Relevant bibliographies by topics / Volcanisme – Influence

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Academic literature on the topic 'Volcanisme – Influence'

Author: Grafiati
Published: 25 May 2024

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Journal articles on the topic "Volcanisme – Influence"

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Bodergat, Anne-Marie, Kimihiko Oki, Kunihiro Ishizaki, and Michel Rio. "Volcanisme, activité anthropique et circulation des masses océaniques : leur influence respective sur la distribution des populations d'ostracodes dans la baie de Kagoshima (ı̂le de Kyushu, Japon)." Comptes Rendus Geoscience 334, no. 14 (November 2002): 1053–59. http://dx.doi.org/10.1016/s1631-0713(02)01847-3.

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Balcerak, Ernie. "Io's volcanism influences Jupiter's magnetosphere." Eos, Transactions American Geophysical Union 93, no. 9 (February 28, 2012): 104. http://dx.doi.org/10.1029/2012eo090029.

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Gorshenina, Svetlana. "L’Asie centrale d’Alexander von Humboldt : un essai de géométrie naturaliste." Cahiers du Centre de Linguistique et des Sciences du Langage, no. 33 (November 19, 2012): 281–300. http://dx.doi.org/10.26034/la.cdclsl.2012.835.

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Le but du présent article est d’analyser le mécanisme de construction de l’Asie centrale proposée par Alexandre von Humboldt (1769- 1859) dans ses ouvrages parus entre 1830 et 1843 (Mémoire sur les chaînes des montagnes et sur les volcans de l’Asie intérieure, et sur une nouvelle éruption volcanique dans la chaîne des Andes, 1830 ; Chaînes de montagnes et volcans de l’Asie-centrale, 1830 ; Asie centrale. Recherches sur les chaînes de montagnes et la climatologie comparée, 1843). Influencé par les idées prônant une organisation rationnelle de l’espace et s’appuyant notamment sur la vision du parallélisme orographique et sur la théorie du volcanisme, Humboldt propose une classification de la Terre fondée sur l’hypothèse suivante : la surface du globe n’est pas uniforme, mais régionalement différenciée, ce qui permet de souligner des configurations sur la base desquelles il est possible de distinguer des régions «naturelles» et géométriques qui deviennent par la suite des régions géographiques. De part et d’autre du 44,5ème parallèle, sur une largeur de 5° au nord et de 5° au sud de cette ligne, Humboldt délimite ainsi, entre autres, un ruban transasiatique combiné à un présupposé centre de l’Asie ; cette figure sera plus tard considérée comme étant sa définition unique de l’Asie centrale. L’impact intellectuel de son ouvrage sera si fort que les savants de l’époque accepteront presque à l’unanimité cette nouvelle approche de l’Asie centrale, ainsi que le vocabulaire utilisé.
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Daniels, Lori D., and Thomas T. Veblen. "Altitudinal treelines of the southern Andes near 40ºS." Forestry Chronicle 79, no. 2 (April 1, 2003): 237–41. http://dx.doi.org/10.5558/tfc79237-2.

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In the southern Andes near 40ºS, altitudinal treelines are dominated by Nothofagus pumilio, a broadleaf deciduous angiosperm in the beech family (Fagaceae). Treeline elevations, ranging from 1100 to 1500 m a.s.l., are influenced by regional climate and volcanism. At the local scale, disturbance influences treeline elevation, ecotone length, and vegetation productivity. Decadal and interannual variation in climate related to El Niño-Southern Oscillation (ENSO) significantly affected radial growth of krummholz trees and seedling demography; however, climate-treeline relations were complex. Radial growth of krummholz trees and seedling demography responded differently to climate variation. These relations differed between climate regions and were unstable through time. We conclude that inter-annual variations in climate, such as those associated with ENSO, will be critical for successful reproduction and growth of Nothofagus pumilio at treeline in the Andes under the influence of global warming. Key words:Argentina, Chile, climate change, disturbance, forest dynamics, global warming, northern Patagonia, Nothofagus pumilio, South America, timberline
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Konter, Jasper G., and Matthew G. Jackson. "Large volumes of rejuvenated volcanism in Samoa: Evidence supporting a tectonic influence on late-stage volcanism." Geochemistry, Geophysics, Geosystems 13, no. 6 (June 2012): n/a. http://dx.doi.org/10.1029/2011gc003974.

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Sánchez, John J., and William A. Posada. "Old and modern volcanic depictions as evidence of communities-volcanoes mutualism in Colombia." Andean Geology 51, no. 1 (January 31, 2024): 86. http://dx.doi.org/10.5027/andgeov51n1-3667.

