Mostrando 1,501 - 1,520 Resultados de 2,293 Para Buscar '"volcán"', tiempo de consulta: 0.28s Limitar resultados
  1. 1501
    “…Consequently, the Hiawatha impact structure far predates Pleistocene glaciation and is unrelated to either the Paleocene-Eocene Thermal Maximum or flood basalt volcanism in east Greenland. However, it was contemporaneous with the Paleocene Carbon Isotope Maximum, although the impact’s exact paleoenvironmental and climatic significance awaits further investigation.…”
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  2. 1502
    “…The negative carbon-isotope excursion, mercury and organic-matter enrichment are accompanied by high-resolution ammonite and nannofossil biostratigraphy together with U–Pb CA-ID-TIMS geochronology derived from intercalated volcanic ash beds. A new age of ~ 183.73 + 0.35/− 0.50 Ma for the Pliensbachian–Toarcian boundary, and 182.77 + 0.11/− 0.15 for the tenuicostatum–serpentinum zonal boundary, is assigned based on high-precision U–Pb zircon geochronology and a Bayesian Markov chain Monte Carlo (MCMC) stratigraphic age model.…”
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  3. 1503
    “…A sequences of cold winters 1808/9-1815/6 can be explained by two volcanic eruptions and unusual atmospheric flow. Weak southwesterlies over Western Europe in early winter caused low Eurasian temperatures, which persisted into spring even though the flow pattern did not. …”
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  4. 1504
  5. 1505
    “…Much of the world’s supply of battery metals and platinum group elements (PGE) comes from sulphide ore bodies formed in ancient sub-volcanic magma plumbing systems. Research on magmatic sulphide ore genesis mainly focuses on sulphide melt-silicate melt equilibria. …”
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  6. 1506
    “…For this purpose, an efficient combination of volcanic pumice (VP), which is an extremely porous igneous rock, and a chitosan (CTS) polymeric network is prepared and suitably used for the stabilization of the Ag NPs. …”
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  7. 1507
    “…Volcanic activity can induce flank failure, sometimes generating large earthquakes and tsunamis. …”
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  8. 1508
    “…In particular, 20 stimuli were selected for each of the following 10 categories: earthquake, volcanic activity, lightning, hailstorm, drought, fire, landslide, epidemic, and neutral and positive images as control categories. …”
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  9. 1509
    “…Reported here are experiments that show that ribonucleoside triphosphates are converted to polyribonucleic acid when incubated with rock glasses similar to those likely present 4.3–4.4 billion years ago on the Hadean Earth surface, where they were formed by impacts and volcanism. This polyribonucleic acid averages 100–300 nucleotides in length, with a substantial fraction of 3′,-5′-dinucleotide linkages. …”
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  10. 1510
    “…The Little Ice Age (LIA; ca. 1450–1850 C.E.) is the best documented cold period of the past millennium, characterized by high-frequency volcanism, low solar activity, and high variability of Arctic sea-ice cover. …”
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  11. 1511
    “…This study provides a free database of ready-to-use Tropospheric Correction for InSAR for the three volcanic zones from north to south of the Andes. Average Daily Tropospheric Correction for InSAR (ADTC-InSAR) is a collection of average daily tropospheric delay matrices created using ECMWF re-analysis of the global atmosphere and surface conditions (ERA5) as atmospheric data and TRAIN software. …”
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  12. 1512
    “…In particular, it predicts a significant biogeochemical response across the EPME, resulting in a substantial increase in pyrite burial, possibly driven by Siberian Traps volcanism. Our model suggests that after ~ 10 million years pyrite burial achieves relative long-term stability until the latest Triassic.…”
