Relevant bibliographies by topics / Magmatic sources

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Magmatic sources'

Author: Grafiati
Published: 11 December 2022
Last updated: 31 July 2025

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Journal articles on the topic "Magmatic sources"

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Arnórsson, S. "CO2 from Magmatic Sources in Iceland." Mineralogical Magazine 58A, no. 1 (1994): 27–28. http://dx.doi.org/10.1180/minmag.1994.58a.1.17.

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Chugaev, A. V. "Orogenic Gold Deposits of Northern Transbaikalia, Russia: Geology, Age, Sources, and Genesis." Geochemistry International 62, no. 9 (2024): 909–78. http://dx.doi.org/10.1134/s0016702924700484.

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Abstract The paper presents newly obtained and summarizes preexisting data of long-term geochronological and isotope studies of orogenic mesothermal gold deposits in the world’s largest Lena metallogenic province and reviews interpretations of their genesis. Geochronologic data indicate that the gold mineralization was formed during three ore-forming Paleozoic events. The early Late Ordovician–Early Silurian (450–430 Ma) event produced the abundant veinlet—disseminated gold–sulfide mineralization in Neoproterozoic carbonaceous terrigenous–carbonate rocks of the Baikal–Patom foldbelt (BPB). The
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Ashwal, Lewis D., Madelein Patzelt, Mark D. Schmitz, and Kevin Burke. "Isotopic evidence for a lithospheric origin of alkaline rocks and carbonatites: an example from southern Africa." Canadian Journal of Earth Sciences 53, no. 11 (2016): 1216–26. http://dx.doi.org/10.1139/cjes-2015-0145.

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Alkaline rocks and carbonatites, including nepheline syenites, are well established as mantle-derived magmatic products, but the nature and location of their mantle sources is debated. Some workers have used isotopic compositions to infer mixed mantle plume type sources such as EM1, HIMU, and FOZO, implying derivation from the subcontinental asthenosphere. Other models favour an entirely lithospheric source, whereby the magmas, originally formed during intracontinental rifting, became deformed and subducted into the mantle lithosphere during later continental collisions, and constituted part o
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Chugaev, А. V. "Orogenic gold deposits of the Northern Transbaikalia (Russia): geology, age, sources and genesis." Geohimiâ 69, no. 9 (2024): 752–830. https://doi.org/10.31857/s0016752524090015.

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The results of long-term geochronological and isotope-geochemical studies of mesothermal gold deposits of orogenic type in the world’s largest Lena metallogenic province are summarized, and the evaluation of existing conceptions of their genesis is given. On the basis of geochronological data the presence of three ore-forming events manifested in the region in the Paleozoic time is proved. The early Late Ordovician-Early Silurian (450-430 Ma) event is associated with large-scale vein-embedded gold-sulfide mineralization in Neoproterozoic carbonaceous terrigenous-carbonate rocks of the Baikal-P
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Chiaradia, Massimo, Lluís Fontboté, and Agustín Paladines. "Metal Sources in Mineral Deposits and Crustal Rocks of Ecuador (1° N–4° S): A Lead Isotope Synthesis." Economic Geology 99, no. 6 (2004): 1085–106. http://dx.doi.org/10.2113/econgeo.99.6.1085.

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Abstract Ecuador consists of terranes having both continental (Chaucha, Tahuin, Loja terranes) and oceanic (Macuchi, Alao, Salado terranes) affinity, which were accreted to the Amazon craton from Late Jurassic to Eocene. Four main magmatic arcs were formed by the subduction of the Farallon/Nazca plate since the Jurassic: a Jurassic continental arc on the western margin of the Amazon craton, a Jurassic island arc (Alao terrane), an early Tertiary island arc (Macuchi terrane), and a middle-late Tertiary continental arc encompassing the terranes of Macuchi, Chaucha, Tahuin, Loja, and Alao after c
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Georgiev, Svetoslav. "Hafnium isotopes in zircons track the changing sources for the Late Cretaceous magmatism in Eastern Srednogorie, Bulgaria." Review of the Bulgarian Geological Society 82, no. 3 (2021): 274–76. http://dx.doi.org/10.52215/rev.bgs.2021.82.3.274.

