 | | Journal (article/letter/editorial) | | Seafloor Massive Sulfide Mounds at the TAG, Mid-Atlantic Ridge Berit Lehrmann 1, *, Iain J. Stobbs 2 ...located in the Trans-Atlantic Geotraverse (TAG) hydrothermal area of the Mid-Atlantic Ridge were drilled...remobilized early in the mound evolution and forms either a layer in the upper part of the mound or has been totally...seafloor massive sulfides; drilling; TAG hydrothermal area; Mid-Atlantic Ridge 1. Introduction Since the discovery...discovery of the first hydrothermal venting at the Galápagos Rift in 1977 [1], the number of discovered |  | | Journal (article/letter/editorial) | | influences on concentrations of trace metals in hydrothermal fluids SIMONE METZ and JOHN H. TREFRY* Department...metals in hydrothermal solutions from the southern Juan de Fuca Ridge (SJFR) and the TAG Hydrothermal Field...Field on the Mid-Atlantic Ridge are influenced by the combined effects of source rock composition, brine–seawater...brine–seawater mixing and complex interplay among various metals and minerals deposited and remineralized...however, concentrations of Cu in 363°C fluids at the TAG site are well above values determined from seawater/basalt |  | Fallon, Emily, Frische, Matthias, Petersen, Sven, Brooker, Richard, Scott, Thomas (2019) Geological, Mineralogical and Textural Impacts on the Distribution of Environmentally Toxic Trace Elements in Seafloor Massive Sulfide Occurrences. Minerals, 9 (3) 162 doi:10.3390/min9030162 | Journal (article/letter/editorial) | | them. In this study, SMS samples from seven hydrothermal fields from various tectonic settings were investigated...[25–29], but also the surrounding deep or coastal ocean including background fauna (soft sediment benthos)...our lack of understanding of these unique and complex ecosystems. Whilst it has been demonstrated that...[44,49], with a natural mineral ore containing complex mixtures of metals with a range of oxidation states...the disposal of mine tailings in coastal and deep ocean can also provide an indication of sulfide mineral |  | | Journal (article/letter/editorial) | | Smoker Smoke at the TAG and Broken Spur Hydrothermal Fields, Mid-Atlantic Ridge V. Yu. Rusakov Vernadsky...presents newly obtained data on the fluxes of hydrothermal–sedimentary material collected with sedimentation...the bottoms of black smokers at the TAG and Broken Spur hydrothermal fields and reports the results of...“mature” (having an age of 40–50 ka) hydrothermal spring at the TAG field contains 40% Fe hydroxides, in contrast...to the material of a spring at the Broken Spur field (age <1000 yr) whose material is dominated by sulfides |  | Grant, Hannah L.J., Hannington, Mark D., Hardardóttir, Vigdís, Fuchs, Sebastian H., Schumann, Dirk (2020) Trace metal distributions in sulfide scales of the seawater-dominated Reykjanes geothermal system: Constraints on sub-seafloor hydrothermal mineralizing processes and metal fluxes. Ore Geology Reviews, 116. 103145 doi:10.1016/j.oregeorev.2019.103145 | Journal (article/letter/editorial) | | geothermal system: Constraints on sub-seafloor hydrothermal mineralizing processes and metal fluxes Hannah...geothermal system: Constraints on sub-seafloor hydrothermal mineralizing processes and metal fluxes, Ore...geothermal system: Constraints on sub-seafloor hydrothermal mineralizing processes and metal fluxes Hannah...and Dirk Schumann4 1GEOMAR, Helmholtz Center for Ocean Research Kiel, Wischhofstrasse 1-3, D- 24148 Kiel...of Ottawa, 25 Templeton St., Advanced Research Complex, Ottawa, Canada, K1N 