 | | Report (chapter) | | 25, 2015 Hydrothermal deposits and metalliferous sediments from TAG, 26~ Mid-Atlantic Ridge R A C H E...Abstract: The Trans-Atlantic Geotraverse (TAG) hydrothermal site at 26~ on the Mid-Atlantic Ridge has been...of many studies since the early 1970s. The hydrothermal field includes a wide variety of deposits ranging...different styles of venting and the evolution of the hydrothermal system over time. Metalliferous sediments in...mass wasting of mound features and fall out of plume particulates. The active TAG mound was drilled by |  | | Journal (article/letter/editorial) | | subseafloor root zone of the TAG hydrothermal system, 268 N Mid-Atlantic Ridge Dionysis I. Foustoukos*, W...applicable to the Trans-Atlantic Geo-Traverse (TAG) hydrothermal system at 268 N, Mid-Atlantic Ridge. The mag...magnetite–bornite–anhydrite mineral assemblage imposed redox constraints, while pH was buffered with a 0...dissolved Fe is more sensitive to pH. Magnetite–bornite–anhydrite-fluid equilibria is characterized by...form this mineral assemblage during subseafloor hydrothermal alteration, however, requires elevated fluid |  | Murton, Bramley J., Lehrmann, Berit, Dutrieux, Adeline M., Martins, Sofia, de la Iglesia, Alba Gil, Stobbs, Iain J., Barriga, Fernando J.A.S., Bialas, Jörg, Dannowski, Anke, Vardy, Mark E., North, Laurence J., Yeo, Isobel A.L.M., Lusty, Paul A.J., Petersen, Sven (2019) Geological fate of seafloor massive sulphides at the TAG hydrothermal field (Mid-Atlantic Ridge) Ore Geology Reviews, 107. 903-925 doi:10.1016/j.oregeorev.2019.03.005 | Journal (article/letter/editorial) | | seafloor massive sulphides at the tag hydrothermal field (midatlantic ridge) Bramley J. Murton, Berit Lehrmann...seafloor massive sulphides at the tag hydrothermal field (mid-atlantic ridge), Ore Geology Reviews (2019)...SEAFLOOR MASSIVE SULPHIDES AT THE TAG 3 HYDROTHERMAL FIELD (MID-ATLANTIC RIDGE) 4 Bramley J. Murton 1*,...fbarriga@fc.ul.pt 4 GEOMAR Helmholtz Center for Ocean Research Kiel, Wischhofstrasse 1-3, 24148 ...spreading ridge. Our approach involved two 33 research cruises in the summer of 2016 to the TAG hydrothermal |  | Grant, Hannah L.J., Hannington, Mark D., Petersen, Sven, Frische, Matthias, Fuchs, Sebastian H. (2018) Constraints on the behavior of trace elements in the actively-forming TAG deposit, Mid-Atlantic Ridge, based on LA-ICP-MS analyses of pyrite. Chemical Geology, 498. 45-71 doi:10.1016/j.chemgeo.2018.08.019 | Journal (article/letter/editorial) | | trace elements in the activelyforming TAG deposit, Mid-Atlantic Ridge, based on LA-ICP-MS analyses of pyrite...trace elements in the actively-forming TAG deposit, Mid-Atlantic Ridge, based on LA-ICP-MS analyses of pyrite...trace elements in the actively-forming TAG deposit, Mid-Atlantic Ridge, based on LA-ICP-MS analyses of pyrite...Sebastian H. Fuchs1 GEOMAR Helmholtz Center for Ocean Research Kiel, Wischhofstrasse 1-3, 24148 Kiel,...University of Ottawa, Advanced Research RI SC Complex, 25 Templeton Street, Ottawa, K1N 6N5, Canada, |  | 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) | | presently forming VMS deposit: TAG hydrothermal mound, Mid-Atlantic Ridge, 26°°N Received: 16 November...drilling of the active TAG hydrothermal mound at 26°N on the Mid-Atlantic Ridge provided the ®rst insights...massive sul®de (VMS) deposit on a sediment-free mid-ocean ridge. Sul®de precipitation at this site started...200-m diameter, 50-m-high pyritic mound and a silici®ed stockwork