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We present new Hf isotopic data of magmatic zircons from the Eastern Srednogorie zone. The data outline two clear temporal trends: rising initial εHf from the initiation of the magmatism at ~95 Ma to 81 Ma, followed by a rapid decline in the initial εHf in the 81–78 Ma time period. The first trend highlights the increasing participation of mantle melts in the formation of magmatic products in the East Balkan and Strandzha regions, which is likely dictated by the southward retreat of the subducting slab. This trend is also evident in published Hf isotopic data on zircons from Central Srednogori
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Zhu, Bin, Hongfu Zhang, M. Santosh, et al. "Iron Isotopes Constrain the Metal Sources of Skarn Deposits: A Case Study from the Han-Xing Fe Deposit, China." Minerals 10, no. 11 (2020): 951. http://dx.doi.org/10.3390/min10110951.

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Magmatic fluids and leaching of rocks are regarded as the two sources of magmatic hydrothermal deposits, but their relative contributions to the metals in the deposits are still unclear. In this study, we combine major elements and Fe isotopes in two sets of rocks from the Han-Xing iron skarn deposit in China to constrain the iron sources. The positive correlation between the δ56Fe and ∑Fe2O3/TiO2 of altered diorites (∑Fe2O3 refers to the total iron) demonstrates that heavy Fe isotopes are preferentially leached from diorites during hydrothermal alteration. However, except for the pyrite, all
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BITENCOURT, MARIA DE FÁTIMA, EVERTON MARQUES BONGIOLO, RUY PAULO PHILIPP, et al. "Estratigrafia do Batólito Florianópolis, Cinturão Dom Feliciano, na Região de Garopaba-Paulo Lopes, SC." Pesquisas em Geociências 35, no. 1 (2008): 109. http://dx.doi.org/10.22456/1807-9806.17898.

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In southern Brazil, the Florianopolis Batholith results from prolonged, mainly granitic magmatism, as part of the Neoproterozoic Dom Feliciano Belt. Plutonic associations in this belt are related to transpressive tectonism (650-580 Ma) in post-collisional setting, where the translithospheric discontinuities of the Southern Brazilian Shear Belt have triggered magmatism, acting as channels for melts originated in deep crustal or mantle sources. In the region of Garopaba-Paulo Lopes, a fraction of this magmatism was studied, resulting in a formal proposition for its stratigraphic organization in
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Mendonça, Carlos Alberto, William Pareshi Soares, and Felipe Lisbona Cavalcante. "Annihilator transform for magnetic lineaments removal in dike swarms." GEOPHYSICS 84, no. 4 (2019): J31—J41. http://dx.doi.org/10.1190/geo2018-0308.1.

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Dike swarms are igneous structures of continental expression accounting for major episodes of magmatism in igneous provinces, mantle plume heads, and continental breakup. In regional magnetic maps, dike swarms are recognized by high-amplitude lineaments indicative of lengthy and juxtaposed magnetized bodies. High-anomaly amplitudes from such tabular (2D) bodies tend to obscure lower amplitude contributions from localized 3D sources, representative of magmatic structures that once served as magma plumbing and storage. The recognition of such subtle signals with conventional filtering techniques
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Sakhno, V. G., and L. S. Tsurikova. "Isotopic and geochemical features of the genesis of igneous complexes and ore-magmatic systems in the Chukotka sector of the Russian Arctic coast." LITHOSPHERE (Russia) 20, no. 2 (2020): 196–211. http://dx.doi.org/10.24930/1681-9004-2020-20-2-196-211.

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Research subject. The isotopic composition (Pb-Pb, Sm-Nd, Rb-Sr, Os/Os, Hf/Hf, 3 He/4 He, etc.) of magmatic complexes and ore-magmatic systems (OMS) of two ore clusters (Kupolsky and Ilirneysky) located in the subpolar Western Chukotka was studied. These ore clusters differ from each other both in their structural position and the age of their magmatic complexes, within which the largest deposits of Au-Ag type are known. Materials and methods. The Pb-Pb, Rb-Sr, SmNd, Re-Os, Lu-Hf, 3 He/4 He, 40Ar/36Ar and sulphur isotopic systems were studied at the VSEGEI centre for isotopic studies (St. Pete
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Dissertations / Theses on the topic "Magmatic sources"

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Mizzon, Hugau. "The magmatic crust of Vesta." Thesis, Toulouse 3, 2015. http://www.theses.fr/2015TOU30124/document.