6N5 3Iceland 4Fibics GeoSurvey |  | | Journal (article/letter/editorial) | | Accepted Manuscript Oxidative dissolution of hydrothermal mixed-sulphide ore: An assessment of current...Brooker, T.B. Scott, Oxidative dissolution of hydrothermal mixed-sulphide ore: An assessment of current...journal pertain. Oxidative dissolution of hydrothermal mixed-sulphide ore: An assessment of current...focus on exploiting deposits associated with hydrothermal vents that have been inactive for some time...Introduction Whether associated with active or inactive hydrothermal vents, there is an interaction between sulphide |  | Maslennikov, Valeriy V., Cherkashov, Georgy A., Firstova, Anna V., Ayupova, Nuriya R., Beltenev, Victor E., Melekestseva, Irina Yu., Artemyev, Dmitry A., Tseluyko, Aleksandr S., Blinov, Ivan A. (2022) Trace Element Assemblages of Pseudomorphic Iron Oxyhydroxides of the Pobeda-1 Hydrothermal Field, 17°08.7′ N, Mid-Atlantic Ridge: The Development of a Halmyrolysis Model from LA-ICP-MS Data. Minerals, 13 (1) 4 doi:10.3390/min13010004 | Journal (article/letter/editorial) | | Oxyhydroxides of the Pobeda-1 Hydrothermal Field, 17◦ 08.70 N, Mid-Atlantic Ridge: The Development of a Halmyrolysis...Oxyhydroxides of the Pobeda-1 Hydrothermal Field, 17◦ 08.70 N, Mid-Atlantic Ridge: The Development of a Halmyrolysis...Institute for Geology and Mineral Resources of the Ocean (VNIIOkeangeologia), Angliisky Av. 1, 190121 St...the global processes of alteration of seafloor hydrothermal sediments, needs to be recognized in terms of...metallogenic and geoecological forecasts with respect to ocean exploration. The purpose of this paper is to explain |  | | Report (volume) | | Hydrothermal Vents and Processes Geological Society Special Publications Series Editor A.J. FLEET... GEOLOGICAL SOCIETY SPECIAL PUBLICATION NO. 87 Hydrothermal Vents and Processes EDITED BY L. M. P A R...BAKER,E. T. & KLINKHAMMER,G. Regional setting of hydrothermal activity 3 KRASNOV,S. G., POROSHINA,I. M....G. A. Geological setting of high-temperature hydrothermal activity and massive sulphide formation on fast-...ecology of the Broken Spur hydrothermal vent field: 29~ on the Mid-Atlantic Ridge 33 KRASNOV, S. G., CHERKASHEV |  | Petersen, S., Kuhn, K., Kuhn, T., Augustin, N., Hékinian, R., Franz, L., Borowski, C. (2009) The geological setting of the ultramafic-hosted Logatchev hydrothermal field (14°45′N, Mid-Atlantic Ridge) and its influence on massive sulfide formation. Lithos, 112 (1) 40-56 doi:10.1016/j.lithos.2009.02.008 | Journal (article/letter/editorial) | | ultramafic-hosted Logatchev hydrothermal field (14°45′N, Mid-Atlantic Ridge) and its influence on massive...2009 Keywords: Ultramafic-hosted Hydrothermal system Mid-Atlantic Ridge Massive sulfides Petrology a b...The Logatchev hydrothermal field (14°45′N on the MAR) is one of a few submarine hydrothermal systems associated...previously been linked to detachment faulting and core complex formation. Geological mapping during various ROV...shallow drilling reveal a structural control of hydrothermal activity as well as its location in a debris |  | | Report (issue) | | Kasahara, Pavel Izbekov, and Johnathan Lees (Eds.) 173 Ocean Circulation: Mechanisms and Impacts—Past and Future...Ellen R. Stofan, and Thomas E. Cravens (Eds.) 177 Ocean Modeling in an Eddying Regime Matthew Hecht and...Hasumi (Eds.) 178 Magma to Microbe: Modeling Hydrothermal Processes at Oceanic Spreading Centers Robert... S. Reeve, and Lee D. Slater (Eds.) 185 Indian Ocean Biogeochemical Processes and Ecological