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Статті в журналах з теми "Proterozoic sedimentary basins"
Sønderholm, M., and H. F. Jepsen. "Proterozoic basins of North Greenland." Bulletin Grønlands Geologiske Undersøgelse 160 (January 1, 1991): 49–69. http://dx.doi.org/10.34194/bullggu.v160.6713.
Повний текст джерелаZamil, M. Sh. "A possible model of the Paleozoic sedimentary basins evolution at the North African platform." Proceedings of higher educational establishments. Geology and Exploration, no. 6 (December 28, 2017): 68–73. http://dx.doi.org/10.32454/0016-7762-2017-6-68-73.
Повний текст джерелаHopkins, Roy M. "THE CENTRAL AUSTRALIAN BASINS." APPEA Journal 29, no. 1 (1989): 347. http://dx.doi.org/10.1071/aj88030.
Повний текст джерелаGorton, Justin, and Alison Troup. "Petroleum systems of the Proterozoic in northwest Queensland and a description of various play types." APPEA Journal 58, no. 1 (2018): 311. http://dx.doi.org/10.1071/aj17115.
Повний текст джерелаTroup, Alison, and Sally Edwards. "Old basins, new seismic data – architecture of Proterozoic basins in Northwest Queensland." APPEA Journal 62, no. 2 (May 13, 2022): S502—S507. http://dx.doi.org/10.1071/aj21167.
Повний текст джерелаGeorge, Bivin G., Jyotiranjan S. Ray, and Sanjeev Kumar. "Geochemistry of carbonate formations of the Chhattisgarh Supergroup, central India: implications for Mesoproterozoic global events." Canadian Journal of Earth Sciences 56, no. 3 (March 2019): 335–46. http://dx.doi.org/10.1139/cjes-2018-0144.
Повний текст джерелаRainbird, R. "Some Advances in the Study of Proterozoic Sedimentary Basins of North America." Precambrian Research 129, no. 3-4 (March 10, 2004): 199–201. http://dx.doi.org/10.1016/j.precamres.2003.10.001.
Повний текст джерелаSARKAR, A., P. P. CHAKRABORTY, B. MISHRA, M. K. BERA, P. SANYAL, and S. PAUL. "Mesoproterozoic sulphidic ocean, delayed oxygenation and evolution of early life: sulphur isotope clues from Indian Proterozoic basins." Geological Magazine 147, no. 2 (September 9, 2009): 206–18. http://dx.doi.org/10.1017/s0016756809990380.
Повний текст джерелаHolk, Gregory J., T. Kurtis Kyser, Don Chipley, Eric E. Hiatt, and Jim Marlatt. "Mobile Pb-isotopes in Proterozoic sedimentary basins as guides for exploration of uranium deposits." Journal of Geochemical Exploration 80, no. 2-3 (September 2003): 297–320. http://dx.doi.org/10.1016/s0375-6742(03)00196-1.
Повний текст джерелаWhitford, D. J., P. J. Hamilton, and J. Scott. "SEDIMENTARY PROVENANCE STUDIES IN AUSTRALIAN BASINS USING NEODYMIUM MODEL AGES." APPEA Journal 34, no. 1 (1994): 320. http://dx.doi.org/10.1071/aj93029.
Повний текст джерелаДисертації з теми "Proterozoic sedimentary basins"
Vallini, Daniela Alessandra. "The formation of authigenic xenotime in Proterozoic sedimentary basins : petrography, age and geochemistry." University of Western Australia. Geology and Geophysics Discipline Group, 2006. http://theses.library.uwa.edu.au/adt-WU2006.0070.
Повний текст джерелаSimplicio, Fábio 1985. "Formação Bandeirinha, região de Diamantina (MG) : um exemplo, no proterozoico, de lençol de areia eólica." [s.n.], 2013. http://repositorio.unicamp.br/jspui/handle/REPOSIP/287334.
