Littérature scientifique sur le sujet « Discontinuité du Moho »
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Articles de revues sur le sujet "Discontinuité du Moho"
Khamrabaev, I. KH. « Nature of the Moho discontinuity in Central Asia ». Global Tectonics and Metallogeny 6, no 3-4 (1 janvier 1998) : 199–204. http://dx.doi.org/10.1127/gtm/6/1998/199.
Texte intégralHyndman, Roy D. « Tectonic Consequences of a Uniformly Hot Backarc and Why is the Cordillera Mountain Belt High ? » Geoscience Canada 42, no 4 (7 décembre 2015) : 383. http://dx.doi.org/10.12789/geocanj.2015.42.078.
Texte intégralKravchenko, S., L. I. Schachotko et I. T. Rass. « Moho discontinuity relief and the distribution of kimberlites and carbonatites in the northern Siberian Platform ». Global Tectonics and Metallogeny 6, no 2 (31 juillet 1996) : 137–40. http://dx.doi.org/10.1127/gtm/6/1996/137.
Texte intégralAgarwal, B. N. P., et R. K. Shaw. « Three dimensional configuration of Moho discontinuity over some parts of India from gravity field data ». Global Tectonics and Metallogeny 7, no 1 (1 janvier 1999) : 13. http://dx.doi.org/10.1127/gtm/7/1999/13.
Texte intégralRiazkov, Hristo. « The Moho discontinuity on the Balkan Peninsula and some geodynamic problems ». Geologica Balcanica 22, no 2 (30 avril 1992) : 81–93. http://dx.doi.org/10.52321/geolbalc.22.2.81.
Texte intégralSkoko, D., E. Prelogovič et B. Alinovič. « Geological structure of the Earth's crust above the Moho discontinuity in Yugoslavia ». Geophysical Journal International 89, no 1 (avril 1987) : 379–82. http://dx.doi.org/10.1111/j.1365-246x.1987.tb04434.x.
Texte intégralSusena, P. K. O., P. Ariyanto, B. Pranata, Daryono et S. P. Adi. « Depth Estimation of Moho Discontinuity Layer at 5 BMKG Seismic Stations in East Java Using Receiver Function Method ». IOP Conference Series : Earth and Environmental Science 1288, no 1 (1 décembre 2023) : 012007. http://dx.doi.org/10.1088/1755-1315/1288/1/012007.
Texte intégralMichailos, Konstantinos, György Hetényi, Matteo Scarponi, Josip Stipčević, Irene Bianchi, Luciana Bonatto, Wojciech Czuba et al. « Moho depths beneath the European Alps : a homogeneously processed map and receiver functions database ». Earth System Science Data 15, no 5 (24 mai 2023) : 2117–38. http://dx.doi.org/10.5194/essd-15-2117-2023.
Texte intégralWang, Hsiao-Lan, How-Wei Chen et Lupei Zhu. « Constraints on average Taiwan Reference Moho Discontinuity Model-receiver function analysis using BATS data ». Geophysical Journal International 183, no 1 (25 août 2010) : 1–19. http://dx.doi.org/10.1111/j.1365-246x.2010.04692.x.
Texte intégralBoykova, Antoaneta. « Moho discontinuity in central Balkan Peninsula in the light of the geostatistical structural analysis ». Physics of the Earth and Planetary Interiors 114, no 1-2 (juillet 1999) : 49–58. http://dx.doi.org/10.1016/s0031-9201(99)00045-x.
Texte intégralThèses sur le sujet "Discontinuité du Moho"
Gonçalves, Susana Ferreira D. S. « Geophysical characterization of the Crustal structures from Equatorial to North-East Brazilian margins ». Electronic Thesis or Diss., Brest, 2023. https://theses.hal.science/tel-04619710.