Variability...John Gash, and Pedro Silva Dias (Eds.) 187 Surface Ocean–Lower Atmosphere Processes Corinne Le Quèrè and |  | Melekestseva, Irina, Kotlyarov, Vasiliy, Tret’yakov, Gennadiy, Shilovskikh, Vladimir, Khvorov, Pavel, Belogub, Elena, Beltenev, Victor, Filippova, Kseniya, Sadykov, Sergey (2022) The Heavy-Metal Fingerprint of the Irinovskoe Hydrothermal Sulfide Field, 13°20′ N, Mid-Atlantic Ridge. Minerals, 12 (12) 1626 doi:10.3390/min12121626 | Journal (article/letter/editorial) | | Fingerprint of the Irinovskoe Hydrothermal Sulfide Field, 13◦ 200 N, Mid-Atlantic Ridge Irina Melekestseva 1,...The Heavy-Metal Fingerprint of the Irinovskoe Hydrothermal Sulfide Institute of Mineralogy, South Urals...chimneys of the Irinovskoe hydrothermal sulfide field, 13◦ 200 N, Mid-Atlantic Ridge. Sulfide samples were...(including Cd-bearing type with up to 41.38 wt% Cd) and wurtzite, subordinate opal, pyrite, chalcopyrite and Fe-oxyhydroxides...processing of seafloor hydrothermal sulfide fields. Field, 13◦ 200 N, Mid-Atlantic Ridge. Minerals 2022, 12 |  | | Journal (article/letter/editorial) | | pure silica precipitates of hydrothermal origin from the Central Indian Ocean b M. Halbach a,) , P. Halbach...about silica-rich hydrothermal precipitates which were sampled together with hydrothermal sulfides Žchimney...Žchimney fragments. in an extinct vent field in the Central Indian Ocean. There are two kinds of silica-rich...precipitates can be explained by different cycles of hydrothermal activity: one high-temperature Žabove 300 8C...processes are part of the evolution of the mineralized field. q 2002 Elsevier Science B.V. All rights reserved |  | | Journal (article/letter/editorial) | | Accepted: 6 May 2019 # The Author(s) 2019 Abstract Hydrothermal fluids on the modern seafloor are important... in part reflecting strong buffering of the hydrothermal fluids by their host rocks. Geochemical reaction-path...modeling shows that in most cases the investigated hydrothermal fluids are undersaturated with gold and silver...Precipitation of gold during conductive cooling of mid-ocean ridge black smoker (MOR) fluids occurs at low temperatures...ultramafic-dominated (UM) systems, the strongly reduced hydrothermal fluids promote the deposition of gold at higher |  | | Report (issue) | | originally given at an international workshop on deep ocean mineral resources beyond the limits of national...tectonic settings at the modern seafloor including mid-ocean ridges, back-arc rifts, and seamounts. Many of...deposits consist of a black smoker complex on top of a sulphide mound which commonly is underlain by a...the hightemperature (up to 400°C) metal-rich hydrothermal seawater fluid with ambient seawater. Polymetallic...the seafloor. It was documented that the 350°C hydrothermal fluids discharging from the black smoker chimneys |  | | Journal (article/letter/editorial) | | Massif (Mid-Atlantic Ridge, 30°N) were drilled during Expeditions 304 and 305 of the Integrated Ocean Drilling...Atlantis Massif, which hosts the Lost City Hydrothermal Field, 5 km to the south. The oceanic crust at...the serpentinites and gabbros of the Lost City hydrothermal system. Our studies are consistent with previous... All rights reserved. 