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Статті в журналах з теми "Magma emplacement"
Dickson, F. W. "Chemical emplacement of magma." Journal of Geodynamics 30, no. 4 (November 2000): 475–87. http://dx.doi.org/10.1016/s0264-3707(00)00003-x.
Повний текст джерелаPaterson, Scott R., T. Kenneth Fowler, and Robert B. Miller. "Pluton emplacement in arcs: a crustal-scale exchange process." Earth and Environmental Science Transactions of the Royal Society of Edinburgh 87, no. 1-2 (1996): 115–23. http://dx.doi.org/10.1017/s0263593300006532.
Повний текст джерелаClemens, J. D., P. A. Helps, and G. Stevens. "Chemical structure in granitic magmas – a signal from the source?" Earth and Environmental Science Transactions of the Royal Society of Edinburgh 100, no. 1-2 (March 2009): 159–72. http://dx.doi.org/10.1017/s1755691009016053.
Повний текст джерелаKoukouvelas, I., G. Pe-Piper, and D. J. W. Piper. "Pluton emplacement by wall-rock thrusting, hanging-wall translation and extensional collapse: latest Devonian plutons of the Cobequid fault zone, Nova Scotia, Canada." Geological Magazine 133, no. 3 (May 1996): 285–98. http://dx.doi.org/10.1017/s001675680000902x.
Повний текст джерелаMenand, Thierry, Michel de Saint-Blanquat, and Catherine Annen. "Emplacement of magma pulses and growth of magma bodies." Tectonophysics 500, no. 1-4 (March 2011): 1–2. http://dx.doi.org/10.1016/j.tecto.2010.05.014.
Повний текст джерелаHutton, Donald H. W. "Granite emplacement mechanisms and tectonic controls: inferences from deformation studies." Earth and Environmental Science Transactions of the Royal Society of Edinburgh 79, no. 2-3 (1988): 245–55. http://dx.doi.org/10.1017/s0263593300014255.
Повний текст джерелаHogan, John P., M. Charles Gilbert, and Jon D. Price. "Crystallisation of fine- and coarse-grained A-type granite sheets of the Southern Oklahoma Aulacogen, U.S.A." Earth and Environmental Science Transactions of the Royal Society of Edinburgh 91, no. 1-2 (2000): 139–50. http://dx.doi.org/10.1017/s0263593300007331.
Повний текст джерелаWilson, Penelope I. R., Ken J. W. McCaffrey, and Robert E. Holdsworth. "Magma-driven accommodation structures formed during sill emplacement at shallow crustal depths: The Maiden Creek sill, Henry Mountains, Utah." Geosphere 15, no. 4 (June 24, 2019): 1368–92. http://dx.doi.org/10.1130/ges02067.1.
Повний текст джерелаThorpe, R. S., and R. Macdonald. "Geochemical evidence for the emplacement of the Whin Sill complex of northern England." Geological Magazine 122, no. 4 (July 1985): 389–96. http://dx.doi.org/10.1017/s0016756800031836.
Повний текст джерелаLATYPOV, RAIS, and SOFYA CHISTYAKOVA. "Phase equilibria testing of a multiple pulse mechanism for origin of mafic–ultramafic intrusions: a case example of the Shiant Isles Main Sill, NW Scotland." Geological Magazine 146, no. 6 (May 27, 2009): 851–75. http://dx.doi.org/10.1017/s0016756809006499.
Повний текст джерелаДисертації з теми "Magma emplacement"
Roman, Alberto M. "Emplacement and Post-Emplacement Dynamics of Magma Reservoirs." Sorbonne Paris Cité, 2015. http://www.theses.fr/2015USPCC179.