Texte intégralAdaptation and application of 3D gravity inversion with seismic constraint method to the study of the deep crustal structures of the Northwest Brazil passive margins. With a layer-stripping approach, the method has the capacity, robustness and coherency to study the geometry of the Moho discontinuity, or any other crustal layer, within the context of the passive margins environment. The obtained results have sufficient accuracy to distinguish transitions between different domains – continental domain, necking zones and oceanic domain. It is also capable to identify differences within the same domain when analyzing two parallel profiles, for example.Imaging of deep crustal structures with Reverse Time Migration method applied to two Wide-Angle Seismic data profiles, acquired by Ocean Bottom Seismometers and Land Seismic Stations. The method has capacity to image these type of structures in the two domains. The analysis of the two results is an important tool to investigate the shape and geometry of the necking zone even in profiles with asymmetric shooting. It is also shown the essential contribution of the refracted wavefield for its success.Merge of three sub-parallel Wide-Angle Seismic profiles in the Northwest area of Brazil into a unique profile of approximately 1800 km in length, providing an unique perspective on the evolution process of the opening of the South Atlantic Ocean. The merged profile showcases the similarities between the Equatorial and Central margins of the South Atlantic Ocean in spite of the different geodynamic processes and time of opening
Cai, Zhiyuan. « Global Mohorovicic Discontinuity Estimates Based on Isostatic Theories Using Gravity Data and Seismic Models ». The Ohio State University, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=osu159455139426099.
Texte intégralMorrissey, B. Janet. « Mapping Moho undulations beneath the Grand Banks of Newfoundland using gravity field data ». Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape4/PQDD_0030/MQ62407.pdf.
Texte intégralBabcock, Jeffrey Matthew. « Magma chamber structure and Moho reflections along the East Pacific Rise / ». Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 1997. http://wwwlib.umi.com/cr/ucsd/fullcit?p9737307.
Texte intégralRullière, Adrien. « Etude du comportement au cisaillement d'une discontinuité rocheuse : application aux calculs de stabilité d'un barrage-poids avec prise en compte de la cohésion apparente ». Thesis, Aix-Marseille, 2020. http://www.theses.fr/2020AIXM0122.
Texte intégralDams are subject to scheduled inspections to assess their stability. Indeed, shearing phenomena can occur around rock-rock joints inside the rock foundation mass or at the rock-concrete foundation contact. Professional guidelines recommend to perform direct experimental shear tests and to use the Mohr-Coulomb failure criterion to assess the shear strength of these discontinuities. Such a process allows getting an apparent cohesion value from the experimental data. However, for safety reasons, professional standards suggest, that the apparent cohesion should be taken as null. This practice is conservative and motivated by the lack of knowledge about the rock joint shear behavior and failure mechanisms. This PhD project, in collaboration with Université de Sherbrooke, INRAE and Hydro-Québec aims to : i) evaluate through an extensive experimental protocol the factors influencing the rock joint shear behavior and ii) develop a mechanical numerical model that takes into account the effect of roughness on the joints shear behavior. 110 direct shear tests were performed to assess the effect on the shear behavior of roughness, damaging, interlocking, normal load, material mechanical properties or contact. In this study, it appears that the roughness and the interlocking are the two main factors of influence. Empirical relationships between the joint shear mechanical behavior and its roughness were developed. Used with a Mohr-Coulomb mechanical model, it appeared that these relations were suitable to assess the joint shear mechanical behavior. Then, the model was exported to a case study: a dam and its rock mass foundation were modeled with discrete elements methods
Crespo, José António Feliciano Fidalgo Ferreira. « Ligar o construir no construido ». Master's thesis, Universidade de Lisboa. Faculdade de Arquitetura, 2015. http://hdl.handle.net/10400.5/10833.
Texte intégralChang, Hsin-Dieh, et 張芯堞. « The Moho discontinuity beneath Taiwan : Receiver functions and migration imaging ». Thesis, 2014. http://ndltd.ncl.edu.tw/handle/71633040444155912934.