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Les astéroïdes Cérès et Vesta ont motivé la mission spatiale Dawn parce qu'ils représentent deux embryons planétaires différents restés relativement intacts depuis leur formation. Vesta est large- ment considéré comme le corps parent des météorites HED témoins d'une activité magmatique probablement due à la présence de l'isotope radioactif 26Al qui était suffisamment abondant pour permettre la fusion interne des corps rocheux primitifs. La composition d'une surface planétaire peut être mesurée grâce à l'analyse des rayons gammas qu'elle produit. Pour la sonde Dawn cela est rendu possible par l
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Salters, Vincent J. M. "The use of Hf-isotopes and high field strength elements to constrain magmatic processes and magma sources." Thesis, Massachusetts Institute of Technology, 1989. http://hdl.handle.net/1721.1/58018.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, 1989.<br>Includes bibliographical references.<br>by Vincentius Johannes Maria Salters.<br>Ph.D.
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Achin, Isabelle. "Caractérisation des sources d'uranium à l'Archéen : mécanismes de genèse des gisements d'uranium les plus anciens (3,0 à 2,2 Ga) et des préconcentrations uranifères paléoprotérozoïques." Thesis, Nancy 1, 2010. http://www.theses.fr/2010NAN10045/document.

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Les plus anciens gisements d’uranium connus sur Terre sont les gisements de type paléo-placer hôtes de conglomérats à cailloux de quartz d’âge compris entre 3,09 et 2,2 Ga. Ces gisements représentent les reliques de l’ancienne croûte continentale archéenne maintenant érodée. L’origine de leurs concentrations primaires, correspondant à des accumulations de grains détritiques d’uraninite, est toujours sujette à controverse et la nature et les processus de formation des roches sources archéennes demeurent incertains.Ce travail présente l’analyse minéralogique et géochimique détaillée des minérali
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Beaumais, Aurélien. "Géochimie de l'arc du Vanuatu : évolution spatio-temporelle des édifices volcaniques et des sources mantelliques." Phd thesis, Université de Bretagne occidentale - Brest, 2013. http://tel.archives-ouvertes.fr/tel-00919413.

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L'archipel volcanique actif du Vanuatu s'édifie au coeur du pacifique sud-ouest au niveau de la frontière convergente des plaques australienne et pacifique. Je présente ici une nouvelle étude géochimique des laves du Vanuatu à partir de la détermination des compositions en éléments majeurs et traces, et des compositions isotopiques (Sr-Nd-Hf-Pb) d'une centaine d'échantillons de laves (< 2 Ma).L'étude des magmas les plus primitifs a permis de mettre en évidence la variation de composition des sources mantelliques le long de l'arc et d'individualiser 3 segments : "central", dans la zone de colli
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Romanova, Irina. "Volcanology and geochemistry of the Cretaceous volcaniclastic deposits and basalts from Ori Massif, Shatsky Rise Oceanic Plateau." Thesis, Queensland University of Technology, 2017. https://eprints.qut.edu.au/108162/1/Irina_Romanova_Thesis.pdf.

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This study enhanced our understanding of the origin and evolution of Ori Massif, Shatsky Rise Oceanic Plateau. Key findings are: 1. Volcaniclastic deposits were formed by Surtseyan style phreatomagmatic activity, suggesting that the summit of Ori Massif was shallow-marine to near sea-level; 2. Basaltic fragments from the volcaniclastic deposits provide further evidence for geochemical variation of magmas from Ori Massif and indicate a significant involvement of depleted mantle in its source; 3. Element mobility during seawater alteration of basalts from Ori and Tamu Massifs depends on stratigr
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Hogan, John Patrick. "Mineralogical, chemical and isotopic diversity in plutonic rock suites from the Coastal Maine Magmatic Province:the role of source region heterogeneity, tectonic setting and magmatic processes." Diss., Virginia Tech, 1990. http://hdl.handle.net/10919/39074.

