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1341por Lapen, Thomas J., Righter, Minako, Andreasen, Rasmus, Irving, Anthony J., Satkoski, Aaron M., Beard, Brian L., Nishiizumi, Kunihiko, Jull, A. J. Timothy, Caffee, Marc W.“…The spatial association of 327- to 2403-Ma depleted shergottites indicates >2 billion years of magmatism from a long-lived and geochemically distinct volcanic center near the ejection site.…”
Publicado 2017
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1342“…However, most of the absolute paleointensity data, obtained predominantly by the Thellier method from bulk volcanic rocks, fail to confirm this relationship. …”
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1343por Angelis, S. De, Lamb, O. D., Lamur, A., Hornby, A. J., von Aulock, F. W., Chigna, G., Lavallée, Y., Rietbrock, A.“…The rapid discharge of gas and rock fragments during volcanic eruptions generates acoustic infrasound. Here we present results from the inversion of infrasound signals associated with small and moderate gas‐and‐ash explosions at Santiaguito volcano, Guatemala, to retrieve the time history of mass eruption rate at the vent. …”
Publicado 2016
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1344por Dunlea, Ann G., Murray, Richard W., Santiago Ramos, Danielle P., Higgins, John A.“…Key reactants include volcanic ash (source of reactive aluminium) and reactive biogenic silica on or shallowly buried within the seafloor. …”
Publicado 2017
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1345“…Limitations in using major volcanic eruptions as a constraint on cloud feedbacks are also found.…”
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1346por Palafox, Leon F., Hamilton, Christopher W., Scheidt, Stephen P., Alvarez, Alexander M.“…In this work, we use Convolutional Neural Networks (ConvNets) to detect both volcanic rootless cones and transverse aeolian ridges. …”
Publicado 2017
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1347“…We calculate new rotation parameters for the early Neogene that provide the kinematic framework to understand the varied lithospheric settings of the Transantarctic Mountains and the tectono–volcanic activity within the rift. Incorporation of the Antarctic plate motion into the global plate circuit has major implications for the predicted Neogene motion of the Pacific Plate relative to the rest of the plates.…”
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1348“…Analyses also demonstrate that column collapse limits the dispersal capabilities of volcanic plumes, reducing their maximum height by up to 45%. …”
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1349por Parisio, Francesco, Vilarrasa, Victor, Wang, Wenqing, Kolditz, Olaf, Nagel, Thomas“…Supercritical geothermal systems are appealing sources of sustainable and carbon-free energy located in volcanic areas. Recent successes in drilling and exploration have opened new possibilities and spiked interest in this technology. …”
Publicado 2019
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1350por Gilfillan, S. M. V., Györe, D., Flude, S., Johnson, G., Bond, C. E., Hicks, N., Lister, R., Jones, D. G., Kremer, Y., Haszeldine, R. S., Stuart, F. M.“…Geophysics has not detected a thermal anomaly in the upper mantle and there is no geochemical evidence of an asthenosphere mantle contribution to the Cenozoic volcanic record of the region. Here we show that natural CO(2) seeps along the Ntlakwe-Bongwan fault within KwaZulu-Natal, South Africa, have C-He isotope systematics that support an origin from degassing mantle melts. …”
Publicado 2019
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1351por Dumont, Marc, Peltier, Aline, Roblin, Else, Reninger, Pierre-Alexandre., Barde-Cabusson, Stéphanie, Finizola, Anthony, Ferrazzini, Valérie“…The overall understanding of the volcanic edifice and its dynamics is thus limited by surface investigation, spatial resolution and penetration depth of the ground methods, but also by human and material resources, and harsh environments. …”
Publicado 2019
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1352por Murakami, Hiroyuki, Delworth, Thomas L., Cooke, William F., Zhao, Ming, Xiang, Baoqiang, Hsu, Pang-Chi“…Here, using a suite of high-resolution dynamical model experiments, we show that the observed spatial pattern of trends is very unlikely to be explained entirely by underlying multidecadal internal variability; rather, external forcing such as greenhouse gases, aerosols, and volcanic eruptions likely played an important role. …”
Publicado 2020
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1353por MacLennan, Scott A., Eddy, Michael P., Merschat, Arthur J., Mehra, Akshay K., Crockford, Peter W., Maloof, Adam C., Southworth, C. Scott, Schoene, Blair“…Here, we present eruption ages for three felsic volcanic units interbedded with glaciolacustrine sedimentary rocks from southwest Virginia, USA, that demonstrate that glacially influenced sedimentation occurred at tropical latitudes ca. 751 Ma ago. …”
Publicado 2020
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1354por Lemelle, L., Bartolini, A., Simionovici, A., Tucoulou, R., De Nolf, W., Bassinot, F., de Garidel-Thoron, T.“…Bioactive metal releases in ocean surface water, such as those by ash falls during volcanic super-eruptions, might have a potentially toxic impact on biocalcifier planktic microorganisms. …”
Publicado 2020
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1355por Stock, Michael J., Geist, Dennis, Neave, David A., Gleeson, Matthew L. M., Bernard, Benjamin, Howard, Keith A., Buisman, Iris, Maclennan, John“…In contrast with the uniform basaltic magmas erupted at the surface over long timescales, we find that the sub-volcanic systems contain extreme heterogeneity, with melts extending to rhyolitic compositions. …”
Publicado 2020
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1356“…Determining the state of magma reservoirs is essential to mitigate volcanic hazards. However, geophysical methods lack the spatial resolution to quantify the volume of eruptible magma present in the system, and the study of the eruptive history of a volcano does not constrain the current state of the magma reservoir. …”
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1357por Vieites, David R., Nieto-Román, Sandra, Fernández, Marcos Peso, Santos-Santos, Javier H.“…The amphibian fauna of the western Indian ocean volcanic island of Mayotte is currently constituted by two species belonging to two genera of the anuran family Mantellidae: Blommersia transmarina and Boophis nauticus. …”
Publicado 2020
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1358“…Magma from Plinian volcanic eruptions contains an extraordinarily large numbers of bubbles. …”
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1359por Korablev, Oleg, Olsen, Kevin S., Trokhimovskiy, Alexander, Lefèvre, Franck, Montmessin, Franck, Fedorova, Anna A., Toplis, Michael J., Alday, Juan, Belyaev, Denis A., Patrakeev, Andrey, Ignatiev, Nikolay I., Shakun, Alexey V., Grigoriev, Alexey V., Baggio, Lucio, Abdenour, Irbah, Lacombe, Gaetan, Ivanov, Yury S., Aoki, Shohei, Thomas, Ian R., Daerden, Frank, Ristic, Bojan, Erwin, Justin T., Patel, Manish, Bellucci, Giancarlo, Lopez-Moreno, Jose-Juan, Vandaele, Ann C.“…Here, we report the first detection of a halogen gas, HCl, which could, in theory, originate from contemporary volcanic degassing or chlorine released from gas-solid reactions. …”
Publicado 2021
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1360por Bastias, Joaquin, Spikings, Richard, Riley, Teal, Ulianov, Alexey, Grunow, Anne, Chiaradia, Massimo, Hervé, Francisco“…We present the results of U-Pb zircon dating conducted using laser ablation-inductively coupled plasma mass spectrometry (LA-ICP-MS), isotopic tracing analyses of Hf in zircon and Sr-Nd in whole-rock and whole-rock major oxides, and trace element abundances of 12 plutonic and volcanic rocks present on the Antarctic Peninsula. …”
Publicado 2021
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