complex containing approximately 3.9 million...sea¯oor. The periodic release of high-temperature hydrothermal ¯uids at the same location for several thousand |  | Popoola, Samuel Olatunde, Han, Xiqiu, Wang, Yejian, Qiu, Zhongyan, Ye, Ying, Cai, Yiyang (2019) Mineralogical and Geochemical Signatures of Metalliferous Sediments in Wocan-1 and Wocan-2 Hydrothermal Sites on the Carlsberg Ridge, Indian Ocean. Minerals, 9 (1) 26 doi:10.3390/min9010026 | Journal (article/letter/editorial) | | in Wocan-1 and Wocan-2 Hydrothermal Sites on the Carlsberg Ridge, Indian Ocean Samuel Olatunde Popoola...Yiyang Cai 2 1 2 3 * Department of Marine Science, Ocean College, Zhejiang University, Zhoushan 316021, China;...active hydrothermal site (Wocan-1) and inactive hydrothermal site (Wocan-2) from Wocan Hydrothermal Field...Field, on the Carlsberg Ridge (CR), northwest Indian Ocean. We aim to understand the spatial variations...conditions and the intensity of hydrothermal circulations in the Wocan hydrothermal systems. Sediment samples |  | GLYNN, S, MILLS, R, PALMER, M, PANCOST, R, SEVERMANN, S, BOYCE, A (2006) The role of prokaryotes in supergene alteration of submarine hydrothermal sulfides. Earth and Planetary Science Letters, 244 (1) 170-185 doi:10.1016/j.epsl.2006.01.065 | Journal (article/letter/editorial) | | prokaryotes in supergene alteration of submarine hydrothermal sulfides S. Glynn a,b , R.A. Mills a,⁎, M.R...c , S. Severmann d , A.J. Boyce e a School of Ocean and Earth Science, National Oceanography Centre...activity in supergene reactions within submarine hydrothermal sulfidic sediments. Data are presented for two...from the periphery of the inactive Alvin hydrothermal mound. The limit of oxygenated seawater penetration...associated with mid-ocean ridge hydrothermal systems [3] and eastern equatorial Pacific open ocean sites [4] |  | Lee, Su Young, Watanabe, Makoto, Hoshino, Kenichi, Oomori, Tamotsu, Fujioka, Kantaro, Rona, Peter A. (2002) First report of linnaeite (Co3S4) and millerite (NiS) from active submarine hydrothermal deposits: Rainbow hydrothermal field, Mid-Atlantic Ridge at 36˚14'N. Neues Jahrbuch für Mineralogie - Monatshefte, 2002 (1) 1-21 doi:10.1127/0028-3649/2002/2002-0001 | Journal (article/letter/editorial) | | active submarine hydrothermal deposits: Rainbow hydrothermal field, Mid-Atlantic Ridge at 36Ê 14¢ N Su...active submarine hydrothermal deposits: Rainbow hydrothermal field, Mid-Atlantic Ridge at 36Ê 14¢ N. –...seafloor hydrothermal deposit at the Rainbow hydrothermal field at 36Ê 14¢ N on the Mid-Atlantic Ridge. All...three minerals are exclusively associated with bornite and chalcopyrite. Textural relationships indicate...were the earliest-formed minerals, followed by bornite, and then by linnaeite and millerite. These minerals |  | | Journal (article/letter/editorial) | | Material from the Loki’s Castle Hydrothermal Vent on the Mohn’s Ridge Ben Snook 1, *, Kristian Drivenes... Abstract: Loki’s Castle on the Arctic Mid-Ocean Ridge (AMOR) is an area of possible seafloor massive...to characterise mineralised material from a hydrothermal vent system on the AMOR in detail for the first...Keywords: Seafloor sulphides; Norway; Arctic Mid Ocean Ridge; copper; zinc; mineralogy; ICP-ES/ MS; XRD;...present on the seafloor as active or inactive hydrothermal vent systems, and they may represent contemporary |  | | 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 |  | | Journal (article/letter/editorial) | | elsevier.com/locate/gca