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This dissertation represents an investigation of the mid-Paleozoic tectono-thermal and kinematic evolution of the crust in eastern coastal Maine as recorded by the plutonic rocks of this region. The first chapter describes the plutonic rocks of the Coastal Maine Magmatic Province. A tectonic model is developed in which late Ordovician-Silurian bimodal magmatism is interpreted to reflect crustal melting as a result of intraplating of mantle melts at high crustal levels during a period of tension. Large scale melting of lower crustal source regions, represented by voluminous intrusion of Devoni
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Hogan, John Patrick. "Mineralogical, chemical and isotopic diversity in plutonic rock suites from the Coastal Maine Magmatic Province : the role of source region heterogeneity, tectonic setting and magmatic processes /." This resource online, 1990. http://scholar.lib.vt.edu/theses/available/etd-08082007-114045/.

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Petford, Nicholas. "The relation between deformation, granite source type and crustal growth : Peru." Thesis, University of Liverpool, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.316605.

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Harper, Caprise Steadman. "A LA-ICPMS Sr Isotope and Trace Element Study of Plagioclase and Clinopyroxene of the Higganum Dike, Connecticut: Determining the Magma Source of the Central Atlantic Magmatic Province." BYU ScholarsArchive, 2009. https://scholarsarchive.byu.edu/etd/2289.

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The Higganum dike of Connecticut is one of the earliest basaltic dikes of the Central Atlantic Magmatic province and is geochemically representative of the widespread low-Ti basaltic lavas (~1 wt % TiO2) that make up the majority of the province in North America. Liquid compositions calculated from Cr-rich clinopyroxene cores from the Higganum dike are significantly more primitive than the bulk rock with average Mg# s of 0.63 compared to the Higganum dike which has Mg #'s ~ 0.55. However, the negative Nb and positive Pb anomalies that are seen in trace element patterns of the low-Ti group are
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Hayes, Sarah Louise. "Subduction of Elements with Variable Oxidation State: Effects on the Source of Arc Magmatism." Thesis, Curtin University, 2017. http://hdl.handle.net/20.500.11937/68271.

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Subduction of sediments has had little influence on bulk rock, mineralogical and redox compositions. Fluid infiltration is the most significant driver in mass transfer and mineralogical changes are localised to lithological contacts and shear zones. The sediments are likely to have little influence on the redox state of the sub-arc mantle. The lack of decarbonation suggests that CO2 could potentially be sequestered in the deep mantle on the timescale of millions to billions of years.
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Books on the topic "Magmatic sources"

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International, Workshop "Deep-seated magmatism its sources and plumes" (8th 2008 Vladivostok Russia). Deep-seated magmatism, its sources and plumes: Proceeding of VIII International Workshop = Glubinnyĭ magmatizm, ego istochniki i pli︠u︡my. In-te of Geography SB RAS, 2008.

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International Workshop "Deep-seated magmatism, its sources and plumes" (10th 2010 Vladivostok, Russia). Deep-seated magmatism, its sources and plumes: Proceeding of X International Workshop = Glubinnyĭ magmatizm, ego istochniki i pli︠u︡my. Institute of Geography SB RAS, 2010.

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Eccles, D. R. Radiogenic isotope geochemistry of kimberlitic rocks in northern Alberta: Constraints for source of magmatism and emplacement age. Alberta Energy and Utilities Board, 2003.

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Vladykin, Nikolay. Alkaline Rocks, Kimberlites and Carbonatites : Geochemistry and Genesis: Proceedings of the XV International Seminar Deep-Seated Magmatism, Its Sources and Plumes, 1-7 September 2019, Russia, Saki. Springer International Publishing AG, 2021.

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Vladykin, Nikolay. Alkaline Rocks, Kimberlites and Carbonatites : Geochemistry and Genesis: Proceedings of the XV International Seminar Deep-Seated Magmatism, Its Sources and Plumes , 1-7 September 2019, Russia, Saki. Springer International Publishing AG, 2022.

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Book chapters on the topic "Magmatic sources"

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Huston, David L., Robert B. Trumbull, Georges Beaudoin, and Trevor Ireland. "Light Stable Isotopes (H, B, C, O and S) in Ore Studies—Methods, Theory, Applications and Uncertainties." In Isotopes in Economic Geology, Metallogenesis and Exploration. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-27897-6_8.