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  13. 1513
    por Bell, James F., Maki, Justin N., Alwmark, Sanna, Ehlmann, Bethany L., Fagents, Sarah A., Grotzinger, John P., Gupta, Sanjeev, Hayes, Alexander, Herkenhoff, Ken E., Horgan, Briony H. N., Johnson, Jeffrey R., Kinch, Kjartan B., Lemmon, Mark T., Madsen, Morten B., Núñez, Jorge I., Paar, Gerhard, Rice, Melissa, Rice, James W., Schmitz, Nicole, Sullivan, Robert, Vaughan, Alicia, Wolff, Mike J., Bechtold, Andreas, Bosak, Tanja, Duflot, Louise E., Fairén, Alberto G., Garczynski, Brad, Jaumann, Ralf, Merusi, Marco, Million, Chase, Ravanis, Eleni, Shuster, David L., Simon, Justin, St. Clair, Michael, Tate, Christian, Walter, Sebastian, Weiss, Benjamin, Bailey, Alyssa M., Bertrand, Tanguy, Beyssac, Olivier, Brown, Adrian J., Caballo-Perucha, Piluca, Caplinger, Michael A., Caudill, Christy M., Cary, Francesca, Cisneros, Ernest, Cloutis, Edward A., Cluff, Nathan, Corlies, Paul, Crawford, Kelsie, Curtis, Sabrina, Deen, Robert, Dixon, Darian, Donaldson, Christopher, Barrington, Megan, Ficht, Michelle, Fleron, Stephanie, Hansen, Michael, Harker, David, Howson, Rachel, Huggett, Joshua, Jacob, Samantha, Jensen, Elsa, Jensen, Ole B., Jodhpurkar, Mohini, Joseph, Jonathan, Juarez, Christian, Kah, Linda C., Kanine, Oak, Kristensen, Jessica, Kubacki, Tex, Lapo, Kristiana, Magee, Angela, Maimone, Michael, Mehall, Greg L., Mehall, Laura, Mollerup, Jess, Viúdez-Moreiras, Daniel, Paris, Kristen, Powell, Kathryn E., Preusker, Frank, Proton, Jon, Rojas, Corrine, Sallurday, Danny, Saxton, Kim, Scheller, Eva, Seeger, Christiana H., Starr, Mason, Stein, Nathan, Turenne, Nathalie, Van Beek, Jason, Winhold, Andrew G., Yingling, Rachel
    Publicado 2022
    “…Images reveal rocks consistent with an igneous (including volcanic and/or volcaniclastic) and/or impactite origin and limited aqueous alteration, including polygonally fractured rocks with weathered coatings; massive boulder-forming bedrock consisting of mafic silicates, ferric oxides, and/or iron-bearing alteration minerals; and coarsely layered outcrops dominated by olivine. …”
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  14. 1514
    “…Serpentinization and carbonation of mantle rocks (peridotite alteration) are fundamentally important processes for a spectrum of geoscience topics, including arc volcanism, earthquake processes, chemosynthetic biological communities, and carbon sequestration. …”
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  15. 1515
    “…The source of massive magma production at volcanic rifted margins remains strongly disputed since the first observations of thick lava piles in the 1980s. …”
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  16. 1516
    “…Here we present microseismicity data, recorded by ocean bottom seismometers, showing that the axial brittle lithosphere is on the order of 15 km thick under the nearly-amagmatic smooth seafloor, which is no thicker than under nearby volcanic seafloor or at more magmatic SWIR detachment systems. …”
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  17. 1517
    Publicado 2002
    Video DVD
  18. 1518
    por Livermore, Roy
    Publicado 2018
    “…Written in a witty and informal style, this book explains modern plate tectonics in a non-technical manner, showing not only how it accounts for phenomena such as great earthquakes, tsunamis, and volcanic eruptions, but also how it controls conditions at the Earth’s surface, including global geography and climate, making it suitable for life. …”
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  19. 1519
    “…In Anchorage, PM10 is composed primarily of earth crustal material and volcanic ash. Carbon monoxide is measured only during the winter months. …”
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  20. 1520
    “…Enrichment factor analyses suggest that Na, Mg, Ca, K, and Sr are of marine origin and Al, Fe, Mn, Rb, Cr, Ni, Ga, V, and all the rare earth elements are of crustal origins. Volcanic eruption of Mt. Pinatubo (June 1991) and Mt. …”
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