? Welche Theorien geben eine Antwort? Welche innovativen historischen Formationen sind zu nennen? Was bedeutet "Ausdruck" im Jazz und in der Popmusik? Und welche Bedeutung hat musikalischer Ausdruck in außereuropäischen Musikkulturen? Man sagt, eine Melodie klinge heiter oder triumphal. Ein Blues-Thema wird als melancholisch empfunden. Eine Passage in einem Musikstück wird als ruhig oder aufgeregt beschrieben. Und man sagt auch, in der Musik baue sich eine Spannung auf und löse sich wieder. Damit werden der Musik expressive Eigenschaften zugespro
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Zavatta, Benedetta. Individuality and Beyond. Oxford University Press, 2019. http://dx.doi.org/10.1093/oso/9780190929213.001.0001.

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Based on an analysis of the marginal markings and annotations Nietzsche made to the works of Emerson in his personal library, the book offers a philosophical interpretation of the impact on Nietzsche’s thought of his reading of these works, a reading that began when he was a schoolboy and extended to the final years of his conscious life. The many ideas and sources of inspiration that Nietzsche drew from Emerson can be organized in terms of two main lines of thought. The first line leads in the direction of the development of the individual personality, that is, the achievement of critical thi
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Book chapters on the topic "Passive margin formation"

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Sibuet, Jean-Claude. "Galicia Continental Margin: Constraints on Formation of Nonvolcanic Passive Margins." In Geologic Evolution of Atlantic Continental Rises. Springer US, 1992. http://dx.doi.org/10.1007/978-1-4684-6500-6_1.

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Smith, Alec J. "Tectonic Instability on a “Stable” Shelf Behind a Passive Margin—A Structural History of the English Channel." In Formation of Active Ocean Margins. Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-009-4720-7_27.

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Lisitzin, Alexander P. "Cryogenic Formations of Passive Margins, Ice Shelves and Continental Slopes · Cryogenic Formations of Active Margins and the Regions Composed of Oceanic Crust." In Sea-Ice and Iceberg Sedimentation in the Ocean. Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/978-3-642-55905-1_16.

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Campbell, Stephen. "A Deeper History of Myanmar’s Political Transformation." In Along the Integral Margin. Cornell University Press, 2022. http://dx.doi.org/10.7591/cornell/9781501764882.003.0002.

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This chapter presents a political-economic history of state formation in Myanmar since the early twentieth century. It highlights the history of labor and state rule in Myanmar and its heritage of labor struggle. Myanmar's political transformation reveals a continuity between the elitist politics of state capture in the present, which eventually shaped the particular unevenness of the nation's capitalist landscape. The chapter then elaborates on the legacy of labor militancy in Myanmar. The political status quo in Myanmar become a constraint on capitalist modernization as mass street protests
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Romer, Rolf L., and Uwe Kroner. "Provenance control on the distribution of endogenic Sn-W, Au, and U mineralization within the Gondwana-Laurussia plate boundary zone." In New Developments in the Appalachian-Caledonian- Variscan Orogen. Geological Society of America, 2022. http://dx.doi.org/10.1130/2021.2554(02).

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ABSTRACT The Paleozoic plate boundary zone between Laurussia and Gondwana in western Pangea hosts major magmatic and hydrothermal Sn-W-Ta, Au, and U mineralization. Individual mineral deposits represent the results of the superposition of a series of exogenic and endogenic processes. Exogenic processes controlled (1) the enrichment of the ore elements in sedimentary protoliths via residual enrichment during intense chemical weathering and via climatically or tectonically controlled redox traps, (2) the spatial distribution of fertile protoliths, and, thus, eventually (3) the spatial distributi
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Keppie, J. Duncan, and Heinrich Bahlburg. "Puncoviscana Formation of northwestern and central Argentina: Passive margin or foreland basin deposit?" In Laurentia-Gondwana connections before Pangea. Geological Society of America, 1999. http://dx.doi.org/10.1130/0-8137-2336-1.139.