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Studying the different ways in which the concept of volcanism is represented is crucial in the understanding of communities’ perception of the volcanic phenomena. In this contribution, 129 modern (2021-2023) depictions of volcanoes in Colombia between latitudes 0.82 and 5.96° N are described and classified into different contexts of use. Prehispanic depictions of volcanism are investigated in rock art sites (3 pictographs and 33 petroglyphs), and 15 distinct mythical narratives compiled and confirmed through interviews in the State of Nariño. We suggest that many of the rock art sites contain motifs that are reminiscent of the idea of volcanism, and that many of the folk tales include allusions to the volcanic concept. By collating the information contained in modern and older depictions, a link is established with the reality of the volcanic phenomena that shows how mutualism takes root between communities and volcanoes. The beneficial aspects derived from this relationship influence the perception of volcanic hazards in the region.
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Barash, M. S. "Changes in the geomagnetic field and the evolution of marine biota." Океанология 59, no. 2 (June 9, 2019): 257–64. http://dx.doi.org/10.31857/s0030-1574592257-264.

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The ideas about the influence of the geomagnetic field on evolution and biodiversity are controversial. The quantitative distribution of datum levels of oceanic microplankton during the last 2.0 million years shows a correlation with geomagnetic inversions. Lowering of the field intensity increases cosmic irradiation of the Earth's surface, which can activate mutagenesis leading to new species emergence. Moreover, since the correlation of the geomagnetic field intensity with the composition of the atmosphere, temperature, climate, volcanism and other environmental conditions is revealed, it is possible to assume its influence on evolutionary processes as a part of the general complex of environmental conditions. Geomagnetic polarity superchrons ended by mantle plume formation which produced the trap eruptions and initiated Phanerozoic faunal mass extinctions. The sources of the geomagnetic field and plume formation leading to trap volcanism are at the boundaries of the inner spheres of the Earth, which explains their correlation. And their correlation with impact events as one of the causes of extinction can be explained by the common cosmic root cause located outside the solar system.
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Salikhov, V. "The phenomenon of pulsating lakes of Torey (Transbaikalia)." TRANSBAIKAL STATE UNIVERSITY JOURNAL 28, no. 4 (2022): 135–41. http://dx.doi.org/10.21209/2227-9245-2022-28-4-135-141.

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The phenomenon of pulsating lakes of the drainless Torey Basin - Barun- and Zun-Torey, located in the south of Transbaikalia territory, is considered. The unique peculiarity of the lakes is periodicity, mainly alternation of distinctly dry and wet periods with the duration of 24 to 42 years, on average about 30 years, i.e. a strict cyclicity is not observed. The cause of periodicity is measured from two main positions: either climatic changes or tectonic processes. The analysis of the available material indicates that the cause of periodicity is complex, but with the leading role of tectonic processes (neotectonic fluctuations), awakening multilevel groundwater of the Tsasucheisky and Torey artesian basins are the main sources of lake feeding. Groundwater feeding (Uldza River, Imalka River) is insignificant and the inflow is spent for evaporation. Tectonic processes do not occur without the participation of the Space (solar activity, the state of the Universe), because the Earth is a coordinated space system and all the processes occurring in it are reflected in the state of its depths. Measures are suggested to change considerably the duration of oscillations of the water surface of the Torey lakes and not to wait for the next water period of 15 years and more. Such measures can be compulsory influence on the activity of a lot of underground waters of the artesian basin, the main sources of feeding of the lakes. External influences can be ground or underground dosed explosions or vibration (during desiccation phases), widely used to increase the oil and gas flow rate in hydrocarbon production. Another remarkable phenomenon of the Torey Basin is mud volcanism in a form of salsa, which some researchers consider as search signs of oil and gas bearing capacity. The analysis of materials on mud volcanism on a global scale unequivocally indicates the absence of mud volcanism not only in the Torey Basin, but also in general the absence of such in Transbaikalia. The phenomenon of pulsating Torey lakes is not related to climatic changes, but has a complex cause, with the leading end, the "piston pump" effect, not without the participation of the Space. There is no mud volcanism in the Torey Basin. Consequently, it is not necessary to speak about its prospects for oil-and-gas bearing capacity. The salts observed in the Torey have a different nature and are connected with the activity of groundwater in the areas of permafrost spreading
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Mikhailik, Pavel, Alexandr Khanchuk, Evgenii Mikhailik, Yuliya Ivanova, and Maxim Blokhin. "The influence of hydrothermal activity during the origin of Co-rich manganese crusts of the N-W Pacific." E3S Web of Conferences 98 (2019): 08016. http://dx.doi.org/10.1051/e3sconf/20199808016.

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The distribution of cobalt, vanadium, cadmium and molybdenum in the mineral fractions of the Co-rich manganese crusts (CMC) from Zubov and Govorov Guyots is considered. It is shown that the concentrations of cobalt in the ferrous fraction, and vanadium, cadmium in the manganese fraction indicate the ability of the CMC to record the rejuvenated volcanism in the N-W Pacific.
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Leat, P. T., and R. S. Thorpe. "Ordovician volcanism in the Welsh Borderland." Geological Magazine 123, no. 6 (November 1986): 629–40. http://dx.doi.org/10.1017/s0016756800024146.