Повний текст джерелаThe evolved bulk composition of the continental crust suggests that a large mafic portion has been lost during the geological time. However, mafic and ultramafic bodies, such as the Bushveld complex, South Africa, and the Great Dyke Zimbabwe, have been preserved in the crust for billions of years. The implied question, then, is how mafic cumulates are lost and, more specifically, what is the long-term evolution of a magma reservoir, possibly including post-emplacement and post-crystallization processes. This work aims at this question with the following approach. First , we perform laboratory experiments with viscous fluids to investigate the instability associated to a buoyancy reversai and derive simple scaling laws governing the different dynamical regimes. Many mafic intrusions preserve flow structures, proving that they were affected by gravitational instabilities consistent with the regimes observed in the laboratory. In a second part, we investigate the physical conditions under which mafic intrusions become unstable using extensive numerical simulations which reproduce crustal flows. The mort important finding is that the main control on the instability is the emplacement depth. The results of this work thus suggests that many of the mafic intrusions we obsei:ve4today at the outcrop are the vestiges of much larger systems that became unstable. Consequently foundering and sinking of mafic cumulates through the crust may be a very common process in volcanic regions. This mechanism should shed light on the processes governing the formation and differentiation of the Barth crust
Plankell, Eric Thomas. "Magma emplacement models for the Jurassic Ferrar Dolerite Province, Antarctica /." Connect to resource, 1997. http://hdl.handle.net/1811/28549.
Повний текст джерелаEngland, Richard W. "The ascent and emplacement of granitic magma : the Northern Arran granite." Thesis, Durham University, 1988. http://etheses.dur.ac.uk/6609/.
Повний текст джерелаLiss, Dirk. "Emplacement processes and magma flow geometries of the Whin Sill complex." Thesis, University of Birmingham, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.403441.
Повний текст джерелаMcGowan, Ellen. "Magma emplacement and deformation in rhyolitic dykes : insight into magmatic outgassing." Thesis, Lancaster University, 2016. http://eprints.lancs.ac.uk/81586/.
Повний текст джерелаEmblin, S. R. "The Reinfjord ultramafic complex, Seiland province : emplacement history and magma chamber model." Thesis, University of Bristol, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.355634.
Повний текст джерелаRisby, Olle. "Crystallization and Emplacement of the Monte Amarelo Dikes: Magma Storage Assessment on Fogo, Cape Verde Islands." Thesis, Uppsala universitet, Institutionen för geovetenskaper, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-316988.
Повний текст джерелаVulkanön Fogo är en del av ögruppen Kap Verde i Atlanten. Ögruppen bildar en två delad arkipelag positionerad 500 km väster om det afrikanska fastlandet. Ön, tillika vulkanen Fogo har på senare tid varit en av de mest aktiva vulkanerna i världen med 10 utbrott under de senaste 250 åren. Ön byggdes upp av sköldvulkanen Monte Amarelo nådde 3500 m ö h innan delar av den kollapsade ned i Atlanten. Det massiva skredet som skedde mellan 86 och 124 tusen år sedan skapade högplatån Cha das Caldeiras samt den omringande klippsektionen Bordeira. Vi har samlat stenprover från de plutoniska bergarter som har trängt in sig i klippsektionen Bordeira. Målet med vår studie är att skapa en modell för hur magma lagringen fungerar under Fogo. Vi ämnar kartlägga magmalagringsdjupet med hjälp av kemiska variation i mineral som kan användas för att kartlägga kristalliseringstryck och temperatur som i t.ex. klinopyroxen. Vi är samtidigt intresserade av att veta vilka processer som sker i det magmatiska systemet och sambandet mellan vulkanska bergarter t.ex. lava och plutoniska bergarter. Tidigare studier av Fogos magmalagring har använt vulkaniska bergarter, som kristalliserar sig mellan 0.45 till 0.68 GPa när man undersökt kemin på kristallkanter av klinopyroxen. 