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Konopelko, Dmitry L. "Chapter 4. Paleozoic granitoid magmatism of South and Middle Tien Shan in Uzbekistan." In PALEOZOIC GRANITOID MAGMATISM OF WESTERN TIEN SHAN. St. Petersburg State University, 2020. http://dx.doi.org/10.21638/11701/9785288060250.05.

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The Paleozoic evolution of the Southern and Middle Tien Shan terranes is generally associated with the history of two ocean basins - the Turkestan and Paleotethys. Ages of ophiolites indicate the opening of the oceans in Cambrian – Ordovician, and partial closure with formation of an island arc in the northern part of the basin in Ordovician - Silurian. At the northern margin of the Turkestan ocean, the northward subduction under the Middle Tien Shan continued until Devonian, which led to formation of an active margin with granitoids emplaced between 429 and 416 Ma. In the late Devonian, subdu
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Beauchamp, Benoit, Daniel Calvo González, Charles M. Henderson, Daria V. Baranova, Hanyue Wang, and Eric Pelletier. "Late Pennsylvanian–Early Permian Tectonically Driven Stratigraphic Sequences and Carbonate Sedimentation Along Northern Margin of Sverdrup Basin (Otto Fiord Depression, Arctic Canada)." In Late Paleozoic and Early Mesozoic Tectonostratigraphy and Biostratigraphy of Western Pangea. SEPM (Society for Sedimentary Geology), 2022. http://dx.doi.org/10.2110/sepmsp.113.12.

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A thick succession of upper Paleozoic carbonate rocks and minor chert crops out north of the head of Otto Fiord (northwest [NW] Ellesmere Island, Nunavut) in the Canadian Arctic Archipelago. These rocks accumulated in a tectonic subbasin—the Otto Fiord Depression (OFD)—of the Sverdrup Basin that likely originated through rifting during late Early Carboniferous (Serpukhovian). Following a long interval of passive subsidence that allowed a thick succession of Moscovian–Kasimovian carbonate rocks to fill the OFD, tectonic activity resumed during the Gzhelian (Late Pennsylvanian). This resulted in
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Martens*, Uwe C., and Maria Isabel Sierra-Rojas. "Late Cretaceous–Paleocene transition from calcareous platform to basinal deposition in western Chiapas, Mexico: Opening of the Chiapanecan embayment." In Southern and Central Mexico: Basement Framework, Tectonic Evolution, and Provenance of Mesozoic–Cenozoic Basins. Geological Society of America, 2021. http://dx.doi.org/10.1130/2021.2546(07).

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ABSTRACT Tracing the evolution of the Cretaceous shelf margin of the southwestern Gulf of Mexico reveals a relatively stable area in northeastern Chiapas, Mexico, northern Guatemala and Belize, and the Yucatán Peninsula, where carbonate and evaporite platform conditions prevailed from the Aptian until at least the Paleocene. The area was flanked by zones of greater subsidence, where platform thickness reached several thousand meters and where foredeep depocenters were established due to collision of the Great Antilles arc with the passive margin of North America. Foredeep deposition initiated
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Goryachev, N. A., A. S. Yakubchuk, I. S. Litvinenko, A. V. Lozhkin, Yu V. Pruss, and V. N. Smirnov. "Chapter 37: Giant Placers of the Upper Kolyma Gold Fields, Yana-Kolyma Province, Russian Northeast." In Geology of the World’s Major Gold Deposits and Provinces. Society of Economic Geologists, 2020. http://dx.doi.org/10.5382/sp.23.37.