1. INTRODUCTION In mid-ocean ridge environments, interaction of seawater with...isotope compositions in hydrothermal fluids, basaltic rocks and hydrothermal deposits in black smoker |  | Dias, Á.S., Mills, R.A., Ribeiro da Costa, I., Costa, R., Taylor, R.N., Cooper, M.J., Barriga, F.J.A.S. (2010) Tracing fluid–rock reaction and hydrothermal circulation at the Saldanha hydrothermal field. Chemical Geology, 273 (3) 168-179 doi:10.1016/j.chemgeo.2010.02.020 | Journal (article/letter/editorial) | | fluid–rock reaction and hydrothermal circulation at the Saldanha hydrothermal field Á.S. Dias a,⁎, R.A...Campo Grande, 1749-016 Lisboa, Portugal School of Ocean and Earth Science, National Oceanography Centre...Saldanha hydrothermal field Radiogenic isotopes Steatization a b s t r a c t The Saldanha hydrothermal field...non-transform offset (NTO5) on the Mid-Atlantic Ridge (MAR). This hydrothermal system was first described as...across the area and show that hydrothermal circulation at Saldanha is complex and spatially variable, comprising |  | | Journal (article/letter/editorial) | | Technology, CINEST 2012 Deep Sea Mining of Submarine Hydrothermal Deposits and Its Possible Environmental Impact...basin host three distinct well known submarine hydrothermal deposits of Vienna Wood, Pacmanus and Onsen...predominantly of pyrite, marcasite, sphalerite, wurtzite and chalcopyrite. The Pacmanus site is a polymetallic...consisting of sphalerite, chalcopyrite, bornite, wurtzite, pyrite, marcasite, enargite, tennantite, galena...Mineral Cooperation to explore for submarin e hydrothermal deposit in the Manus Basin. It has done extensive |  | Jamieson, John William, Hannington, Mark D., Tivey, Margaret K., Hansteen, Thor, Williamson, Nicole M.-B., Stewart, Margaret, Fietzke, Jan, Butterfield, David, Frische, Matthias, Allen, Leigh, Cousens, Brian, Langer, Julia (2016) Precipitation and growth of barite within hydrothermal vent deposits from the Endeavour Segment, Juan de Fuca Ridge. Geochimica et Cosmochimica Acta, 173. 64-85 doi:10.1016/j.gca.2015.10.021 | Journal (article/letter/editorial) | | barite within hydrothermal vent deposits from the Endeavour Segment, Juan de Fuca Ridge John William Jamieson...Julia Langer a a GEOMAR – Helmholtz Centre for Ocean Research Kiel, Wischhofstr. 1-3, 24148 Kiel, Germany...2015; available online 27 October 2015 Abstract Hydrothermal vent deposits form on the seafloor as a result...result of cooling and mixing of hot hydrothermal fluids with cold seawater. Amongst the major sulfide and sulfate...because it requires the direct mixing of Ba-rich hydrothermal fluid with sulfate-rich seawater in order for |  | | Journal (article/letter/editorial) | | gabbros at Lost City (30°N, MAR): Implications for hydrothermal alteration and microbial activity during serpentinization...Lost City Hydrothermal Field at the southern face of the Atlantis Massif (Mid-Atlantic Ridge, 30°N) were...microbial activity in this active, peridotite-hosted hydrothermal system. The serpentinized peridotites are characterized...which likely result from high fluid fluxes during hydrothermal circulation and evolution of the Lost City system...sulfide minerals in samples from near the base of hydrothermal carbonate towers at Lost City show d34S values |  | | Journal (article/letter/editorial) | | Sulfide Deposits, Escanaba Trough, Southern Gorda Ridge TUOMO O. TÖRMÄNEN* Institute of Geosciences, Department...the slow-spreading, southernmost segment of Gorda Ridge. These concentrations reflect the presence of primary...primary gold, formed during high-temperature hydrothermal activity in mounds and chimneys, and secondary...stage of hydrothermal venting reflect subsurface interaction between circulating hydrothermal fluids and...as a bisulfide complex and the absence of fluid mixing during this stage of hydrothermal activity apparently |  | | Book | | 