Повний текст джерелаDissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Geociências
Made available in DSpace on 2018-08-23T12:00:04Z (GMT). No. of bitstreams: 1 Simplicio_Fabio_M.pdf: 8080825 bytes, checksum: fba3debc6ddf60e9930361db9c5c3855 (MD5) Previous issue date: 2013
Resumo: Os lençóis de areia eólica são sistemas deposicionais constituídos em áreas de morfologia plana ou ligeiramente ondulada. As formas de leito predominantes nos lençóis de areia são as marcas onduladas de vento. Tais formas de leito podem ocorrer em comboios ou compondo zibars. Os zibars são formas de leito similares às dunas. Nos zibars não há geração de estratos de queda. Embora muitos estudos reconheçam sistemas de deposição eólica pré-cambrianos, poucos são direcionados aos lençóis de areia eólica. Igualmente negligenciados são os zibars. A Formação Bandeirinha é a unidade inferior do Supergrupo Espinhaço. Depósitos de arenitos vermelhos intercalados a conglomerados intraformacionais compõem esta unidade. Três elementos arquiteturais foram individualizados: zibars, dunas com faces de deslizamento e canais efêmeros. Os depósitos de zibars são arenitos finos a grossos, moderadamente bem selecionados, constituídos por sets de arenitos com laminações planas e paralelas, de geometria tabular ou em cunha. Os sets ocorrem sobrepostos, separados por superfícies truncadas, e constituem cosets. Os depósitos de dunas com faces de deslizamento são arenitos finos a médios, muito bem selecionados, que ocorrem na forma de corpos de geometria lenticular. Os depósitos de canais efêmeros são constituídos por corpos de conglomerados intraformacionais, clasto-suportados, de base côncava, os quais ocorrem em contato erosivo sobre os estratos de arenitos. As superfícies erosivas, de contato entre arenitos e conglomerados, têm amplitude regional. A Formação Bandeirinha é interpretada como uma sucessão sedimentar formada em um lençol de areia eólica dominado por zibars. A alternância entre depósitos de arenitos eólicos e conglomerados revela variações climáticas de ordem regional, onde a deposição eólica (clima seco) era interrompida por deposição subaquosa (clima mais úmido). Neste lençol de areia, o balanço entre entrada e saída de materiais clásticos foi sempre positivo, a construção eólica foi contínua nos períodos mais secos. A estabilização do sistema foi resultado dos processos de cimentação no substrato. A subsidência tectônica foi o principal mecanismo de preservação do sistema eólico
Abstract: The aeolian sand sheets are depositional systems formed in areas with flat or slightly undulating morphology. The predominant bedforms in sand sheets are climbing wind ripples. These bedforms may occur in convoys or composing zibars. The zibars are similar to dunes, but without avalanching faces. Although many studies recognise aeolian Precambrian systems, few works deal with aeolian sand sheets. Equally neglected are the zibars. The Bandeirinha Formation is the lower unit of the Espinhaço Supergroup. Deposits of red sandstones intercalated with intraformational conglomerates compose this unit. Three architectural elements are recognised: zibars, dunes with slip faces and ephemeral channels. Deposits of zibars are fine to coarse grained sandstones, moderately well sorted, and composed by sets of planar-parallel laminations sandstones, in tabular geometry. The sets are superimposed and occur separated by truncated surfaces that constitute cosets. The dunes with slip face are fine to medium grained, very well sorted, and occur as lenticular bodies. The ephemeral channel deposits consist of intraformational conglomerates, clast-supported, with concave erosive basal surface on the sandstone strata. The erosive surfaces of the conglomerates seem to have a regional extension. The Bandeirinha Formation is interpreted as an aeolian sand sheet dominated by zibars. The transition between aeolian sandstones and conglomerates reveals climate variations of regional range, where aeolian deposition, which corresponds to dry climate phase, was interrupted by subaqueous deposition, in more humid climate. During the sand sheet deposition, the balance between input and output of clastic materials was always positive, the aeolian construction was continuous. The stabilization of the aeolian system was result of cementation processes of shallow depth. The tectonic subsidence was the main mechanism of preservation of the aeolian system
Mestrado
Geologia e Recursos Naturais
Mestre em Geociências
Delpomdor, Franck. "Sedimentology, geochemistry and depositional environments of the 1175-570 Ma carbonate series, Sankuru-Mbuji-Mayi-Lomami-Lovoy and Bas-Congo basins, Democratic Republic of Congo: new insights into late Mesoproterozoic and Neoproterozoic glacially- and/or tectonically-influenced sedimentary systems in equatorial Africa." Doctoral thesis, Universite Libre de Bruxelles, 2013. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/209486.
