The Guaymas Basin Hiking Guide to Hydrothermal Mounds, Chimneys, and Microbial Mats: Complex Seafloor Expressions of Subsurface Hydrothermal Circulation [PDF]
Frontiers in Microbiology, 2016 Frontiers in Microbiology ...
Luke J. McKay +14 more
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Correlating hydrothermal system dynamics and eruptive activity -- A case-study of Piton de la Fournaise volcano, La R{é}union [PDF]
Journal of Volcanology and Geothermal Research, Elsevier, 2018,
363, pp.23 - 39, 2022 Piton de la Fournaise volcano, La R{\'e}union Island, is a basaltic shield volcano which underwent an intense cycle of eruptive activity between 1998 and 2008. Self-potential and other geophysical investigations of the volcano have shown the existence of a well-established hydrothermal system within the summit cone.
arxiv +1 more source
Sustainability and dynamics of outcrop-to-outcrop hydrothermal circulation [PDF]
Nature Communications, 2015 AbstractMost seafloor hydrothermal circulation occurs far from the magmatic influence of mid-ocean ridges, driving large flows of water, heat and solutes through volcanic rock outcrops on ridge flanks. Here we create three-dimensional simulations of ridge–flank hydrothermal circulation, flowing between and through seamounts, to determine what controls ...
Dustin M. Winslow, Andrew T. Fisher
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Modes of crustal accretion and their implications for hydrothermal circulation [PDF]
Geophysical Research Letters, 2016 AbstractHydrothermal convection at mid‐ocean ridges links the ocean's long‐term chemical evolution to solid earth processes, forms hydrothermal ore deposits, and sustains the unique chemosynthetic vent fauna. Yet the depth extent of hydrothermal cooling and the inseparably connected question of how the lower crust accretes remain poorly constrained ...
Theissen-Krah, Sonja +2 more
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Moderate D/H Ratios in Methane Ice on Eris and Makemake as Evidence of Hydrothermal or Metamorphic Processes in Their Interiors: Geochemical Analysis [PDF]
, 2023 Dwarf planets Eris and Makemake have surfaces bearing methane ice of unknown origin. D/H ratios were recently determined from James Webb Space Telescope (JWST) observations of Eris and Makemake, giving us new clues to decipher the origin of methane. Here, we develop geochemical models to test if the origin of methane could be primordial, derived from ...
arxiv +1 more source
Magnetic imaging of subseafloor hydrothermal fluid circulation pathways
Science Advances, 2020 Magnetic studies of the seafloor have produced the first empirical model of a hydrothermal upflow zone.
Christopher G. Galley +4 more
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THM modeling of hydrothermal circulation at Rittershoffen geothermal site, France [PDF]
Geothermal Energy, 2018 Abstract Background The Rittershoffen deep geothermal project located 6 km east from Soultz-sous-Forts EGS site (France) includes a doublet GRT-1 and GRT-2 to exploit the geothermal resource at the sediments–granite transition where higher temperatures than those of Soultz-sous-Forêts have been measured.
Vallier, B. (Bérénice) +3 more
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Pattern Formation in Thermal Convective Systems: Spatio-temporal Thermal Statistics, Emergent Flux, and Local Equilibrium [PDF]
, 2022 We discuss spatio-temporal pattern formation in two separate thermal convective systems. In the first system, hydrothermal waves (HTW) are modeled numerically in an annular channel. A temperature difference is imposed across the channel, which induces a surface tension gradient on the free surface of the fluid, leading to a surface flow towards the ...
arxiv +1 more source
Modification of streaming potential by precipitation of calcite in a sand-water system: laboratory measurements pH range from 4 to 12 [PDF]
Geophysical Journal International 166 (2006) 445-460, 2006 Spontaneous Potentials associated with volcanic activity are often interpreted by means of the electrokinetic potential, which is usually positive in the flow direction (i.e. Zeta potential of the rock is negative). The water-rock interactions in hydrothermal zones alter the primary minerals leading to the formation of secondary minerals.
arxiv +1 more source
Study on seafloor hydrothermal systems circulation flow and heat transfer characteristics
Mathematical Biosciences and Engineering, 2022 <abstract> <p>In this work, the numerical simulation study of the hydrothermal flow and heat transfer process in the porous rock under 30 MPa pressure was developed. The flow and heat transfer characteristics of hydrothermal in rocks with different porosities are studied by changing the porosity of the rock.
Yi Ren +7 more
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