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AbstractVariations in the abundances of light stable isotopes, particularly those of hydrogen, boron, carbon, oxygen and sulfur, were essential in developing mineralization models. The data provide constraints on sources of hydrothermal fluids, carbon, boron and sulfur, track interaction of these fluids with the rocks at both the deposit and district scales, and establish processes of ore deposition. In providing such constraints, isotopic data have been integral in developing genetic models for porphyry-epithermal, volcanic-hosted massive sulfide, orogenic gold, sediment-hosted base metal and
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Huston, David L., Crystal Laflamme, Georges Beaudoin, and Stephen Piercey. "Light Stable Isotopes in Volcanic-Hosted Massive Sulfide Ore Systems." In Isotopes in Economic Geology, Metallogenesis and Exploration. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-27897-6_9.

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AbstractVolcanic-hosted massive sulfide (VHMS) deposits, the ancient analogues of “black smoker” deposits that currently form on the seafloor, are the products of complex mineral systems involving the interaction of seawater with the underlying volcanic pile and associated magmatic intrusions. Light stable isotopes, particularly those of oxygen, hydrogen and sulfur, have had a strong influence in determining sources of ore fluids and sulfur as well as elucidating geological processes important in the VHMS mineral systems. Oxygen and hydrogen isotope data indicate that evolved seawater was the
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Hagemann, Steffen, Ana-Sophie Hensler, Rosaline Cristina Figueiredo e Silva, and Harilaos Tsikos. "Light Stable Isotope (O, H, C) Signatures of BIF-Hosted Iron Ore Systems: Implications for Genetic Models and Exploration Targeting." In Isotopes in Economic Geology, Metallogenesis and Exploration. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-27897-6_12.

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AbstractStable isotope data from hypogene (i.e., below the line of weathering) iron oxides and gangue minerals from BIF-hosted iron ore deposits in Australia, South Africa, and Brazil have significantly assisted in constraining different hydrothermal fluid sources and fluid flow models during the upgrade of BIF to iron ore. The δ18O values on iron oxides from BIF and different paragenetic stages of enrichment display a consistent decrease from unenriched BIF (4–9‰) to as low as −10‰ for high-grade iron ore. This large shift in oxygen isotope values is interpreted as evidence for enormous incur
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Chiaradia, M., D. Konopelko, R. Seltmann, and R. Cliff. "Lead sources in ore deposits and magmatic rocks of the Tien Shan and Chinese Altay." In Mineral Deposit Research: Meeting the Global Challenge. Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/3-540-27946-6_331.

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Yang, Kaihui, and Steven D. Scott. "Magmatic sources of volatiles and metals for volcanogenic massive sulfide deposits on modern and ancient seafloors: Evidence from melt inclusions." In Mineral Deposit Research: Meeting the Global Challenge. Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/3-540-27946-6_182.

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Rasskazov, Sergei, Alexei Ivanov, Ariel Boven, and Luc André. "Late Cenozoic Reactivation of the Early Pre-Cambrian Aldan Shield: Trace Element Constraints on Magmatic Sources beneath the Udokan Ridge, Siberia, Russia." In Igneous Petrology. CRC Press, 2021. http://dx.doi.org/10.1201/9780429070877-12.

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Norman, Marc D. "The 187Re-187Os and 190Pt-186Os Radiogenic Isotope Systems: Techniques and Applications to Metallogenic Systems." In Isotopes in Economic Geology, Metallogenesis and Exploration. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-27897-6_4.

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AbstractRhenium, Os, and Pt are redox sensitive elements that are concentrated in highly reducing environments such as those associated with black shales but mobile under more oxidizing conditions such as those associated with arc volcanism. They are chalcophile in many terrestrial ore-forming environments, and their isotopic systematics provide unique opportunities to date the formation of sulfide ore deposits and understand their petrogenesis. Fractional crystallization of magmatic sulfide ores generates primary variations in Re/Os and Pt/Os that allow mineral and whole rock isochron ages to
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Puffer, John H. "A reactivated back-arc source for CAMP magma." In The Central Atlantic Magmatic Province: Insights From Fragments of Pangea. American Geophysical Union, 2003. http://dx.doi.org/10.1029/136gm08.

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Yang, Kaihui, and Steven D. Scott. "Magmatic fluids as a source of metals in seafloor hydrothermal systems." In Back-Arc Spreading Systems: Geological, Biological, Chemical, and Physical Interactions. American Geophysical Union, 2006. http://dx.doi.org/10.1029/166gm09.

