Redox changes in a seafloor hydrothermal system recorded in hematite-chalcopyrite chimneys
Sign Up to like & getrecommendations! Published in 2018 at "Chemical Geology"
DOI: 10.1016/j.chemgeo.2018.02.041
Abstract: Abstract Hydrothermal chimneys composed of hematite and chalcopyrite grow at the Irina II vent site (Logatchev hydrothermal field, Mid-Atlantic Ridge). Hematite and chalcopyrite form layers that repeatedly alternate within the chimney wall. The repeating alternation… read more here.
Keywords: hematite layers; redox changes; hydrothermal system; hematite chalcopyrite ... See more keywords
Process characteristics and mechanism of Na2CO3-catalyzed water-gas shift reaction in a benzene-containing hydrothermal system
Sign Up to like & getrecommendations! Published in 2020 at "Fuel"
DOI: 10.1016/j.fuel.2020.117917
Abstract: Abstract Water-gas shift reaction (WGSR) is one of the most crucial reactions in the lignite-liquefaction system containing syngas (CO + H2) and H2O. In this study, the characteristics of WGSR were investigated in similar liquefaction systems, such… read more here.
Keywords: system; hydrothermal system; water; wgsr ... See more keywords
Geochemical characterisation of Taal volcano-hydrothermal system and temporal evolution during continued phases of unrest (1991–2017)
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Volcanology and Geothermal Research"
DOI: 10.1016/j.jvolgeores.2018.01.007
Abstract: Abstract Taal volcano (Luzon Island, Philippines) has last erupted in 1977 but has known some periods of increased activity, characterised by seismic swarms, ground deformation, increased carbon dioxide flux and in some cases temperature anomalies… read more here.
Keywords: taal; hydrothermal system; evolution; taal volcano ... See more keywords
A tidal-influenced hydrothermal system temporarily cooled by a tropical storm
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Volcanology and Geothermal Research"
DOI: 10.1016/j.jvolgeores.2020.106792
Abstract: Abstract The Lutao hydrothermal field is an intertidal arc-volcanic system located offshore southeast Taiwan, hosting a Zhudanqu (ZDQ) vent and a Huwaichi (HWC) spring with strongly contrasting fluid chemistry. Low Mg, moderately enriched Cl, and… read more here.
Keywords: system; hydrothermal system; temporarily cooled; system temporarily ... See more keywords
Reconstruction of the fossil hydrothermal system at Lake City caldera, Colorado, U.S.A.: Constraints for caldera-hosted geothermal systems
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Volcanology and Geothermal Research"
DOI: 10.1016/j.jvolgeores.2020.106794
Abstract: Abstract Reconstruction of the physiochemical characteristics of fossil hydrothermal systems can help guide exploration for modern geothermal or mineral resources in similar settings. The 22.9 Ma Lake City caldera in Colorado, U.S.A., is well-exposed and contains… read more here.
Keywords: fossil hydrothermal; city caldera; hydrothermal system; lake city ... See more keywords
Snapshot of a magmatic/hydrothermal system from electrical resistivity tomography and fumarolic composition, Whakaari/White Island, New Zealand
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Volcanology and Geothermal Research"
DOI: 10.1016/j.jvolgeores.2020.106909
Abstract: Abstract Combined interpretation of Electrical Resistivity Tomography (ERT) data, with plume and fumarolic gas emissions provides a snapshot of the Whakaari/White Island hydrothermal system 11 months prior to an eruption on December 9, 2019. Two and… read more here.
Keywords: resistivity; hydrothermal system; whakaari white; resistivity tomography ... See more keywords
Geologic and petrologic evolution of subvolcanic hydrothermal system: A case on pyroclastic deposits since the 1331 CE eruption at Azuma-Jododaira volcano, central Fukushima, North-Eastern Japan
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Volcanology and Geothermal Research"
DOI: 10.1016/j.jvolgeores.2021.107274
Abstract: Abstract This study investigated the evolution of the magma and hydrothermal system of the Azuma-Jododaira volcano, focusing on the geology and ash petrology of the tephra layers. Eight tephra layers were identified in the Jododaira-Iwodaira… read more here.
Keywords: silica; mica; chlorite; hydrothermal system ... See more keywords
Carbon dioxide diffuse emission at the Tolhuaca hydrothermal system (Chile) controlled by tectonics and topography
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Volcanology and Geothermal Research"
DOI: 10.1016/j.jvolgeores.2021.107316
Abstract: Abstract The Tolhuaca hydrothermal system is one of the few attested geothermal resources in Chile. While recent investigations provided some insights into the depth and temperature of the geothermal reservoirs and the chemical and mineralogical… read more here.
Keywords: co2; system; topography; hydrothermal system ... See more keywords
Numerical modeling of the Lusi hydrothermal system: Initial results and future challenges
Sign Up to like & getrecommendations! Published in 2017 at "Marine and Petroleum Geology"
DOI: 10.1016/j.marpetgeo.2017.08.012
Abstract: Abstract The Lusi mud eruption in East Java, Indonesia, is an active clastic-dominated geyser and a sedimentary hosted hydrothermal system that has generated wide interest across many disciplines. This moderate-to-high enthalpy system is driven by… read more here.
Keywords: initial results; system; hydrothermal system; geological model ... See more keywords
Impact of hydrothermal activity on organic matter quantity and quality during deposition in the Permian Dalong Formation, Southern China
Sign Up to like & getrecommendations! Published in 2019 at "Marine and Petroleum Geology"
DOI: 10.1016/j.marpetgeo.2019.08.049
Abstract: Abstract The very high temperature at the center of a hydrothermal system is detrimental for the deposition of organic-rich sediments. However, it's not known how the petroleum source rock develops at the boundary of a… read more here.
Keywords: hydrothermal activity; hydrothermal system; quantity quality; matter ... See more keywords
Phyllic alteration and the implications of fluid composition at the Copper Flat hydrothermal System, New Mexico, USA
Sign Up to like & getrecommendations! Published in 2019 at "Ore Geology Reviews"
DOI: 10.1016/j.oregeorev.2018.11.009
Abstract: Abstract The Copper Flat hydrothermal system in Hillsboro, New Mexico, USA, is hosted by a partially brecciated porphyritic quartz monzonite intrusive body. Igneous rocks are alkaline to calc-alkaline, and chondrite-normalized rare earth element (REE) plots… read more here.
Keywords: flat hydrothermal; phyllic alteration; hydrothermal system; alteration ... See more keywords