20 prover har analyserats från Bordeiraklipporna och de innehåller låga kiselhalter, mellan 37 till 47% samt höga mängder alkaliska oxider så som kalium och natrium. Provernas mineralinnehåll består främst av större kristaller av silikatmineralen klinopyroxen ± olivin± fältspat ± främmande amfibolkristaller. De större kristallerna är omringande av en mikrokristallin grundmassa bestående av järn-titanoxider, apatit och fältspatoider. Klinopyroxen har en relativt stor kemisk variation, med Mg#37 till Mg#85, med ett medelvärde på Mg#71. Vi har även två olika sorter av fältspat, en grupp med ett kalciumrik rikt innehåll klassificeras som anortit, och en annan med ett kaliumrikt innehåll, som ortoklas. Vår analys av klinopyroxen-smälta har gett oss kristalliseringstryck som sträcker sig mellan 0.02 till 0.85 GPa med ett medelvärde på 0.47 GPa. Detta innebär att den dominerande processen i magmalagringssystemet är fraktionerad kristallisering då vi kan se ett linjärt avtagande för många ämnen när de jämförs mot magnesiumhalten. Vår magmalagringsmodell för vulkanen Fogo visar att klinopyroxenkrystallisering påbörjas i den litosfäriska manteln, mellan 15 och 28 km djup. Kristallisering av kanter på klinopyroxenkristaller samt mindre kristaller i grundmassan sker ytligare och visar på att det finns en eller flera magmalagringsnivåer i den oceaniska jordskorpan, mellan 9 till 12 km djup. Vulkaniska och plutoniska bergarter vittnar om ett delat magmasystem, vilket indikerar att skillnaden mellan de två bergarterna främst är tiden de befinner sig på respektive lagringsnivå. Vår strukturgeologiska data samt 3D modell visar att den intrusiva aktiviteten var primärt orienterad NV-SO, N-NO och O-Vriktning. Monte Amarelo-vulkanens skred och kollaps orsakades av intruderande gångar med en generell N-S orientering vilket ledde till ett skred på östsidan.
MICHAIL, Maria. "Emplacement of the Middle Triassic Monzoni Intrusive Complex (Dolomites, Italy): Insights from Analogue Models and Field Observations." Doctoral thesis, Università degli studi di Ferrara, 2018. http://hdl.handle.net/11392/2488199.
Повний текст джерелаLe Dolomiti formano la parte centro-orientale delle Alpi meridionali, nel Nord Italia. L’organizzazione stratigrafica dell'area dolomitica comprende principalmente terreni dal Permiano al Cretaceo, mentre è in gran parte dominata dalle magnifiche piattaforme carbonatiche triassiche e dai relativi bacini. L'area delle Dolomiti ha registrato numerosi eventi tettonici e magmatici, dal Permiano fino al Cretaceo. Durante la tettonica transtensionale del Triassico medio, associata a subsidenza differenziale, la parte sud-occidentale delle Dolomiti è stata soggetta a un evento tettonico-magmatico Ladinico (Medio Triassico) di breve durata, sviluppando una serie di rilevanti strutture magmatiche. I complessi intrusivi di Monzoni, Predazzo e Cima Pape sono situati nelle Dolomiti sud-occidentali e rappresentano le principali espressioni intrusive del magmatismo Ladinico. Questo progetto di dottorato offre nuove conoscenze sui meccanismi di messa in posto del Complesso Intrusivo dei Monzoni, combinando dati sul campo e modelli analogici su postazioni di magma. Il plutone dei Monzoni, che si trova parallelo alla Valle di San Pellegrino, appare allungato, con orientamento NE-SO, coprendo un'area di circa 4,0 km2. Le principali caratteristiche del plutone dei Monzoni, la forma allungata e l'affinità shoshonitica orogenica, suggeriscono una potenziale correlazione e controllo della messa in posto da parte di strutture trascorrenti ereditate o medio-triassiche. La generazione, l'ascesa e la messa in posto del plutone dei Monzoni e il suo rapporto con le strutture trascorrenti, sono ancora oggetto di dibattito. La mancanza di osservazioni dirette sul campo attribuite all'attività vulcano-tettonica, rende difficile la comprensione dei meccanismi di interazione tra faglie