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AbstractBasaltic, andesitic and rhyodacitic/rhyolitic volcanism was widespread during Ordovician time in the Welsh Basin. New chemical data are presented for Llanvirn to Caradoc lavas and tuffs from the Welsh Borderland which, during Ordovician time, formed the southeastern margin of the Welsh Basin. In view of the observed chemical alteration, immobile elements are used in the interpretation of the original geochemical character. The data indicate that the Llanvirn Stapeley volcanic group of the Shelve inlier was a bimodal basalt/basaltic andesite – rhyodacite/rhyolite association. The basalts have trace element contents of tholeiitic associations with a subduction-related character. The Caradoc Whittery and Hagley volcanic groups of the Shelve inlier comprise lavas and tuffs of calc-alkaline andesite. Blocks sampled from the Breidden Hills show that these were also derived from a calc-alkaline volcano. Associated Caradoc pumice- and ash-flow deposits from the Breidden Hills are probably of altered calc-alkaline rhyodacite/rhyolite composition. The Sibdon Carwood basalt flow, the only known example of Ordovician volcanism east of the Pontesford–Linley and Church Stretton lineaments, has transitional tholeiitic to alkaline character, with trace element contents influenced by subduction-related processes. The overall tholeiitic to calc-alkaline nature of the magmatism is consistent with the view that, during Llanvirn to Caradoc time, the Welsh Basin was an ensialic marginal basin.
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Dissertations / Theses on the topic "Volcanisme – Influence"

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Feng, Yang. "Study of the climate variability and the role of volcanism in the North Atlantic-Mediterranean sector during the last millennium." Electronic Thesis or Diss., Sorbonne université, 2022. http://www.theses.fr/2022SORUS038.

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La thèse vise à étudier le rôle du volcanisme ainsi ses impacts sur la variabilité climatique hivernale (spécialement l'ONA) dans le secteur Atlantique Nord-Méditerranée à l'échelle interannuelle. La première partie est consacrée à la caractérisation du signal d'ONA en hiver à la suite d'éruptions volcaniques stratosphériques grâce à trois simulations transitoires du dernier millénaire (500-1849 CE) par IPSL-CM6A-LR dans le cadre de PMIP4. La robustesse et la sensibilité de réponse liée à la latitude, la saison et la magnitude des éruptions sont ainsi explorées. La deuxième partie étend plus loin pour décrypter le mécanisme concernant différentes composantes radiatives du forçage volcanique (le refroidissement de la surface et le réchauffement du stratosphère). Le travail est axé sur trois 25-membres ensembles de simulation par IPSL-CM6A-LR suivant le protocole VolMIP sur l'éruption tropicale Mt. Pinatubo (Philippines, juin 1991), la meilleure observée. Les expériences de sensibilité indiquent que la signature d’ONA positive de surface dans nos expériences de modèle est principalement attribuée au réchauffement dans la basse stratosphère tropicale qui génère des vents zonaux subtropicaux plus forts à travers le bilan de vent thermique et accélère le vortex polaire. Les propagations d'ondes planétaires stationnaires jouent également des effets de modulations indispensables
The PhD work aims at studying the role of volcanism in influencing winter climate variability (especially, NAO) over the North Atlantic-Mediterranean sector at inter-annual scale. The first part is devoted to characterizing the simulated NAO signal in winters following stratospheric volcanic eruptions using three long transient simulations of the past millennium (500-1849 CE) by IPSL-CM6A-LR in the frame of PMIP4. The robustness and sensitivity of the response related to the latitude, season and strength of the eruptions are also explored. The second part extends further to decrypt the physical mechanism regarding different components of volcanic radiative forcing (the surface cooling and stratospheric warming). The work focuses on three 25-members ensemble simulations by IPSL-CM6A-LR following the VolMIP protocol for the well observed Mt. Pinatubo tropical eruption (Philippines, June 1991). Sensitivity experiments indicate that the surface positive NAO signature in our model experiments is primarily attributable to heating in the lower tropical stratosphere which generates stronger subtropical zonal winds through the thermal wind balance and accelerates the polar vortex. Stationary planetary wave propagations are also playing indispensable modulations effects
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Andrade, Varela Santiago Daniel. "The influence of active tectonics on the structural development and flank collapse of Ecuadorian arc volcanoes." Clermont-Ferrand 2, 2009. http://www.theses.fr/2009CLF21957.