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Abstract The Upper Kolyma gold placers of northeastern Russia produced 2,700 metric tons (t) Au. Approximately 40% of this gold was extracted from just five placers, Chai-Yuria, Berelekh, Maldyak, Malyi At-Yuryakh, and Omchak, and their immediate tributaries. The placers were derived from Late Jurassic to Early Cretaceous lode deposits, formed during sinistral translation subsequent to the Kolyma-Omolon superterrane accretion to the Verkhoyansk passive margin of the Siberian craton. The metallogenic events produced either abundant and widespread small quartz veins or more localized large to su
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Conference papers on the topic "Passive margin formation"

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Beech, I. B., R. Gubner, V. Zinkevich, L. Hanjangsit, and R. Avci. "The Effect of Pseudomonas NCIMB 2021 Biofilm on the Formation of Passive Layers on UNS K14675 Stainless Steel." In CORROSION 1999. NACE International, 1999. https://doi.org/10.5006/c1999-99185.

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Abstract Bofilms were generated on as received surfaces of UNS K14675 stainless steel coupons exposed for 30 days in a continuous culture of marine Pseudomonas obtained from the National Collection of Industrial and Marine Bacteria, UK, (NCIMB) strain no. 2021. X-ray photoelectron spectroscopy (XPS) analysis was undertaken to determine the effect of biofilms on the composition of passive layers. Before exposure to bacteria, as well as prior to and following the biofilm removal, steel surfaces were imaged using scanning electron (SEM) and atomic force microscopy (AFM). Microscopy study confirme
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Chen, G., S. V. Kagwade, G. E. French, C. R. Clayton, T. E. Ford, and R. Mitchell. "Metal Ion and Exopolymer Interaction: A Surface Analytical Study." In CORROSION 1995. NACE International, 1995. https://doi.org/10.5006/c1995-95219.

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Abstract Various concentrations of molybdate were added to the protein containing and deproteinated exopolymers of a marine bacterium, Deleya marina. The interaction was investigated by X-ray photoelectron spectroscopy (XPS) and electron spin resonance (ESR). Molybdate reduction was observed exclusively in the deaerated protein containing exopolymer, resulting in the formation of a Mo5+ species. This species appeared to be susceptible to reoxidation in the presence of soluble oxygen. Thus, only hexavalent molybdenum was seen in the aerated suspension. The "reducing agents" could be the residua
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Sabbir, Md Ahsan, Kingsley Lau, and Dale DeFord. "Assessment of CBPC Coating in Wet Exposure." In SSPC 2016 Greencoat. SSPC, 2016. https://doi.org/10.5006/s2016-00062.

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Abstract The performance of a Chemically Bonded Phosphate Ceramic (CBPC) coating was investigated for marine bridge application. Assessment of possible coating degradation and corrosion development was made by physical and electrochemical techniques. Passive-like conditions developed in the chloride-free solutions and formation of oxide product occurred in the chloride solutions. A large degree of oxide product formation throughout the non-scribed coating exposure surface area, consistent with the large measured corrosion current, was indicative that the ceramic coating had poor barrier coatin
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Palmer, Troy, and Blane McGuiness. "Electrochemical Chloride Extraction: Re-injecting Sustainability into the Pacific Market." In CONFERENCE 2025. AMPP, 2025. https://doi.org/10.5006/c2025-00375.

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Abstract The presence and ingress of chlorides, particularly in marine environments, is one of the main factors responsible for the deterioration of steel reinforced concrete structures. Electrochemical Chloride Extraction (ECE) is a reemerging maintenance process available across the Pacific that is being utilized to sustainably interrupt the initiation and progression of corrosion, in this scenario through an electrochemical process which draws chloride ions already present in concrete away from the reinforcing steel towards a temporarily surface-mounted anode. This process not only mitigate
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Galicia, M., M. Aguirre-Ramírez, V. Valencia Goujon, and H. Castaneda. "Interfacial and Corrosion Characterization of Zinc Rich-Epoxy Primers with Carbon Nanotubes Exposed to Marine Bacteria." In CORROSION 2017. NACE International, 2017. https://doi.org/10.5006/c2017-09465.

