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Theory of Hydrothermal Systems
Annual Review of Earth and Planetary Sciences, 1984Hydrothermal systems are sets of processes that redistribute energy and mass in response to circulating H20 fluids. These systems are active today in the oceanic and continental crusts, and their fossilized equivalents constitute a substantial portion of the geologic record.
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Eukaryotic organisms of continental hydrothermal systems
Extremophiles, 2019Continental hydrothermal systems are a dynamic component of global thermal and geochemical cycles, exerting a pronounced impact on water chemistry and heat storage. As such, these environments are commonly classified by temperature, thermal fluid ionic concentration, and pH.
Sabrina R, Brown, Sherilyn C, Fritz
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Biological Potential of Martian Hydrothermal Systems
Astrobiology, 2003A source of energy to power metabolism may be a limiting factor in the abundance and spatial distribution of past or extant life on Mars. Although a global average of chemical energy available for microbial metabolism and biomass production on Mars has been estimated previously, issues of how the energy is distributed and which particular environments ...
E S, Varnes, B M, Jakosky, T M, McCollom
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Short-Term Operation of Hydrothermal Systems
IFAC Proceedings Volumes, 1987Abstract The objective of short-term operation is to produce a daily schedule for each reservoir that meets the system operating constraints (water balance, bounds on volumes and outflows) and the generation targets established by longer-term scheduling models.
L.M.V.G. Pinto, M.V.F. Pereira
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Hydrothermal Systems in Small Ocean Planets
Astrobiology, 2007We examine means for driving hydrothermal activity in extraterrestrial oceans on planets and satellites of less than one Earth mass, with implications for sustaining a low level of biological activity over geological timescales. Assuming ocean planets have olivine-dominated lithospheres, a model for cooling-induced thermal cracking shows how variation ...
Vance, Steve +5 more
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Subvolcanic hydrothermal systems: Implications from hydrothermal minerals in hydrovolcanic ash
Journal of Volcanology and Geothermal Research, 2005Abstract Hydrothermal minerals, including silica, 7 A-kaolin minerals, pyrophyllite, di-octahedral smectite, and alunite in ash of phreatic/phreatomagmatic eruptions from eight volcanoes in Northeastern Japan were derived from subvolcanic hydrothermal systems.
T. Ohba, Y. Kitade
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Titanium complexation in hydrothermal systems
Geochemistry International, 2006The solubility of rutile in aqueous solutions of HCl, HF, H2SO4, NaOH, and NaF was determined at 500°C, 1000 bar, and hydrogen fugacity from 8 × 10−12 to 10.3 bar (Mn3O4/Mn2O3 and Ni/NiO buffers, dissolution of an Al batch weight). The experimentally determined solubility values were used to calculate the constants of the following equilibria at 500°C ...
B. N. Ryzhenko +2 more
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