Повний текст джерелаwas an enigmatic period characterized by the development of the first stable long-lived ~1.1-
0.9 Ga Rodinia and 550-500 Ma Gondwana supercontinents, global-scale orogenic belts,
extreme climatic changes (cf. Snowball Earth Hypothesis), the development of microbial
organisms facilitating the oxidizing atmosphere and explosion of eukaryotic forms toward the
first animals in the terminal Proterozoic. This thesis presents a multidisciplinary study of two
Neoproterozoic basins, i.e. Bas-Congo and Sankuru-Mbuji-Mayi-Lomami-Lovoy, in and around the Congo Craton including sedimentology, geochemistry, diagenesis, chemostratigraphy and radiometric dating of carbonate deposits themselves.
The Mbuji-Mayi Supergroup sequence deposited in a SE-NW trending 1500 m-thick siliciclastic-carbonate intracratonic failed-rift basin, extends from the northern Katanga Province towards the centre of the Congo River Basin. The 1000 m-thick carbonate succession is related to the evolution of a marine ramp submitted to evaporation, with ‘deep’ shaly basinal and low-energy carbonate outer-ramp environments, marine biohermal midramp (MF6) and ‘very shallow’ restricted tide-dominated lagoonal inner-ramp (MF7-MF9) settings overlain by lacustrine (MF10) and sabkha (MF11) environments, periodically
submitted to a river water source with a possible freshwater-influence. The sequence stratigraphy shows that the sedimentation is cyclic in the inner ramp with plurimetric ‘thin’ peritidal cycles (± 4 m on average) recording a relative sea level of a maximum of 4 m, with fluctuations in the range of 1-4 m. The outer/mid ramp subtidal facies are also cyclic with ‘thick’ subtidal cycles characterized by an average thickness of ± 17 m, with a probable sealevel
fluctuations around 10 to 20 m. The geochemistry approach, including isotopic and major/trace and REE+Y data, allows to infer the nature of the dolomitization processes operating in each carbonate subgroup, i.e dolomitization may be attributed to evaporative reflux of groundwater or to mixing zones of freshwater lenses. The latest alteration processes occured during the uplift of the SMLL Basin. New ages, including LA-ICP-MS U-Pb laser ablation data on detrital zircon grains retrieved in the lower arenaceous-pelitic sequence (BI group), combined with carbon and strontium isotopic analyses, yielded a new depositional time frame of the Mbuji-Mayi Supergroup between 1176 and 800 Ma reinforcing the formerly suggested correlation with the Roan Group in the Katanga Province.
In the Democratic Republic of Congo, the Sturtian-Marinoan interglacial period was previously related to pre-glacial carbonate-dominated shallow marine sedimentation of the Haut-Shiloango Subgroup with stromatolitic reefs at the transition between greenhouse (warm) and icehouse (cold) climate periods, commonly marked by worldwide glacigenic diamictites and cap carbonates. This thesis highlights that these deposists record as a deepening-upward evolution from storm-influenced facies in mid- and outer-ramps to deepwater environments, with emplacement of mass flow deposits in toe-of-slope settings controlled by synsedimentary faults. In absence of diagnostic glacial features, the marinoan Upper Diamictite Formation is interpreted as a continuous sediment gravity flow deposition along carbonate platform-margin slopes, which occurred along tectonically active continental margins locally influenced by altitude glaciers, developed after a rift–drift transition. The maximum depth of the deepening-upward facies is observed in the C2a member. The
shallowing-upward facies exibit a return of distally calcareous tempestites and semi-restricted to restricted peritidal carbonates associated with shallow lagoonal subtidal and intertidal zones submitted to detrital fluxes in the upper C2b to C3b members.