Texte intégral國立臺灣大學
海洋研究所
102
We determine the depth variations of the Moho discontinuity beneath Taiwan from receiver functions and migration imaging. Taiwan is a young (~6.5 Ma) orogenic zone as a consequence of oblique collision between the Philippine Sea Plate and the Eurasian Plate. Much debate has centered on various models explaining the tectonic evolution of Taiwan orogeny. To that end, the depth of the Moho discontinuity is a key parameter for better understanding crustal deformation patterns associated with orogenic processes. In this study, we delineate the Moho depth variations by analyzing converted and scattered seismic waves. We analyze waveform data from teleseismic events recorded at the Broadband Array in Taiwan for Seismology (BATS) and temporary seismic stations of TGC-line and TGS-line of Taiwan Integrated GEodynamics Research project (TAIGER). We selected teleseismic events of magnitude larger than 5.5 and epicentral distance between 30 and 90 degrees. Our receiver function results show that there are likely more than one converted phases presenting within crustal depths beneath the stations we examine, suggesting the possible presence of multiple layering at least locally. Our migration images further reveal significant Moho topography across central and southern Taiwan, with the deepest Moho located under the Central Range. These results are generally consistent with the Moho location determined by 7.5 km/s contour in 3-D P-wave velocity model. Finally, we also observe a strong mid-crust discontinuity, perhaps associated with seismic anisotropy.
Xu, Kui-jiang, et 徐魁江. « Spatial Dip Angle Variation of TRMDM (Taiwan Reference Moho Discontinuity Model) ». Thesis, 2009. http://ndltd.ncl.edu.tw/handle/50714278134265647140.
Texte intégral國立中央大學
地球物理研究所
97
Receiver function (RF) waveform observation, analysis and simulation approaches are used to investigate the crustal thickness and main crustal structure discontinuity beneath each broadband station in Taiwan. The main goal of this study is to resolve the spatial depth and dip angle variations of Moho discontinuity. The proposed Taiwan Reference Moho Discontinuity Model (TRMDM) is based on the analysis of teleseismic data collected by stations deployed and maintained by the Institute of Earth Sciences (BATS) and Central Weather Bureau (BBCWB) with additional five temporary broadband arrays deployed along east-west and north-south transect lines across island organized under TAIGER (TAiwan Integrated GEodynamic Research) project. More than 500 teleseismic events from Incorporated Research Institutions for Seismology (IRIS) report were recorded by 104 BB stations during 2006-2008. The data selection criteria are that the teleseismic events with mb ≧ 5.5 and epicentral distance is from 30 to 95 degree. From synthetic modeling studies of RF profile for uniform dip, planar interface with sufficient velocity contrast, the radial component shows symmetric waveform variation with back azimuth angle. That is, the amplitude variation with back azimuth angle of P- phase has inverse relationship with Ps phase. For the same polarity, the maximum amplitude of P- phase will corresponds to minimum amplitude for Ps- phase. For transverse component, the anti-symmetric property, coincidence of amplitude variation and inverse polarity change between P- and Ps- phase varying with back azimuth angle can help to determine the dipping direction. In addition, for both components, the amplitude variation with incidence angle for direct P phase is more apparent than the changes in Ps phase. For teleseismic data analysis, interpretation and identification of Moho conversion phase from stacked RF through different stacking criteria and travel-time picks were performed. Time-to-depth conversion on the manually picked Ps phase arrival time, determination of dipping direction and angle variation of TRMDM beneath each station are studied. The single stacked RF trace from all incoming plane waves and stacked four traces from four major directions impinging upon each station are examined and compared their waveform, amplitude, polarity and arrival time variations in order to determined their dipping angle and direction. Ps arrival time information is used to constrain Moho depth. Relative thin crust (21-24-28 km) in the northernmost corner (TIPB-TWBB-WFSB) of the island may correspond to slab budge and/or back-arc opening of Okinawa