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Edgar, A. D. "Source Regions for Ultrapotassic Mafic-Ultramafic Magmatism in the Southwest Uganda Region of the African Rift: Implications from Experimental Studies." In Magmatism in Extensional Structural Settings. Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-73966-8_4.

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Conference papers on the topic "Magmatic sources"

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ВЕРНИКОВСКАЯ А, Е., Ю. МАТУШКИН Н, Н. ЛАРИОНОВ А, В. ТРАВИН А, И. КАДИЛЬНИКОВ П, and А. БОГДАНОВ Е. "RAPAKIVI GRANITES AND ASSOCIATING MAGMATISM AS INDICATORS OF TECTONIC MODE TRANSITION DURING THE DEVELOPMENT THE NEOPROTEROZOIC ACTIVE CONTINENTAL MARGIN (YENISEI RIDGE, EASTERN SIBERIA)." In ГЕОЛОГИЯ И МИНЕРАЛЬНО-СЫРЬЕВЫЕ РЕСУРСЫ СЕВЕРО-ВОСТОКА РОССИИ 2024. Crossref, 2024. http://dx.doi.org/10.53954/9785604990100_281.

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New and previously published U-Pb data indicates that in the central part of the Tatarka-Ishimba suture zone of the Yenisei Ridge A-type granitoids including rapakivi granites and associating basic and intermediate rocks were emplaced 651-629 Ma, forming the Tatarka active continental margin complex. We report details of the thermochronological history for these rocks and show the similarity of their magmatic sources, which included input from mixed OIB and E-MORB components. We consider the role of the mafic-felsic magmatism in the formation of gold-antimony mineralization. The formation of r
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Elkins, Lynne J., Andrea Marzoli, Michael Bizimis, et al. "MANTLE SOURCES FOR CENTRAL ATLANTIC MAGMATIC PROVINCE BASALTS FROM HF ISOTOPES." In 52nd Annual North-Central GSA Section Meeting - 2018. Geological Society of America, 2018. http://dx.doi.org/10.1130/abs/2018nc-313144.

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O'Neill, Hugh, John Mavrogenes, and Antony Burnham. "Sulfur speciation in magmatic silicate melts from mantle sources to eruptive degassing." In Goldschmidt2023. European Association of Geochemistry, 2023. http://dx.doi.org/10.7185/gold2023.17190.

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Gola, G., and A. Manzella. "Thermal Modelling of Magmatic Geothermal Systems: the Role of Deep-Seated Heat Sources." In 81st EAGE Conference and Exhibition 2019 Workshop Programme. European Association of Geoscientists & Engineers, 2019. http://dx.doi.org/10.3997/2214-4609.201901958.

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Edwards, Felix Alexandre, Benjamin Alexander Black, Anna M. Martini, and David S. Jones. "SOURCES OF MERCURY DURING LARGE IGNEOUS PROVINCE EMPLACEMENT: THE CENTRAL ATLANTIC MAGMATIC PROVINCE AND SIBERIAN TRAPS." In Joint 69th Annual Southeastern / 55th Annual Northeastern GSA Section Meeting - 2020. Geological Society of America, 2020. http://dx.doi.org/10.1130/abs/2020se-344658.

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Alvarez, Anthony M., Munazzam Ali Mahar, Jason W. Ricketts, and Philip C. Goodell. "Evidence for Multiple Magmatic Sources Over Time Along the Southwestern Laurentian Margin During the Grenville Orogeny." In 2018 New Mexico Geological Society Annual Spring Meeting. New Mexico Geological Society, 2018. http://dx.doi.org/10.56577/sm-2018.732.

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SU, Zhiqing, David Kuentz, Elisabeth Widom, Greg Valentine, and Maria Murta. "Magmatic Sources and Processes in Southwest Utah across the Basin and Range/Colorado Plateau Transition Zone." In Goldschmidt 2024. Geochemical Society, 2024. https://doi.org/10.46427/gold2024.22521.

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Masoudi, Rahim, Satyabrata Nayak, Alexander Tarang Patrick Panting, et al. "Decoding Contaminants. A Case study to Understand Source, Origin, and Distribution of H2S and CO2 off the Coast of Sarawak, Offshore Malaysia." In SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition. SPE, 2023. http://dx.doi.org/10.2118/215443-ms.