2. Oceanography I. Title 553.09162 - dc. 21 3. Ocean bottom ISA/04/01 All rights reserved. No part...World’s Ocean 162 V. M. Yubko Chapter 4 Hydrothermal Sulphide Mineralisation of the Atlantic – Results...Development of Seafloor Massive Sulphides on deep-sea hydrothermal Vent Ecosystems 273 S. Kim Juniper Chapter...Development of an Environmental Baseline in Large Open-Ocean Systems off Southern Namibia by De Beers Marine...the seafloor in the abyssal plains of the world’s ocean, this requirement has worked and seven entities |  | Von Damm, K.L., Parker, C.M., Zierenberg, R.A., Lilley, M.D., Olson, E.J., Clague, D.A., McClain, J.S. (2005) The Escanaba Trough, Gorda Ridge hydrothermal system: Temporal stability and subseafloor complexity. Geochimica et Cosmochimica Acta, 69 (21) 4971-4984 doi:10.1016/j.gca.2005.04.018 | Journal (article/letter/editorial) | | gca.2005.04.018 The Escanaba Trough, Gorda Ridge hydrothermal system: Temporal stability and subseafloor... OLSON,3 D. A. CLAGUE,4 and J. S. MCCLAIN2 1 Complex Systems Research Center, Institute for the Study...sampled from the active hydrothermal system in Escanaba Trough, Gorda Ridge in 2000 and 2002 remain unchanged...unchanged from the only time this field was previously sampled, in 1988. ODP Leg 169 drilled nine bore...physical conditions occurring below the seafloor hydrothermal system. Calculations utilizing geochemical modeling |  | Maslennikov, V.V., Maslennikova, S.P., Large, R.R., Danyushevsky, L.V., Herrington, R.J., Ayupova, N.R., Zaykov, V.V., Lein, A.Yu., Tseluyko, A.S., Melekestseva, I.Yu., Tessalina, S.G. (2017) Chimneys in Paleozoic massive sulfide mounds of the Urals VMS deposits: Mineral and trace element comparison with modern black, grey, white and clear smokers. Ore Geology Reviews, 85. 64-106 doi:10.1016/j.oregeorev.2016.09.012 | Journal (article/letter/editorial) | | deposits, which are associated with ultramafic (Atlantic type: Dergamysh), mafic (Cyprus type: Buribay)...sites associated with serpentinites of the Mid-Atlantic Ridge. The chimneys from the Buribay deposit are...cold seawater to the subseafloor and seafloor hydrothermal processes. 2 ACCEPTED MANUSCRIPT 1. Introduction...black smoker chimney from the Broken Spur hydrothermal field (2910N, MAR). LA-ICP-MS offers enormous...LA-ICP-MS data on smokers from the Pacific and Atlantic oceans are used for comparison with the ancient |  | | Journal (article/letter/editorial) | | Interpretation of Mineral Zoning in Submarine Hydrothermal Ore Deposits in Terms of Coupled Fluid Flow-Precipitation...distributed in different parts of submarine hydrothermal ore deposits. For instance, the abundance of...the precipitation due to mixing of ascending hydrothermal solutions with ambient cold seawater. In the...quartz, barite, and anhydrite precipitated from a hydrothermal solution mixed with seawater, assuming reasonable...mass ratio (A/M), and initial concentrations of hydrothermal solution and seawater before mixing occurred |  | | Report (chapter) | | zones. The inner zone is interpreted as the hydrothermal conduit lining and in all cases is defined by...sulphide mound with cooler temperatures ( < 100°C) recorded in barite from the upper part of the mound. Barite...igneous and seawater sources for sulphur in the hydrothermal system with evidence for seawater circulation...and sulphate precipitation beneath the sulphide mound. The results are consistent with a similar model...Urals. In." MILLS, R. A. & HARRISON,K, (eds) Modern Ocean Floor Processesand the GeologicalRecord, Geological |
|