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Abstract Nowadays, it is accepted that in aerobic conditions, marine electroactive biofilms induce faster oxygen reduction on active/passive alloys immersed in seawater. Besides, these alloys undergo a shift of open circuit potentials (OCP) towards noble direction after biofilm settlement, OCP can be shifted up to ≅350 mV vs. saturated calomel electrode (SCE). For steel structures, zinc rich epoxy coatings are an effective corrosion prevention and protection method in marine environment. Zinc rich coatings can protect the steel by two mechanisms: the first as a physical barrier or mass transfe
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Shaw, Barbara A., and Patrick J. Moran. "Characterization of the Corrosion Behavior of Zinc-Aluminum Thermal Spray Coatings." In CORROSION 1985. NACE International, 1985. https://doi.org/10.5006/c1985-85212.

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Abstract Thermally sprayed zinc coatings and aluminum coatings have proven to be capable of providing long-term, cost-effective corrosion protection to steel structures in marine environments. Aluminum coatings have the advantage of passive film formation, but have limited sacrificial protection capabilities. Zinc coatings have the advantage of electrochemical activity which enables them to provide effective cathodic protection to steel. However, this high electrochemical activity results in high corrosion rates and a rapid depletion of the coating material. The possibility of developing a zin
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Bell, A., and P. Spaak. "The Opening of Neo-Tethys and the Formation of the Khuff Passive Margin." In Third Arabian Plate Geology Workshop. EAGE Publications BV, 2011. http://dx.doi.org/10.3997/2214-4609.20144048.

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Ilyasov, I., M. Suleiman, O. Alobeidi, and H. Aldhuhoori. "Line Drive or Not? Lessons Learned From Waterflood Field Case in Middle East Carbonate Reservoirs." In ADIPEC. SPE, 2024. http://dx.doi.org/10.2118/222811-ms.

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Field X is situated onshore in the southwestern part of the Abu Dhabi Emirate. Historically, five appraisal wells were drilled between 1961 and 1995. Drilling activities resumed in 2006 to further appraise additional reservoirs identified within the Field X structure. The field has been producing since 2007 for testing purposes. It was officially commissioned and commenced production in Q1 2013, peaking at 22 MBOPD from the A and B reservoirs. In 2020, the C reservoir was brought to production, providing promising oil in place to offset the decline in the A and B reservoirs. All wells are curr
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Hah, Chunill. "Passive Controls of Tip Clearance Flow in a Transonic Compressor for Stall Margin Improvement: Common Flow Physics." In ASME Turbo Expo 2023: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/gt2023-101077.

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Abstract Two passive tip clearance control devices for stall margin improvement in a transonic compressor are compared in detail. The primary objective of the current study is to examine the overall performance in terms of stall margin increase and any associated performance penalties near design operation with axial casing grooves (ACGs) and circumferential casing grooves (CCGs). The underlying flow physics of these passive flow control devices are examined and compared to identify any relative advantages in the development of optimized casing treatment designs. To understand the underlying f
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Okiotor, Michael Edirin, and EDeh Desiree Ogueh. "Geochemical Characteristics of the Campano-Maastrictian Sediments of the Anambra Basin, Southeastern Nigeria - Implication For Provenance, Paleodepositional Environment, Maturity and Tectonic Setting." In SPE Nigeria Annual International Conference and Exhibition. SPE, 2021. http://dx.doi.org/10.2118/207170-ms.

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Abstract The present study investigates the Anambra Basin shales to determine the provenance and maturity of the sediments using standard geochemical techniques. Twelve (12) representative samples recovered from shale sequences of The Mamu Formation and Nkporo Group of The Anambra Basin were studied to determine the sediment provenance, paleoenvironment, diagenetic conditions, maturity as well as the tectonic setting. To consider in detail and establish the inherent constituents of the Major minerals, Trace and Rare Earth elements, Inductively Coupled Plasma Mass Spectrometry (ICP-MS) analyses
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