The geochemistry highlights (i) the existence of a δ13C-depth gradient of shallow-water and deep-water carbonates; (ii) the carbonate systems were deposited in oxic to suboxic conditions; and (iii) all samples have uniform flat non-marine shale-normalized REE+Y distributions reflecting
continental detrital inputs in nearshore environments, or that the nearshore sediments were
reworked from ’shallow’ inner to mid-ramp settings in deep-water slope and outer-ramp
environments, during the rift-drift transition in the basin. The pre-, syn- and post-glacial
carbonate systems could record a distally short-lived regional synrift freshwater-influenced
submarine fan derived from nearshore sediments, including gravity flow structures, which are
attributed to regional tectonic processes due to a sudden deepening of the basin caused by
differential tilting and uplifting of blocks, related to the 750-670 Ma oceanic spreading of the
central-southern Macaúbas Basin.
Combining sedimentology, isotopes and trace elemental geochemistry, the thesis highlights
that the δ13C variations in the Neoproterozoic carbonates are complex to interpret, and can be
related to: (i) the existence of a δ13C-depth gradient; (ii) the exchange between isotopically
light carbon in meteoric waters and carbonate during lithification and early diagenesis; and
(iii) isotopic perturbations due to regional metamorphism. Considering the possible englaciation of the Earth (Snowball Earth hypothesis), the Mbuji-Mayi Supergroup and West
Congolian Group seem reflected the intimate relationship between glaciations and tectonic
activity during the break-up of the Rodinia supercontinent, followed by the rift–drift
transition, and finally the pre-orogenic period on the passive continental margin.
Doctorat en Sciences
info:eu-repo/semantics/nonPublished
Книги з теми "Proterozoic sedimentary basins"
C, Goff J., Williams B. P. J, Geological Society of London. Petroleum Specialist Group., and Geological Society of London. Hydrogeological Specialist Group., eds. Fluid flow in sedimentary basins and aquifers. Oxford, OX: Published for the Geological Society by Blackwell Scientific Publications, 1987.
Знайти повний текст джерелаTim, Pharaoh, Beckinsale R. D, Rickard David T. 1943-, Geological Society of London, International Lithosphere Program, and International Geological Correlation Programme. Project 217, Proterozoic Geochemistry., eds. Geochemistry and mineralization of Proterozoic volcanic suites. Oxford: Published for the Geological Society by Blackwell Scientific Publications, 1987.
Знайти повний текст джерелаЧастини книг з теми "Proterozoic sedimentary basins"
Chakraborty, Partha Pratim, S. K. Tandon, Sagnik Basu Roy, Subhojit Saha, and Pritam P. Paul. "Proterozoic Sedimentary Basins of India." In Geodynamics of the Indian Plate, 145–77. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-15989-4_4.
Повний текст джерелаDas, Supriyo Kumar, and Neal Gupta. "Early Life from the Proterozoic Sedimentary Basins of India." In Geodynamics of the Indian Plate, 195–212. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-15989-4_6.
Повний текст джерелаNicholson, P. G. "A Basin Reappraisal of the Proterozoic Torridon Group, Northwest Scotland." In Tectonic Controls and Signatures in Sedimentary Successions, 183–202. Oxford, UK: Blackwell Publishing Ltd., 2009. http://dx.doi.org/10.1002/9781444304053.ch11.
Повний текст джерелаLindsay, John F., and John D. Gorter. "Clastic Petroleum Reservoirs of the Late Proterozoic and Early Paleozoic Amadeus Basin, Central Australia." In Frontiers in Sedimentary Geology, 39–74. New York, NY: Springer New York, 1993. http://dx.doi.org/10.1007/978-1-4757-0160-9_3.
Повний текст джерелаGrotzinger, John P., and David S. McCormick. "Flexure of the Early Proterozoic Lithosphere and the Evolution of Kilohigok Basin (1.9 Ga), Northwest Canadian Shield." In Frontiers in Sedimentary Geology, 405–30. New York, NY: Springer New York, 1988. http://dx.doi.org/10.1007/978-1-4612-3788-4_20.
Повний текст джерелаOjakangas, Richard W. "Glaciation: An Uncommon “Mega-Event” as a Key to Intracontinental and Intercontinental Correlation of Early Proterozoic Basin Fill, North American and Baltic Cratons." In Frontiers in Sedimentary Geology, 431–44. New York, NY: Springer New York, 1988. http://dx.doi.org/10.1007/978-1-4612-3788-4_21.