e magmatismo. Le mappe geologiche aggiornate basate sui nuovi dati di terreno, forniscono nuove informazioni sui limiti di intrusione controllati da faglie e sul modello deformativo delle formazioni incassanti e del plutone. Inoltre, indagini su anisotropia di suscettività magnetica (AMS) sull’intrusione dei Monzoni, rivelano la zonazione all'interno del plutone e indicano la presenza di un condotto di alimentazione principale nella parte nord-orientale dell'intrusione. Infine, la modellazione geologica 3D del complesso intrusivo dei Monzoni, coerente con i dati geologici, limita il volume del plutone a 4.35 km3 e offre una visione - semplificata dei rapporti tra plutone e rocce incassanti. Il Complesso Intrusive di Monzoni, grazie alla sua eccellente esposizione tridimensionale, è particolarmente adatto allo studio di sistemi vulcano-tettonici, permettendo anche l'applicazione e il confronto con modelli analogici. Durante questo progetto, sono stati condotti esperimenti di modellazione analogica di tipo sandbox, su lungo zone di taglio trascorrenti a scala crostale. Sono stati distinti due regimi tettonici, trascorrenza pura e transtensione, e tre relazioni temporali tra magmatismo e tettonica; intrusione pre-tettonica, sin-tettonica e post-tettonica. I risultati sperimentali mostrano che esiste una forte interazione tra le strutture tettoniche, in evoluzione o ereditate, ed il magmatismo e che le caratteristiche geometriche dei plutoni sperimentali rappresentano un buon indicatore per la classificazione dei plutoni, definendo i tempi e l'ambiente tettonico della messa in posto. La combinazione di tutte le metodologie applicate, suggerisce la messa in posto del plutone durante un regime tettonico transtensionale con due possibili scenari cinematici; una transtensione sinistra - direzione N70° o una transtensione destra lungo faglie N30°.
Wiegand, Miriam [Verfasser], and R. [Akademischer Betreuer] Greiling. "Magmatism and rifting at the South Atlantic margin: Magma transport and emplacement mechanisms of mafic dykes from magnetic studies / Miriam Wiegand ; Betreuer: R. Greiling." Karlsruhe : KIT-Bibliothek, 2016. http://d-nb.info/113116900X/34.
Повний текст джерелаBlacic, Tanya Marie. "Magma supply and storage in volcanic systems : shallow crustal emplacement processes and causes of the large axial high along the western Galápagos Spreading Center, and relation of earthquakes to tectonic and magmatic features near Lassen Peak, northern California /." For electronic version search Digital dissertations database. Restricted to UC campuses. Access is free to UC campus dissertations, 2005. http://uclibs.org/PID/11984.
Повний текст джерелаЧастини книг з теми "Magma emplacement"
Vauchez, Alain, Sergio Pacheco Neves, and Andréa Tommasi. "Transcurrent Shear Zones and Magma Emplacement in Neoproterozoic Belts of Brazil." In Petrology and Structural Geology, 275–93. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-017-1717-5_17.
Повний текст джерелаWilson, J. Richard, Julian F. Menuge, Svend Pedersen, and Ole Engell-Sørensen. "The Southern Part of the Fongen-Hyllingen Layered Mafic Complex, Norway: Emplacement and Crystallization of Compositionally Stratified Magma." In Origins of Igneous Layering, 145–84. Dordrecht: Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-017-2509-5_5.
Повний текст джерелаNutman, A. P., and A. A. Garde. "Fluid Control on Emplacement of Sialic Magmas During Archaean Crustal Accretion." In Fluid Movements — Element Transport and the Composition of the Deep Crust, 235–43. Dordrecht: Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-0991-5_21.
Повний текст джерелаFerré, Eric, Gérard Gleizes, M. Toufik Djouadi, Jean Luc Bouchez, and Francis X. O. Ugodulunwa. "Drainage and Emplacement of Magmas along an Inclined Transcurrent Shear Zone: Petrophysical Evidence from a Granite-Charnockite Pluton (Rahama, Nigeria)." In Petrology and Structural Geology, 253–73. Dordrecht: Springer Netherlands, 1997. http://dx.doi.org/10.1007/978-94-017-1717-5_16.