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Des approches géologiques et morphologiques, ainsi que des modèles analogiques, ont été utilisés pour étudier pour la première fois le rôle de la tectonique active durant le développement structural des volcans de l'arc équatorien. En Equateur, la morphologie des volcans reflète un développement structural complexe, influencé par la superposition de différentes interactions volcano-tectoniques, autant dans le régime gravitationnel local que dans le régime tectonique régional. Ces interactions peuvent contrôler le développement de structures volcaniques majeures, tels que les effondrements de flanc, l'emplacement d'évents latéraux et la taille et la forme des édifices volcaniques. Un exemple de ces interactions est le volcan Imbabura (nord du pays), qui est composé de cinq unités stratigraphiques et structurales majeures. Au cours du développement de l'Imbabura, l'emplacement de ces unités a été fortement contrôlé et influencé par l'interaction de l'édifice volcanique avec : 1- la faille régional dextre 'El Angel-Rio Ambi' ; et 2- la pente de son substratum. Certaines structures observées dans les dépôts d'avalanche de débris volcaniques sont la conséquence des structures développées aux stades initiaux des effondrements de flanc
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Gout, Bertrand. "Influence des apports terrigènes dans les écosystèmes lagonaires de Mayotte et de Nouvelle-Calédonie (Province Indopacifique) : impact sur les peuplements benthiques." Montpellier 2, 1991. http://www.theses.fr/1991MON20021.

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Les environnements climatiques des iles de mayotte (sw ocean indien) et de nouvelle-caledonie (sw ocean pacifique), qui appartiennent toutes deux a la province indopacifique, sont analyses comparativement. Il en ressort de multiples similitudes, alors que l'origine des iles montre une difference structurale: la nouvelle-caledonie est une ile cratonique ancienne, alors que mayotte est issue d'un volcanisme recent. Cela se reflete dans la structure des recifs coralliens et du lagon, ainsi que dans la nature des terres emergees et des deversements terrigenes qui en sont issus. L'extension et la nature des apports terrigenes sont definis, au sein des masses d'eaux lagonaires, puis des sediments. Les zones sous influence terrigene sont identifiees, essentiellement d'apres la teneur des sediments en metaux issus des sols lateritiques des iles (fe, al, cr, ni et mn). Ces apports plus massifs et plus recents a mayotte que dans le sw de la nouvelle-caledonie, s'y etendent sur des surfaces croissantes, en liaison avec nombre de facterus anthropiques, en constante augmentation depuis une quinzaine d'annees. Les peuplements macrobenthiques endoges, associes a ces fonds lagonaires envases, sont pauvres (densite, richesse et diversite specifiques faibles) ou bien ils presentent des facies peu diversifies, avec proliferation d'une ou deux especes. Dans les deux lagons, des especes lutitophiles tolerantes colonisent l'ensemble des sediments mais, parmi elles, des polychetes et des crustaces thalassinides caracterisent les fonds terrigenes envases par leurs abondances. Les peuplements des zones subissant des deversements brutaux, comme a mayotte, sont instables. Bien que les deux sites d'etude ne subissent pas le meme type de sedimentation, leurs peuplements, a conditions similaires, sont comparables et caracteristiques du macrobenthos littoral de l'indopacifique
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Zemtsov, Alexander. "Alexander von Humboldt’s ideas on volcanism and their influence on Russian scientists." Universität Potsdam, 2005. http://opus.kobv.de/ubp/volltexte/2009/3533/.

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The article provides historical background for Alexander von Humboldt’s expedition into Russia in 1829. It includes information on Humboldt’s works and publications in Russia over the course of his lifetime, as well as an explanation of the Russian scientific community’s response to those works. Humboldt’s ideas on the existence of an active volcano in Central Asia attracted the attention of two prominent Russian geographers, P. Semenov and P. Kropotkin, whose views on the nature of volcanism were quite different. P. Semenov personally met Humboldt in Berlin. P. Kropotkin made one of the most important geological discoveries of the 19th Century: he found the fresh volcanic cones near Lake Baikal. Soon after Humboldt’s Russian expedition, and partly as a result of it, an important mineral was found in the Ilmen mountains – samarskite, which later gave its name to the chemical element Samarium, developed in 1879. At the beginning of the 20th Century, the Russian scientist V. Vernadskiy pointed out that samarskite was the first uranium-rich mineral found in Russia.
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Hellwig, Bridget M. "The viscosity of dacitic liquids measured at conditions relevant to explosive arc volcanism determing the influence of temperature, silicate composition, and dissolved volatile content /." Diss., Columbia, Mo. : University of Missouri-Columbia, 2006. http://hdl.handle.net/10355/4597.

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Thesis (M.S.)--University of Missouri-Columbia, 2006.
The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file viewed on (February 7, 2007) Includes bibliographical references.
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Khamsouk, Bounmanh. "Impact de la culture bananière sur l'environnement : influence des systèmes de cultures sur l'érosion, le bilan hydrique et les pertes en nutriments sur un sol volcanique en Martinique : cas du sol brun rouille à halloysite." Montpellier, ENSA, 2001. http://www.theses.fr/2001ENSA0009.

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Grand, Thierry. "Exemples de structures en extension et de leur influence sur les déformations postérieures dans le domaine téthysien (Bourg d'Oisans, Alpes occidentales françaises et Troodos, Chypre)." Phd thesis, Grenoble 1, 1987. http://tel.archives-ouvertes.fr/tel-00514374.