Повний текст джерелаEriksson, K. A., E. L. Simpson, and M. J. Jackson. "Stratigraphical Evolution of a Proterozoic Syn-Rift to Post-Rift Basin: Constraints on the Nature of Lithospheric Extension in the Mount Isa Inlier, Australia." In Tectonic Controls and Signatures in Sedimentary Successions, 203–21. Oxford, UK: Blackwell Publishing Ltd., 2009. http://dx.doi.org/10.1002/9781444304053.ch12.
Повний текст джерелаWilliams, Neil. "Light-Element Stable Isotope Studies of the Clastic-Dominated Lead–Zinc Mineral Systems of Northern Australia and the North American Cordillera: Implications for Ore Genesis and Exploration." In Isotopes in Economic Geology, Metallogenesis and Exploration, 329–72. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-27897-6_11.
Повний текст джерелаRiggs, Nancy, Brian McConnell, and John Graham. "Sedimentary provenance of Silurian basins in western Ireland during Iapetus closure." In New Developments in the Appalachian-Caledonian- Variscan Orogen. Geological Society of America, 2022. http://dx.doi.org/10.1130/2021.2554(16).
Повний текст джерелаLarge, Ross R., Stuart W. Bull, Peter J. McGoldrick, Steve Walters, Geoff M. Derrick, and Graham R. Carr. "Stratiform and Strata-Bound Zn-Pb-Ag Deposits in Proterozoic Sedimentary Basins, Northern Australia." In One Hundredth Anniversary Volume. Society of Economic Geologists, 2005. http://dx.doi.org/10.5382/av100.28.
Повний текст джерелаТези доповідей конференцій з теми "Proterozoic sedimentary basins"
K. Bazhenova, O., T. K. Bazhenova, and N. P. Fadeeva. "Upper Proterozoic Sedimentary Basins of Ancient Russian Platforms." In 68th EAGE Conference and Exhibition incorporating SPE EUROPEC 2006. European Association of Geoscientists & Engineers, 2006. http://dx.doi.org/10.3997/2214-4609.201402245.
Повний текст джерелаJones, James V. "PROTEROZOIC SEDIMENTARY BASINS AS SENSITIVE RECORDERS OF THE GROWTH, CRATONIZATION, AND PLATE INTERACTIONS OF WESTERN NORTH AMERICA." In GSA Annual Meeting in Phoenix, Arizona, USA - 2019. Geological Society of America, 2019. http://dx.doi.org/10.1130/abs/2019am-332956.
Повний текст джерелаUdegova, V. V., and Yu F. Filippov. "POTENTIALLY OIL AND GAS COMPLEXES OF THE CIS-YENISEI SEDIMENTARY BASIN IN THE SOUTHEAST OF WESTERN SIBERIA." In All-Russian Youth Scientific Conference with the Participation of Foreign Scientists Trofimuk Readings - 2021. Novosibirsk State University, 2021. http://dx.doi.org/10.25205/978-5-4437-1251-2-48-51.
Повний текст джерелаYoshiya, Kazumi, Yusuke Sawaki, Manabu Nishizawa, Yohei Matsui, Tsuyoshi Komiya, and Shigenori Maruyama. "NITROGEN/CARBON ISOTOPE RATIOS FROM THE EARLY TO MIDDLE PROTEROZOIC SEDIMENTARY ROCKS, MCARTHUR BASIN, NORTHERN AUSTRALIA." In GSA Annual Meeting in Denver, Colorado, USA - 2016. Geological Society of America, 2016. http://dx.doi.org/10.1130/abs/2016am-281347.
Повний текст джерелаЗвіти організацій з теми "Proterozoic sedimentary basins"
Bingham-Koslowski, N., L. T. Dafoe, M R St-Onge, E. C. Turner, J. W. Haggart, U. Gregersen, C. E. Keen, A. L. Bent, and J. C. Harrison. Introduction and summary. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/321823.
Повний текст джерела