Повний текст джерелаBouchez, Jean-Luc, and Adolphe Nicolas. "Magmatic fabrics, structures and microstructures." In Principles of Rock Deformation and Tectonics, 137–63. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780192843876.003.0007.
Повний текст джерелаRipley, E., and C. Moore. "Multiple episodes of thin-layer magma emplacement in the Duluth Complex." In Water-Rock Interaction. Taylor & Francis, 2007. http://dx.doi.org/10.1201/noe0415451369.ch19.
Повний текст джерелаPhilpotts, Anthony R. "A model for emplacement of magma in the Mesozoic Hartford basin." In Geological Society of America Special Papers, 137–48. Geological Society of America, 1992. http://dx.doi.org/10.1130/spe268-p137.
Повний текст джерелаCruden, A. R., and R. F. Weinberg. "Mechanisms of Magma Transport and Storage in the Lower and Middle Crust—Magma Segregation, Ascent and Emplacement." In Volcanic and Igneous Plumbing Systems, 13–53. Elsevier, 2018. http://dx.doi.org/10.1016/b978-0-12-809749-6.00002-9.
Повний текст джерелаFrost, Carol D., and B. Ronald Frost. "Petrologic constraints on the origin of Proterozoic ferroan granites of the Laurentian margin." In Laurentia: Turning Points in the Evolution of a Continent. Geological Society of America, 2022. http://dx.doi.org/10.1130/2022.1220(10).
Повний текст джерелаHorsman, Eric, Sven Morgan, Michel de Saint-Blanquat, Guillaume Habert, Andrew Nugent, Robert A. Hunter, and Basil Tikoff. "Emplacement and assembly of shallow intrusions from multiple magma pulses, Henry Mountains, Utah." In Sixth Hutton Symposium on The Origin of Granites and Related Rocks: Proceedings of a Symposium held in Stellenbosch, South Africa, 2- 6 July 2007. Geological Society of America, 2010. http://dx.doi.org/10.1130/2010.2472(08).
Повний текст джерелаТези доповідей конференцій з теми "Magma emplacement"
van Wijk, Jolante, Shuoyu Yao, and Gary Axen. "A Model for Socorro Magma Body Emplacement." In 2017 New Mexico Geological Society Annual Spring Meeting. Socorro, NM: New Mexico Geological Society, 2017. http://dx.doi.org/10.56577/sm-2017.549.
Повний текст джерелаMattsson, Tobias, Steffi Burchardt, Bjarne S. G. Almqvist, Olivier Galland, Erika Ronchin, and Octavio J. Palma. "MAGMA DEFORMATION DURING LACCOLITH EMPLACEMENT: EXAMPLES FROM ICELAND AND ARGENTINA." In GSA Annual Meeting in Indianapolis, Indiana, USA - 2018. Geological Society of America, 2018. http://dx.doi.org/10.1130/abs/2018am-323736.
Повний текст джерелаOkhai, Disha, Michael Eddy, Joel DesOrmeau, and Ayla Pamukcu. "MAGMA EMPLACEMENT AND DIFFERENTIATION IN THE OLIGOCENE IXL PLUTON, NEVADA." In GSA Connects 2022 meeting in Denver, Colorado. Geological Society of America, 2022. http://dx.doi.org/10.1130/abs/2022am-378854.
Повний текст джерелаEddy, Michael, and Robert B. Miller. "MAGMA EMPLACEMENT PROCESSES IN THE RAPIDLY CONSTRUCTED GOLDEN HORN BATHOLITH, WASHINGTON." In Cordilleran Section-117th Annual Meeting-2021. Geological Society of America, 2021. http://dx.doi.org/10.1130/abs/2021cd-363152.