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La mesure systématique dans les plans striés et leur traitement statistique par la méthode des dièdres droits ont permis de mettre en évidence, dans la région de Bourg-d'Oisans, 3 épisodes d'extension, antérieurs aux phénomènes alpins. Des critères stratigraphiques permettent de préciser leur âge, soit : • au Trias, direction d'extension N-S, • au Lias inférieur p.p., direction d'extension NE-SW, • au Lias supérieur, direction d'extension W.NW-E.SE. Ces faits sont à relier à la structuration de la marge européenne de la Téthys ligure, le bassin de Bourg d'Oisans étant considéré comme la couverture sédimentaire d'un bloc basculé décakilométrique. Le paléochamp de contraintes au Lias inférieur peut-être considéré comme le résultat d'une déviation de la contrainte générale en régime décrochant, du fait de l'existence d'accidents antérieurs hérités des phases tardi-hercyniennes. Les émissions de basaltes subalcalins (spilites) du sommet du Trias ont déjà été contrôlées par cette tectonique décrochante. Selon cette interprétation, le changement tectonique entre le sommet du Trias-Lias inférieur et le Lias supérieur s'est effectué par une simple permutation des contraintes D1 et D2 ; la contrainte minimale D3 étant restée constante en direction durant ces 2 épisodes. Ceci nous conduit à considérer que la réorganisation tectonique principale se situe au sommet du Trias et correspond donc au début du rifting dans cette région. L'évolution géodynamique de la région de Bourg-d'Oisans durant le Mésozoïque est similaire à celle d'autres systèmes de rift, comme le fossé rhénan et le Golfe de Suez. Les phases compressives alpines ont aussi été caractérisées. Leurs effets ont été fortement influencés par les structures héritées des épisodes distensifs mésozoïques. L'étude des structures syn-ophiolitiques dans le massif du Troodos à Chypre a permis d'individualiser une phase d'extension syn-ophiolitique dirigée W.NW-E.SE et des épisodes de déformation post-ophiolitiques (compression N160 et extensions récentes) fortement influencés par les structures antérieures.
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Books on the topic "Volcanisme – Influence"

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Drake, Ellen T. Restless genius: Robert Hooke and his earthly thoughts. New York: Oxford University Press, 1996.

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Watching Vesuvius: A history of science and culture in early modern Italy. Chicago: The University of Chicago Press, 2012.

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Grayson, Donald K., and Payson D. Sheets. Volcanic Activity and Human Ecology. Elsevier Science & Technology Books, 2013.

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Hallam, Tony. Catastrophes and Lesser Calamities. Oxford University Press, 2004. http://dx.doi.org/10.1093/oso/9780198524977.001.0001.

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In Catastrophes and Lesser Calamities, renowned geologist Tony Hallam takes us on a tour of the Earth's history, and of the cataclysmic events, as well as the more gradual extinctions, that have punctuated life on Earth throughout the past 500 million years. While comparable books in this field of study tend to promote only one likely cause of mass extinctions, such as extraterrestrial impact, volcanism, and or climatic cooling, Catastrophes and Lesser Calamities breaks new ground, as the first book to attempt an objective coverage of all likely causes, including sea-level and climatic changes, oxygen deficiency in the oceans, volcanic activity, and extraterrestrial impact. Hallam focuses on the so-called 'big five' mass extinctions, at the end of the Ordovician, Permian, Triassic, and Cretaceous periods, and the later Devonian, and he also includes less well-known examples where relevant. He devotes attention especially to the attempts by geologists to distinguish true catastrophes from more gradual extinction events, and he concludes with a discussion of the evolutionary significance of mass extinctions, and on the influence of Homo sapiens in causing extinctions within the last few thousand years, both on land and in the seas.
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Smith, Gary Allen. Stratigraphy, sedimentology, and petrology of neogene rocks in the Deschutes basin, central Oregon: A record of continental-margin volcanism and its influence on fluvial sedimentation in an arc-adjacent basin. 1985.

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Cocco, Sean. Watching Vesuvius: A History of Science and Culture in Early Modern Italy. University of Chicago Press, 2012.

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Book chapters on the topic "Volcanisme – Influence"

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McPhie, Jocelyn, and Rodney L. Allen. "Submarine, silicic, syn-eruptive pyroclastic units in the Mount Read Volcanics, western Tasmania: Influence of vent setting and proximity on lithofacies characteristics." In Explosive Subaqueous Volcanism, 245–58. Washington, D. C.: American Geophysical Union, 2003. http://dx.doi.org/10.1029/140gm16.

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Németh, Károly. "Volcanic Geoheritage in the Light of Volcano Geology." In Geoheritage, Geoparks and Geotourism, 1–24. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-07289-5_1.