trough. In northern Taiwan, the Moho depth derived from ten stations indicates that: Moho depth varying from 27 km (TGN05) to 33 km (TGN12) in region covers latitude 24.6o to 25o and longitude 121.1o to 121.6o. In the region close to the northern end of central mountain range, between latitude 24o to 24.5o and longitude 121.3o to 121.8o, significant deeper Moho depth varying from 42 km (NACB) to 53 km (TGN09). In the northern end of the backbone range close to Ilan and Hualien county border, the northeastward subduction and flexure bending of the Phillipine Sea plate causing crustal thickening while thin crust behind the plate bending corresponding to in the northernmost Taiwan. At southwestern end of Shuieh Shan and close to central Taiwan, Moho reaches depth of 50 km (TGC06) to its maximum of 56 km (Shunglong station, SSLB) and become shallow towards east coast. The mechanism involving significant Moho depth variations may attributes to lithospheric thickening due to arc-continent collision in central Taiwan. In southern Taiwan (south of latitude 23.5o), average Moho depth is 35 km which is consistence with average global Moho depth. In northern Taiwan, analyzing polarity variations of six BB stations show clear southward dipping of Moho surface which is consistent with result derived from Ps arrival time. Simulation of common-receiver RF stacking profile at each station provide more detailed information on their spatial azimuthal variation of Moho discontinuity beneath Taiwan island. For Kimen (KMNB) and Matsu (MATB) stations, the clear Ps and PpPmS phases, at 4.1 and 13 sec respectively, show that the average Moho depth is around 34 km. At Kimen station a northwestward dipping shallow interface at depth of 3 km (0.5 sec) is identified from transverse component. At Penhu (PHUB) station, although an obvious 0.5 second shift occurred for P- arrival, the clear arrivals at 3.0 and 4.5 seconds (Ps1 and Ps2) may indicate partial melting of felsic basaltic magma intrusion produce high elastic impedance contrasts in the upper and lower intrusive boundary. Further detail analyses on the conversion phase for other stations are required in the future. The proposed TRMDM can be further constrained base on the broadband data available from TEC data center.
Hsu, Hsuan-Ju, et 徐瑄儒. « 3D Topography of the Moho Discontinuity in the Taiwan Area as Extracted from Travel Time Inversion ». Thesis, 2011. http://ndltd.ncl.edu.tw/handle/45509697940114870136.
Texte intégral國立中正大學
地震研究所
99
In order to recognize the tectonic implications of the Taiwan orogeny process, I used the multiple phases travel time inversion to investigate the crustal structure of Taiwan. First, I inverted the 3-D topography of Moho discontinuity in the Taiwan area with the PmP phase travel time data (see chapter 2). Second, I used the seismic data recorded by the Central Weather Bureau Seismic Network and the GPS data to recognize the seismogenic process beneath the south-western foothills in Taiwan (see chapter 3). Third, I inverted the 2-D velocity, Conrad discontinuity, and Moho discontinuity model beneath the southern Taiwan with the first arrival P-phase, PdP phase, and PmP phase travel time data recorded by the Taiwan Integrated Geodynamic Research project (see chapter 4). Finally, I recognized the 3-D velocity and Moho discontinuity model in the Taiwan area with the multiple phases travel time inversion (see chapter 5).
Batista, Luis. « Structure and tectonics of the crust and Moho discontinuity of the Gloria Fault and Terceira Rift (S. Miguel) along the Nubia-Eurasia plate boundary ». Doctoral thesis, 2019. http://hdl.handle.net/10451/44159.
Texte intégralGerman Research Foundation, DFG, grant Hu698/19-1
Livres sur le sujet "Discontinuité du Moho"
Somerville, Paul. The influence of critical Moho reflections on strong ground motion attenuation in California. Sacramento, Calif : California Dept. of Conservation, Division of Mines and Geology, Office of Strong Motion Studies, 1993.
Trouver le texte intégralChapitres de livres sur le sujet "Discontinuité du Moho"
Lithgow-Bertelloni, Carolina. « Mohorovičić Discontinuity (Moho) ». Dans Encyclopedia of Marine Geosciences, 1–7. Dordrecht : Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-007-6644-0_202-1.
Texte intégralGiese, P. « MOHO DISCONTINUITY ». Dans Encyclopedia of Geology, 645–59. Elsevier, 2005. http://dx.doi.org/10.1016/b0-12-369396-9/00468-8.