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Abstract In the shallow offshore region off the coast of Sarawak, Malaysia, exploration, development activities, and oil and gas production have been significantly affected by the presence of high concentrations of contaminants, mainly H2S and CO2. This has led to stranded hydrocarbon discoveries in the central Luconia area. The primary aim of this research was to uncover the origins of these contaminants and predict their distribution throughout the basin. To achieve this objective, an integrated regional petroleum system modeling approach was undertaken in the study area. The focus was on id
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Gleißner, Philipp, and Harry Becker. "Siderophile volatile element inventory of lunar low-Ti mare basalts: constraints on magmatic processes and mantle sources." In Goldschmidt2023. European Association of Geochemistry, 2023. http://dx.doi.org/10.7185/gold2023.18052.

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Oliveira, Antonio, Helena Martins, and Helena Sant Ovaia. "PETROLOGY AND GEOCHEMISTRY OF THE FELSIC HYPABYSSAL MAGMATISM IN NORTHERN PORTUGAL (CENTRAL IBERIAN ZONE)." In 23rd SGEM International Multidisciplinary Scientific GeoConference 2023. STEF92 Technology, 2023. http://dx.doi.org/10.5593/sgem2023/1.1/s01.13.

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In the Central Iberian Zone, multiple subvolcanic intrusions were emplaced during the final stages of the Variscan orogeny. The felsic component of this magmatic episode is mainly represented by dykes and masses of granite porphyries and microgranites, which can be commonly found in northern Portugal. Overall, these rocks are more evolved and enriched in rare incompatible metal elements (such as Li, Be, Rb, Cs, Nb, Ta, Sn, and W) when compared to the regional Variscan granites. The data acquired from the lithogeochemical study reported in this paper suggest that most porphyries/microgranites p
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Reports on the topic "Magmatic sources"

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Hayward, N., and V. Tschirhart. A comparison of 3-D inversion strategies in the investigation of the 3-D density and magnetic susceptibility distribution in the Great Bear Magmatic Zone, Northwest Territories. Natural Resources Canada/CMSS/Information Management, 2023. http://dx.doi.org/10.4095/331954.

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The inversion of new compilations of aeromagnetic data and gravity data are employed to investigate the 3-D physical property (magnetic susceptibility and density) distribution within the Great Bear magmatic zone. The application of two different software suites (Geosoft VOXI and UBC GIF MAG3D and GRAV3D) affords a comparison of approaches and results. The magnetic susceptibility results are broadly compatible, but Geosoft VOXI enabled more detailed definition of shallow sources. The density results were markedly different in how the model responded to the low-resolution gravity data in charac
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Scanlan, E. J., M. Leybourne, D. Layton-Matthews, A. Voinot, and N. van Wagoner. Alkaline magmatism in the Selwyn Basin, Yukon: relationship to SEDEX mineralization. Natural Resources Canada/CMSS/Information Management, 2021. http://dx.doi.org/10.4095/328994.

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Several sedimentary exhalative (SEDEX) deposits have alkaline magmatism that is temporally and spatially associated to mineralization. This report outlines interim data from a study of potential linkages between magmatism and SEDEX mineralization in the Selwyn Basin, Yukon. This region is an ideal study site due to the close spatial and temporal relationships between SEDEX deposits and magmatism, particularly in the MacMillan Pass, where volcanic rocks have been drilled with mineralization at the Boundary deposit. Alkaline volcanic samples were analysed from the Anvil District, MacMillan Pass,
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Jefferson, C. W., S. Pehrsson, V. Tschirhart, et al. Geology and metallogeny of the northeast Thelon Basin region, Nunavut, and comparison with the Athabasca Basin, Saskatchewan. Natural Resources Canada/CMSS/Information Management, 2024. http://dx.doi.org/10.4095/332499.