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AbstractVolcanic geoheritage relates to the geological features of a region that are associated with the formation of a volcanic terrain in diverse geoenvironmental conditions. These features include the volcanic processes, volcanic landforms and/or the eruptive products of volcanism that form the geological architecture of that region. Volcanic geoheritage is expressed through the landscape and how it forms and evolves through volcanic processes on various spatio-temporal scales. In this sense it is directly linked to the processes of how magma released, transported to the surface and fragmented, the styles of eruption and accumulation of the eruptive products. Volcanic geoheritage is directly linked to the natural processes that generated them. Geocultural aspects are treated separately through volcanic geosite identification and their valorization stages. Identification of volcanic geosites, based on various valorization techniques, have been applied successfully in the past decades to many geological heritage elements. Volcanism directly impacts societal, cultural, and traditional development of communities, hence the “living with volcanoes” concept and indigenous aspects and knowledge about volcanism can and should play important roles in these valorization methods through co-development, transdisciplinary approaches by including interconnected scientists in discussions with local communities. Elements of volcanism and volcanic geoheritage benefit of the geoculture of society so volcanic geoheritage sites are ideal locations for community geoeducation where resilience toward volcanic hazard could be explored and applied more effectively than it is done today. Geoparks within volcanic terrains or volcanism-influenced regions should be the flagship conservation, education and tourism sites for this message. Volcanism can be an integral part of processes operating in sedimentary basins. Here volcanic eruptive products and volcanic processes contribute to the sediment fill and geological features that characterize the geoheritage of that region.
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Pentcheva, E. N., L. Van’t dack, and R. Gijbels. "Influence of recent volcanism of the geochemical behaviour of trace elements and gases in deep granitic hydrothermal systems, southwest Bulgaria." In Water-Rock Interaction, 383–87. London: Routledge, 2021. http://dx.doi.org/10.1201/9780203734049-95.

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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, 89–122. Cham: 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 be determined and discrimination of crustal and mantle sources based on initial Os isotopic compositions. Molybdenite is especially well suited for geochronology due to its high Re/Os and resistance to resetting. Rhenium concentrations in molybdenite tend to reflect the composition or provenance of the ore-forming fluids, with higher concentrations associated with more primitive sources or more oxidized fluids and lower concentrations with more evolved and/or reduced conditions, although local and regional factors also have a significant influence. Many studies have used pyrite for dating but its typically low Re concentration, variable initial Os isotopic composition (reflecting fluid mxing), and susceptibility to re-equilibration makes its use as a geochronometer problematic in many cases. Other sulfide minerals such as bornite and arsenopyrite have shown promise for Re–Os isotope geochronology but additional studies are needed to evaluate their broader applicability for dating of ore deposits. The isobaric beta decay of parent isotope 187Re to 187Os has restricted investigation of this system by microbeam techniques such as ion microprobe or laser ablation mass spectrometry, especially for geochronology. This requires either chemically processing the sample to separate the elements or novel techniques such as collision-cells that preferentially ionize the Re and Os during the analysis. Thermal ionization mass spectrometry (TIMS) and inductively-coupled plasma mass spectrometry (ICPMS) are the most widely applied techniques for Re-Pt-Os isotopic analyses. Specialized techniques for sample digestion to ensure redox equilibrium between Os in the sample and the isotopically enriched spikes used for isotope dilution measurements are typically required. This chapter briefly reviews development of the 187Re-187Os and 190Pt-186Os isotopic systems for earth science, physico-chemical controls on their behavior in ore-forming environments, and applications to metallogenic systems.
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Martí, Joan. "Volcano Geology Applications to Ancient Volcanism-Influenced Terrains: Paleovolcanism." In Updates in Volcanology - Linking Active Volcanism and the Geological Record [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.108770.

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This chapter discusses how to apply the most significant aspects and concepts of modern volcanology to the study the ancient volcanic terrains, where volcanic successions appear exposed in discontinuous outcrops, with various degrees of deformation, which are often manifested in the presence of metamorphosed and hydrothermally altered volcanic rock assemblages. The way to understand paleovolcanism is through the identification and interpretation of the products of past volcanic activity in terms that is equivalent to what is done in modern terrains, despite the difficulty of having to characterize and recompose all those subsequent geological processes that have been superimposed upon them. This chapter summarizes the most fundamental aspects of the study of ancient volcanic terrains, paying special attention to the definition of facies associations, the characterization of their spatial and genetic relationships, and their paleoenvironmental and paleogeographic significance, as well as to the possible causes of the original facies modification. The implications for the presence of volcanism in the dynamics of sedimentary basins and its relationship with different geodynamic environments are also analyzed.
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Belkin, Harvey E., and Tom Gidwitz. "The contributions and influence of two Americans, Henry S. Washington and Frank A. Perret, to the study of Italian volcanism with emphasis on volcanoes in the Naples area." In Vesuvius, Campi Flegrei, and Campanian Volcanism, 9–32. Elsevier, 2020. http://dx.doi.org/10.1016/b978-0-12-816454-9.00002-x.

