Correlations Between Subduction of Linear Oceanic Features and Arc Volcanism Volume Around the Pacific Basin [PDF]
Geochemistry, Geophysics, Geosystems, 2022, 23 (12),
pp.e2022GC010553, 2023 Arc volcanoes, created by magma generated from the dehydration of subducting slabs, show great variability in their sizes and along-arc spatial distributions. In this study, we address a fundamental question, namely, how do subduction zones and volcanic arcs respond to the subduction of ``atypical'' oceanic lithosphere.
arxiv +1 more source
Growth and Evolution of Secondary Volcanic Atmospheres: II. The Importance of Kinetics [PDF]
, 2022 Volcanism is a major and long-term source of volatile elements such as C and H to Earth's atmosphere, likely has been to Venus's atmosphere, and may be for exoplanets. Models simulating volcanic growth of atmospheres often make one of two assumptions: either that atmospheric speciation is set by the high-temperature equilibrium of volcanism; or, that ...
arxiv +1 more source
Terrestrial volcanic eruptions and their association with solar activity [PDF]
arXiv, 2022 Frequencies of volcanic eruptions in the past 270 years are compared with variations of solar activity and summary curve of principal components of the solar background magnetic field (SBMF).Frequency analysis with Morlet wavelet reveals the most pronounced period of volcanic eruptions of 22 years.
arxiv
Proximal Exploration of Venus Volcanism with Teams of Autonomous Buoyancy-Controlled Balloons [PDF]
, 2023 Altitude-controlled balloons hold great promise for performing high-priority scientific investigations of Venus's atmosphere and geological phenomena, including tectonic and volcanic activity, as demonstrated by a number of recent Earth-based experiments.
arxiv +1 more source
On The Geological Time Evolution of Volcanism in the Inner Solar System [PDF]
arXiv, 2020 We have studied the geological time evolution of volcanism in Earth and other inner solar system planetary bodies (Mercury, Moon, Mars and Venus) in both geophysical and biophysical perspective. The record of Large Igneous Provinces in Earth and other planetary objects suggest the existence of increasing, decreasing and cessation phases of major ...
arxiv
The global distribution of active Ionian Volcanoes and implications for tidal heating models [PDF]
, 2018 Tidal heating is the major source of heat in the outer Solar System. Because of its strong tidal interaction with Jupiter and the other Galilean Satellites, Io is incredibly volcanically active. We use the directly measured volcanic activity level of Io's volcanoes as a proxy for surface heat flow and compare to tidal heating model predictions ...
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ALMA detection of acetone, disulfur monoxide, and carbon monoxide in the Jupiter volcanic moon Io [PDF]
arXiv, 2021 The extremely thin atmosphere of Jupiter's volcanic moon Io primarily consists of sulfur (S), sodium (Na), and oxygen (O) molecules that are controlled by the combination of the sublimation and volcanic outgasses. We present the first spectroscopic detection of the two rotational emission lines of acetone (CH$_{3}$COCH$_{3}$) and a single emission line
arxiv
Io's polar volcanic thermal emission indicative of magma ocean and shallow tidal heating models [PDF]
arXiv, 2023 The distribution of Io's volcanic activity likely reflects the position and magnitude of internal tidal heating. We use new observations of Io's polar regions by the Juno spacecraft Jovian Infrared Auroral Mapper (JIRAM) to complete near-infrared global coverage, revealing the global distribution and magnitude of thermal emission from Io's currently ...
arxiv
Alkali and Halogen Chemistry in Volcanic Gases on Io [PDF]
, 2004 We use chemical equilibrium calculations to model the speciation of alkalis and halogens in volcanic gases emitted on Io. The calculations cover wide temperature (500-2000 K) and pressure (10^-6 to 10^+1 bars) ranges, which overlap the nominal conditions at Pele (T = 1760 K, P = 0.01 bars). About 230 compounds of 11 elements (O, S, Li, Na, K, Rb, Cs, F,
arxiv +1 more source
Combining machine learning techniques, microanalyses and large geochemical datasets for tephrochronological studies in complex volcanic areas: new age constraints for the Pleistocene magmatism of Central Italy [PDF]
, 2017 Characterization, correlation and provenance determination of tephra samples in sedimentary sections (tephrochronological studies) are powerful tools for establishing ages of depositional events, volcanic eruptions, and tephra dispersion. Despite the large literature and the advancements in this research field, the univocal attribution of tephra ...
arxiv +1 more source