Повний текст джерелаShields, Sarah, Vladislav Rapprich, Jennifer Lindline, and Michael Petronis. "COMPLEX ALKALINE MAGMA EVOLUTION AND EMPLACEMENT HISTORY OF THE MIOCENE MONOGENETIC ZEBIN VOLCANO (CZECH REPUBLIC)." In GSA Annual Meeting in Denver, Colorado, USA - 2016. Geological Society of America, 2016. http://dx.doi.org/10.1130/abs/2016am-284579.
Повний текст джерелаBorel, Megan, and James J. Vogl. "FROM BRITTLE TO DUCTILE: THE RELATIONSHIP BETWEEN FOOTWALL FAULTS, MAGMA EMPLACEMENT AND ITS ASSOCIATED HEAT." In GSA 2020 Connects Online. Geological Society of America, 2020. http://dx.doi.org/10.1130/abs/2020am-359924.
Повний текст джерелаMcMurtry, Gary, Luis Dasilveira, Tobias Fischer, David Bekaert, and Peter Barry. "Helium isotopes constrain magma sources and emplacement beneath Kīlauea caldera during the 2018 and 2020 eruptions." In Goldschmidt2022. France: European Association of Geochemistry, 2022. http://dx.doi.org/10.46427/gold2022.9847.
Повний текст джерелаValley, Peter M., and Gregory Walsh. "MAGMA MINGLING AND CONTACT METAMORPHISM DURING ANORTHOSITE-MANGERITE-CHARNOCKITE-GRANITE SUITE EMPLACEMENT; EASTERN ADIRONDACK MOUNTAINS, NEW YORK." In Northeastern Section-56th Annual Meeting-2021. Geological Society of America, 2021. http://dx.doi.org/10.1130/abs/2021ne-361907.
Повний текст джерелаHorsman, Eric, Laura de Sousa, Ryan Currier, and Scott Giorgis. "DETAILED LACCOLITH EMPLACEMENT HISTORY DEMONSTRATES MECHANICAL INTERPLAY BETWEEN HYPABYSSAL MAGMA AND HOST ROCK: MOUNT ELLEN, HENRY MOUNTAINS, UTAH." In GSA Annual Meeting in Phoenix, Arizona, USA - 2019. Geological Society of America, 2019. http://dx.doi.org/10.1130/abs/2019am-334231.
Повний текст джерелаShields, Sarah, Jennifer Lindline, Vladislav Rapprich, and Michael Petronis. "NEW GEOCHEMICAL AND PETROGRAPHIC DATA REGARDING MAGMA EVOLUTION AND EMPLACEMENT PROCESSES OF THE OLIGOCENE ZAKUPY DIATREME (CZECH REPUBLIC)." In GSA Annual Meeting in Denver, Colorado, USA - 2016. Geological Society of America, 2016. http://dx.doi.org/10.1130/abs/2016am-284960.
Повний текст джерелаЗвіти організацій з теми "Magma emplacement"
Neyedley, K., J. J. Hanley, Z. Zajacz, and M. Fayek. Accessory mineral thermobarometry, trace element chemistry, and stable O isotope systematics, Mooshla Intrusive Complex (MIC), Doyon-Bousquet-LaRonde mining camp, Abitibi greenstone belt, Québec. Natural Resources Canada/CMSS/Information Management, 2021. http://dx.doi.org/10.4095/328986.
Повний текст джерелаBrenan, J. M., K. Woods, J. E. Mungall, and R. Weston. Origin of chromitites in the Esker Intrusive Complex, Ring of Fire Intrusive Suite, as revealed by chromite trace element chemistry and simple crystallization models. Natural Resources Canada/CMSS/Information Management, 2021. http://dx.doi.org/10.4095/328981.
Повний текст джерелаHarris, L. B., P. Adiban, and E. Gloaguen. The role of enigmatic deep crustal and upper mantle structures on Au and magmatic Ni-Cu-PGE-Cr mineralization in the Superior Province. Natural Resources Canada/CMSS/Information Management, 2021. http://dx.doi.org/10.4095/328984.
Повний текст джерела