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Smellie, John L. "Terrestrial subice volcanism: Landform morphology, sequence characteristics, environmental influences, and implications for candidate Mars examples." In Preservation of random megascale events on Mars and Earth: Influence on geologic history. Geological Society of America, 2009. http://dx.doi.org/10.1130/2009.453(05).

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Giller, Paul S., and Björn Malmqvist. "Running water habitats." In The Biology of Streams and Rivers, 14–29. Oxford University PressOxford, 1998. http://dx.doi.org/10.1093/oso/9780198549789.003.0002.

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Abstract The landscape across which rivers and streams flow is formed through geo¬ morphological and geological processes. Landforms arc built up through sedimentation and geological activity driven by volcanism and continental drift and are eroded by wind, ice, and water. These complex processes together determine the outlines of the catchments within which precipitation falls, flows downhill, and ultimately forms the physical channels of running waters. Rivers arc dynamic systems that are born and age. Ageing involves continuing erosion or the stream channel back towards the source or out onto the floodplain. Erosion is greatest in certain areas (e.g. China, the south-eastern United States) which is shown in the rivers’ particularly heavy silt loads. Typically, river channels have extended lifespans compared to lakes. The world’s really large rivers, along with their great age and diversity, also have many unique organisms and a myriad of ecological processes that have a significant influence over the entire catchment system they drain. Unfortunately, these systems have suffered more than any other from man’s influence, and few remain in a natural, unaffected state.
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Reusch, Douglas N., and Kirk A. Maasch. "The Transition From Arc Volcanism to Exhumation, Weathering of Young Ca, Mg, Sr Silicates, and CO2 Drawdown." In Tectonic Boundary Conditions for Climate Reconstructions, 261–76. Oxford University PressNew York, NY, 1998. http://dx.doi.org/10.1093/oso/9780195112450.003.0013.

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Abstract Paleoclimate modelers need estimates of the partial pressure of atmospheric carbon dioxide (pCO2) because CO2 influences the mean global temperature through the greenhouse effect (Arrhenius, 1896). Carbon dioxide enters the atmosphere as a result of high temperature decarbonation reactions and low temperature oxidation of organic C. Carbon dioxide leaves the atmosphere either through Ca, Mg silicate weathering and subsequent burial as carbonate or through photosynthesis and subsequent burial as organic C (Ebelmen, 1845). Changes in these C fluxes, brought about by various biological, oceanographic, and tectonic factors, affect atmospheric pCO2 and, consequently, Earth’s climate (Plass, 1956; Bemer, 1990).
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Milia, A., M. M. Torrente, F. Giordano, and L. Mirabile. "Chapter 3 Rapid changes of the accommodation space in the Late Quaternary succession of Naples Bay, Italy: the influence of volcanism and tectonics." In Developments in Volcanology, 53–68. Elsevier, 2006. http://dx.doi.org/10.1016/s1871-644x(06)80017-3.

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Conference papers on the topic "Volcanisme – Influence"

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Norris-Julseth, Chantal, Melissa O. Anderson, Kenneth Rubin, Karsten M. Haase, Mark Hannington, Margaret Stewart, and Alan Baxter. "The Influence of Wrench Tectonics on Submarine Volcanism in the NE Lau Basin (Tonga)." In Goldschmidt2020. Geochemical Society, 2020. http://dx.doi.org/10.46427/gold2020.1949.

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Hou, Dongmei, Chao Li, Pengyu Gao, Xun Yuan, Xiaolong Zhang, and Zhong Cheng. "Sedimentary Evolution of Delta and Reservoir Distribution Under the Control of a Volcanic System." In ADIPEC. SPE, 2023. http://dx.doi.org/10.2118/215985-ms.

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Abstract The BZ34-9 oilfield is a clastic reservoir discovered in the Oligocene strata in the southern part of the Bohai Bay Basin. The volcanic system here is intermixed with a clastic reservoir that spans more than 1000 meters. In its upper part, it overlies about 2000 meters of Miocene strata. Volcanic activity has influenced the deposition and filling of the lacustrine and played a key role in controlling the distribution of clastic reservoirs. Based on 3D seismic data and lithological data from 74 wells, four types of volcanic were identified and extracted according to seismic sequences. Establish and clearly state the reciprocal relationship between volcanism and sedimentation. The study of volcanic stratigraphic framework reflects the environmental change of volcanoes from terrestrial to marine, which is consistent with the understanding of the sedimentary environment from paleontological and sedimentary facies studies. Small-scale volcanism predates the formation of the early Oligocene strata, and a regional eruption center to the south and east of the BZ34-9 oilfield provides the tectonic setting for the basin evolution. The early Oligocene strata was deposited in a shallow lake environment, thin-bed distributary channels are developed in the near-source facies belt near the central volcano, and thick-bed mouth dams are developed in the far-source facies belt. Volcanoes of this period influenced the distribution of clastic reservoirs by the effusion facies and intrusive facies near conical craters. Water depth becomes deeper when the late Oligocene strata are deposited, thick-bed continuous underwater distributary channels and an estuary dam is developed in the sedimentary area. Volcanic activity was moderate until the last major eruption. During this period, the hydrothermal vent in the far-source facies belt is the main factor affecting the distribution of clastic reservoirs. It is of great significance for the further fine description of reservoirs and regional exploration.
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Paez-Reyes, Manuel, Ashley Guerrediaga, Rebecca Rea, Juan Carlos Silva-Tamayo, Christopher K. Junium, Brent V. Miller, and Humberto Carvajal-Ortiz. "CENOMANIAN VOLCANISM AND ITS INFLUENCE ON CARBON CYCLING DURING OCEANIC ANOXIC EVENT 2 IN THE TROPICAL REALM." In GSA Annual Meeting in Denver, Colorado, USA - 2016. Geological Society of America, 2016. http://dx.doi.org/10.1130/abs/2016am-287377.