Texte intégralMooney, Walter D. « The Moho Discontinuity ». Dans Encyclopedia of Geology, 732–43. Elsevier, 2021. http://dx.doi.org/10.1016/b978-0-08-102908-4.00049-7.
Texte intégralRogers, John J. W., et M. Santosh. « Assembly of Continents and Establishment of Lower Crust and Upper Mantle ». Dans Continents and Supercontinents. Oxford University Press, 2004. http://dx.doi.org/10.1093/oso/9780195165890.003.0007.
Texte intégralCraddock, John P., David H. Malone, Alex Konstantinou, John Spruell et Ryan Porter. « Calcite twinning strains associated with Laramide uplifts, Wyoming Province ». Dans Tectonic Evolution of the Sevier-Laramide Hinterland, Thrust Belt, and Foreland, and Postorogenic Slab Rollback (180–20 Ma). Geological Society of America, 2022. http://dx.doi.org/10.1130/2021.2555(06).
Texte intégralActes de conférences sur le sujet "Discontinuité du Moho"
Ramirez, Oscar, Genmeng Chen, Mike Saunders, Laurie Geiger, Milos Cvetkovic, Mark Roberts et Richard Clarke. « Mudline to Moho : Imaging from the seafloor to the Moho discontinuity offshore Argentina ». Dans SEG Technical Program Expanded Abstracts 2018. Society of Exploration Geophysicists, 2018. http://dx.doi.org/10.1190/segam2018-2997392.1.
Texte intégralTezel, T., et T. Shibutani. « Image of the Moho Discontinuity with Receiver Function Analysis ». Dans 5th Congress of Balkan Geophysical Society. European Association of Geoscientists & Engineers, 2009. http://dx.doi.org/10.3997/2214-4609-pdb.126.6246.
Texte intégralDelipetrev, Todor. « MOHO DISCONTINUITY ON THE TERRITORY OF THE REPUBLIC OF MACEDONIA ». Dans SGEM2011 11th International Multidisciplinary Scientific GeoConference and EXPO. Stef92 Technology, 2011. http://dx.doi.org/10.5593/sgem2011/s06.114.
Texte intégralWebb, S. J., T. K. Nguuri, J. Gore et D. E. James. « Gravity modeling of the Moho discontinuity and velocity perturbations of the upper most mantle. » Dans 7th SAGA Biennial Technical Meeting and Exhibition. European Association of Geoscientists & Engineers, 2001. http://dx.doi.org/10.3997/2214-4609-pdb.143.19.1.
Texte intégralElysseieva, I. S. « Direct Interpretation of Bouguer Anomaly for Its Sources Search near the Moho Discontinuity and Deeper ». Dans 2nd EAGE St Petersburg International Conference and Exhibition on Geosciences. European Association of Geoscientists & Engineers, 2006. http://dx.doi.org/10.3997/2214-4609-pdb.20.p151.
Texte intégralSoni, A., J. Monsalve et N. Ripepi. « Analysis of Pillar Strength and Design in a Karst-Affected Underground Stone Mine ». Dans 56th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2022. http://dx.doi.org/10.56952/arma-2022-0924.
Texte intégralSuresh More, Varsha, S. C. Malviya, Sanjoy Mukherjee et Deelip Singh. « Structural and Fracture Intensity Modelling, an Integrated Approach for Fracture Basement Characterization : A Case Study of Mumbai High Field, Western Offshore India ». Dans ADIPEC. SPE, 2023. http://dx.doi.org/10.2118/216840-ms.
Texte intégralWang, Rujun, Yanming Tong, Yintao Zhang, Chuan Wu, Yongfeng Zhu, Gaige Wang, Jiangyong Wu, Pin Yang et Chenqing Tan. « Demystifying Dynamic Evolution of Fault System and its Controls on Karsted Reservoirs by Multi-Technology Integration ». Dans Gas & Oil Technology Showcase and Conference. SPE, 2023. http://dx.doi.org/10.2118/213987-ms.
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