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Based on extensive remapping of the northeast Thelon Basin region in Nunavut, uranium exploration criteria are adapted from those of the Athabasca Basin in Saskatchewan, as basin-specific paradigms. The Athabasca Basin straddles the Rae and Hearne cratons and the Taltson magmatic zone, whereas the Thelon Basin rests entirely within the Rae Craton. In the Athabasca Basin, four unconformity-bounded siliciclastic sequences with different paleocurrents record a complex depositional history, whereas the Thelon Formation is a single, albeit cyclic siliciclastic unit with uni-modal paleocurrents. Ben
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Peterson, T. D., N. Wodicka, S J Pehrsson, et al. The Rae Province at 2.6 Ga: a sanukitoid storm on the Canadian Shield, Nunavut. Natural Resources Canada/CMSS/Information Management, 2024. http://dx.doi.org/10.4095/332505.

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Between 2.62 and 2.58 Ga, Rae Province was intruded from Lake Athabasca to Melville Peninsula (more than 1700 km) by mafic to felsic plutons (Snow Island Suite), and overlain by volcanic rocks that are now mostly preserved beneath Paleoproterozoic basins. The Snow Island Suite was preceded by offshore arc volcanism and possible back-arc basin activity, with a U-Pb age peak at 2.635 Ga (Marjorie peak). About 50% of the Snow Island Suite is an infracrustal granitoid with K-enriched and tonalitic subtypes; the remainder lies on a sanukitoid spectrum. The sanukitoidal rocks are dominantly orthopyr
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Leybourne, M. I., J. M. Peter, M A Schmidt, D. Layton-Matthews, A. Voinot, and L. Mathieu. Geochemical evidence for a magmatic contribution to the metal budget of the Windy Craggy Cu-Co(±Zn) volcanogenic massive-sulfide deposit, northwestern British Columbia. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/328018.

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Volcanogenic massive-sulfide (VMS) deposits may have had metal contributions from magmatic degassing and leaching of footwall rocks. The Windy Craggy Cu-Co-Zn VMS deposit in northwestern British Columbia may include magmatic contributions, based on laser-ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) of fluid inclusions (enriched in Sb, Sn, and Bi) and lithogeochemistry. Sulfide-mineral trace-element abundances in the massive-sulfide orebody, underlying stockwork zone, gold zone, and altered and unaltered mafic rock and argillite were analyzed by LA-ICP-MS. Elevated Au, W, A
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Hadlari, T. Geo-mapping for Energy and Minerals program: activities in the Sverdrup Basin, Canadian Arctic Islands. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/326088.

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Advancements in the establishment of the geological framework of the Sverdrup Basin resulting from the Geo-mapping for Energy and Minerals program can be grouped under the main topics of tectonostratigraphy, crosslinking of biostratigraphy and chronostratigraphy, integration of igneous records with newly refined stratigraphy, and effects of global climatic environments on hydrocarbon source rocks in geological time. New discoveries of volcanic ash beds throughout much of the Triassic stratigraphic section required new tectonic interpretations involving a magmatic arc northwest of the basin tha
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Christensen, Noah, Austin Jensen, and Stephanie Mills. Intrusive Basemap of Utah. Utah Geological Survey, 2025. https://doi.org/10.34191/ds-2.

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The Intrusive Basemap of Utah is a geodatabase and tabular dataset of mapping, geochemical, and geochronological data from known, surface-exposed igneous intrusive rocks across Utah. The purpose of this database is to provide a central source of data relevant to the study and interpretation of magmatic activity throughout Utah’s geologic history.
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Bécu, V., A.-A. Sappin, and S. Larmagnat. User-friendly toolkits for geoscientists: how to bring geology experts to the public. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/331220.

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A growing number of countries are committed toreduce their carbon emissions and are transitioning towards renewable and clean energy sources, leading to an in crease in demand formetals and minerals. This is especially the case for a short list of what are called "critical minerals" which are considered essential to economic development, including the transition to a low-carbon economy and national security. There liability of their supply chain raises concerns considering geological scarcity, difficulty to extract and/or political factors influencing their availability. At the same time, publ
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King, John. Magmatic Evolution and Eruptive History of the Granitic Bumping Lake Pluton, Washington: Source of the Bumping River and Cash Prairie Tuffs. Portland State University Library, 2000. http://dx.doi.org/10.15760/etd.6649.

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Zagorevski, A., N. Joyce, J. J. Ryan, C. Roots, and B. Jicha. Middle Cretaceous trimodal Dawson Range magmatism in western Yukon: inferences on sources and tectonic setting (NTS 115-I, -J and -K). Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2014. http://dx.doi.org/10.4095/293463.

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