Relevant bibliographies by topics / Magmatisme d’arc

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  1. Journal articles
  2. Dissertations / Theses

Academic literature on the topic 'Magmatisme d’arc'

Author: Grafiati
Published: 25 May 2024
Last updated: 31 July 2025

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Journal articles on the topic "Magmatisme d’arc"

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Hildebrand, Robert S., and Joseph B. Whalen. "Arc and Slab-Failure Magmatism in Cordilleran Batholiths II – The Cretaceous Peninsular Ranges Batholith of Southern and Baja California." Geoscience Canada 41, no. 4 (2014): 399. http://dx.doi.org/10.12789/geocanj.2014.41.059.

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Ever since the late 1960s when Warren Hamilton proposed that the great Cordilleran batholiths of the western Americas are the roots of volcanic arcs like the Andes and were generated by longstanding eastward subduction, most geologists have followed suit, despite the evergrowing recognition that many Cordilleran batholiths are complex, composite bodies that developed with intervals of intense shortening and exhumation between and during periods of magmatism. The Peninsular Ranges batholith of Southern and Baja California provides a superb place to unravel the complexities because there is a lo
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2

Schoonmaker, Adam, William S. F. Kidd, Stephen E. DeLong, and John F. Bender. "Lawrence Head Volcanics and Dunnage Mélange, Newfoundland Appalachians: Origin by Ordovician Ridge Subduction or in Back-Arc Rift?" Geoscience Canada 41, no. 4 (2014): 523. http://dx.doi.org/10.12789/geocanj.2014.41.053.

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This paper reviews the geological setting and reports new geochemical trace element data from the Ordovician Lawrence Head Volcanics (LHV) and the underlying gabbro sills in the Exploits Group. In combination with existing published analyses and ages of these rocks, the volcanic rocks and sills are indistinguishable in composition and age, and the data are consistent with the hypothesis that they represent the same (mostly E-MORB composition) magmatic event in the early–mid Darriwilian (~465 ± 2 Ma). The LHV and their enclosing strata show regional evidence for: 1) upward decline of volume and
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3

McLelland, James M., Bruce W. Selleck, and Marion E. Bickford. "Tectonic Evolution of the Adirondack Mountains and Grenville Orogen Inliers within the USA." Geoscience Canada 40, no. 4 (2013): 318. http://dx.doi.org/10.12789/geocanj.2013.40.022.

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Recent investigations in geochronology and tectonics provide important new insights into the evolution of the Grenville Orogen in North America. Here, we summarize results of this research in the USA and focus upon ca. 1.4–0.98 Ga occurrences extending from the Adirondack Mountains to the southern Appalachians and Texas. Recent geochronology (mainly by U/Pb SHRIMP) establishes that these widely separated regions experienced similar tectonomagmatic events, i.e., the Elzevirian (ca. 1.25–1.22 Ga), Shawinigan (ca. 1.2–1.14 Ga), and Grenvillian (ca. 1.09–0.98 Ga) orogenies and associated plate int
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Hildebrand, Robert S., and Joseph B. Whalen. "Arc and Slab-Failure Magmatism in Cordilleran Batholiths I – The Cretaceous Coastal Batholith of Peru and its Role in South American Orogenesis and Hemispheric Subduction Flip." Geoscience Canada 41, no. 3 (2014): 255. http://dx.doi.org/10.12789/geocanj.2014.41.047.

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We examined the temporal and spatial relations of rock units within the Western Cordillera of Peru where two Cretaceous basins, the Huarmey-Cañete and the West Peruvian Trough, were considered by previous workers to represent western and eastern parts respectively of the same marginal basin. The Huarmey-Cañete Trough, which sits on Mesoproterozoic basement of the Arequipa block, was filled with up to 9 km of Tithonian to Albian tholeiitic–calc-alkaline volcanic and volcaniclastic rocks. It shoaled to subaerial eastward. At 105–101 Ma the rocks were tightly folded and intruded during and just a
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5

Willner, Arne P., Axel Gerdes, Hans-Joachim Massonne, Cees R. Van Staal, and Alexandre Zagorevski. "Crustal Evolution of the Northeast Laurentian Margin and the Peri-Gondwanan Microcontinent Ganderia Prior to and During Closure of the Iapetus Ocean: Detrital Zircon U–Pb and Hf Isotope Evidence from Newfoundland." Geoscience Canada 41, no. 3 (2014): 345. http://dx.doi.org/10.12789/geocanj.2014.41.046.

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Detrital zircon populations in sedimentary rocks from the Laurentian margin and the accreted microcontinent Ganderia on both sides of the main Iapetus suture (Red Indian Line) in central Newfoundland have been studied by combined U–Pb and Lu–Hf isotope analyses. Variation in εHf(t) values with age of zircon populations of distal provenance (>900 Ma) reflect the crustal evolution within the source continents: in zircon derived from Laurentia, episodes of juvenile magma production in the source could be detected at 1.00 – 1.65 and 2.55 – 3.00 Ga, and mixing of juvenile and recycled crust in c
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Dissertations / Theses on the topic "Magmatisme d’arc"

1

Jentzer, Michael. "The Sistan orogen (Eastern Iran) : Tectonic evolution and significance within the Tethyan realm." Electronic Thesis or Diss., Sorbonne université, 2021. http://www.theses.fr/2021SORUS023.

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La chaîne du Sistan (E-Iran) présente une orientation N-S atypique au sein des orogènes, essentiellement E-W, allant de la Grèce à la Birmanie, issus de la fermeture de la Néo-Téthys depuis ~175 Ma. L’objectif de ce travail a été de préciser l’histoire de ce domaine ophiolitique et ses relations avec les autres bassins d’Iran Central en lien avec la dynamique de la Néo-Téthys. L’ophiolite du Sistan résulte de la fermeture d’un paléo-océan (ultra)lent produit formé entre 124 et 106 Ma. Cette fermeture s’effectue dès 90 Ma par subduction vers le NE comme en atteste le magmatisme d’arc juvénile b
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2

Flaherty, Taya Therese. "Study of crystal-hosted melt inclusions at Santorini (Greece), with implications for magma genesis and plumbing system processes." Thesis, Université Clermont Auvergne‎ (2017-2020), 2020. http://www.theses.fr/2020CLFAC031.

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Un grand nombre de volcans d’arc sont capables de produire des éruptions caldériques. Le volcan de Santorin (South Aegean Volcanic Arc, l’Égée-Méridionale, Grèce) est un volcan d’arc responsable de plusieurs éruptions de ce type au cours de ses 0,65 Ma d’activité, et dont l’éruption de l’Âge de Bronze Tardif (éruption Late Bronze Age, LBA) est la plus récente. Pourtant, de nombreuses questions sur le système volcanique de Santorin restent non résolues telles que la nature des magmas primaires et la manière dont leurs compositions changent au cours du temps, l’origine des magmas intermédiaires
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