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Brady, Graham, and Jade Star Lackey. "ASSESSING CRUSTAL INFLUENCE ON SILICIC CORDILLERAN ARC VOLCANISM IN THE MESOZOIC: WHOLE ROCK AND ZIRCON TRACE ELEMENT INSIGHTS." In Joint 118th Annual Cordilleran/72nd Annual Rocky Mountain Section Meeting - 2022. Geological Society of America, 2022. http://dx.doi.org/10.1130/abs/2022cd-374402.

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"Seismic features of volcanic-hydrothermal complex structures and the influence of volcanism in the offshore petroleum system of the Sergipe-Alagoas basin." In International Congress of the Brazilian Geophysical Society&Expogef. Brazilian Geophysical Society, 2021. http://dx.doi.org/10.22564/17cisbgf2021.309.

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Wang, Wei, Xianghua Yang, Jiaren Ye, Tandis S. Bidgoli, W. Lynn Watney, Hongtao Zhu, and Qingbin Wang. "INFLUENCE OF SYNDEPOSITIONAL VOLCANISM ON OLIGOCENE SANDSTONE DIAGENESIS AND QUALITY: A COMPARISON OF THE BZ34-9 AND KL6 FIELDS IN THE SOUTHERN BOHAI SEA, CHINA." In GSA Annual Meeting in Denver, Colorado, USA - 2016. Geological Society of America, 2016. http://dx.doi.org/10.1130/abs/2016am-286279.

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Andrew, Colin J. "Irish Zn-Pb deposits – a review of the evidence for the timing of mineralization. Constraints of stratigraphy and basin development." In Irish-type Zn-Pb deposits around the world. Irish Association for Economic Geology, 2023. http://dx.doi.org/10.61153/chfk3844.

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The Irish Midlands is ranked first in the world in terms of zinc metal discovered per sq. km. with over 14 Mt of contained metal found to date. The largest deposit at Navan exceeding 150 Mt of production plus remaining resources, and four other deposits having been brought into production since 1962 and a further 20 prospects discovered including the major Pallas Green deposit. The deposits such as Navan, Tynagh, Silvermines, Lisheen, Galmoy and Pallas Green and others that host this vast resource show varying host-rocks, mineral textures, thermo-chemical and isotopic signatures. However, amongst this apparent diversity lie some major similarities that form the basis of the definition of being “Irish-type” which form a specific spectrum of styles that lie between MVT-type and SedEx-types. In order to develop any robust model for ore deposit formation it is critical to establish reliable age constraints and an understanding of the depositional and structural environments for the host rocks and thus the mineralizing processes. In the Irish Midlands there is an abundance of geological and isotopic evidence that places the age of the mineralization within a short time frame related to two extensional periods around 347Ma and 345Ma in the late Courceyan to early Chadian. The host carbonate sequences that host the mineralization encompass an upward deepening transgressive sequence initially deposited in shallow basins. By using isopach plots of conodont biozones sedimentation pat-terns show that both lithological and thickness variations are strongly influenced by active basin evolution around these times. Mineralization is geologically constrained to have occurred at relatively shallow depths and is largely contemporaneous with diagenesis and dominantly occurred before locally catastrophic basin breakup (rifting) occurred setting the shape of later (post-ore) carbonate sedimentation. Although intra-cratonic basalt dominated volcanism is present in the Irish Midlands the mineralization generally pre-dates these volcanics, which appear to be coeval with the rifting in the latest Chadian to early Arundian. The critical factor in the size of the mineralized bodies appears to be the degree of “openness” of the mineralizing system. Thus, near surface exhalation and/or the unroofing by erosion of, or dissolution and collapse of hangingwall units, appears to be a critical aspect in the development of large-scale mineralizing systems. Closed “tight” deep fracture-controlled systems where lithification had advanced are not economic. In simple terms mineralization occurred at relatively shallow burial depths of between 250m and the contemporaneous seafloor and this is possibly the defining feature of the Irish-type deposits.
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