Insights to magmatic–hydrothermal processes in the Manus back-arc basin as recorded...sub-seafloor processes governing the formation of hydrothermal fluids in the convergent margin Manus Basin,...and Fenway) and SuSu Knolls (North Su) active hydrothermal fields. Chondrite-normalized REE patterns in...uniform REEN patterns measured in anhydrite from mid-ocean ridge deposits. The REEN patterns in anhydrite are...correlated with REE distributions measured in hydrothermal fluids venting at the seafloor at these vent fields |  | | 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 |  | | 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 |  | | 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 (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 |  | Negishi, Hironori, Arai, Shoji, Yurimoto, Hisayoshi, Ito, Shoichi, Ishimaru, Satoko, Tamura, Akihiro, Akizawa, Norikatsu (2013) Sulfide-rich dunite within a thick Moho transition zone of the northern Oman ophiolite: Implications for the origin of Cyprus-type sulfide deposits. Lithos, 164. 22-35 doi:10.1016/j.lithos.2012.11.024 | Journal (article/letter/editorial) | | Cyprus-type massive sulfide deposits near the surface. Field observations suggest that the sulfide-rich MTZ dunites...and MORB-related sulfides, such as TAG (Trans-Atlantic Geotraverse) deposits. One of the Cyprus type massive...massive sulfide deposit of Aarja formed in an off-ridge magmatichydrothermal system. © 2012 Elsevier B.V...V. All rights reserved. 1. Introduction Hydrothermal activity, which gives rise to alteration of rocks...igneous rocks formed at mid-ocean ridges. Many sulfide deposits related to hydrothermal activity have been |  | 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 |  | Badrzadeh, Zahra, Barrett, Timothy J., Peter, Jan M., Gimeno, Domingo, Sabzehei, Mossaieb, Aghazadeh, Mehraj (2011) Geology, mineralogy, and sulfur isotope geochemistry of the Sargaz Cu–Zn volcanogenic massive sulfide deposit, Sanandaj–Sirjan Zone, Iran. Mineralium Deposita, 46 (8) 905-923 doi:10.1007/s00126-011-0357-4 | Journal (article/letter/editorial) | | chlorite–quartz–pyrite pesudobreccia. Footwall hydrothermal alteration extends at least 70–80 m below the...represent low-temperature hydrothermal precipitates of the evolving hydrothermal system. Based on mineral...relationships, the growth history of the Sargaz deposit is complex and includes: (1) early precipitation of sulfides...sulfide mound followed by its subsequent dissolution, formation of breccia textures, and mound clasts...ultimately thermochemically reduced in deep hydrothermal reaction zones. Keywords Volcanogenic massive |  | 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 |  | 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 |  | | Journal (article/letter/editorial) | | COMMUNICATIONS IN ULTRAMAFIC-HOSTED HYDROTHERMAL THE MID-ATLANTIC RIDGE SULFIDES P.J.MURPHY L* Doartem...Sulfidesamples fromtheLogatchev hydrothermal field(14045 ' N, Mid-Atlantic Ridge),whichoccurs on an ultramafic...conducted by Bogdanov et al. (1995).Samchevhydrothermal field,whichareunusual fora number of ples for the present...Irina and Anna-Louise vents), which TheLogatchev hydrothermal fieldislocated onultramafic form depressions...tures which are more common elsewhere (e.g., TAG mound, Mid-AtlanticRidge.Basaltic lavaflowshavenot beenreHumphris |  | McDonald, Mervin, Piercey, Stephen, Layne, Graham, Pigage, Lee, Piercey, Glenn (2018) Mineral Assemblages, Textures and In Situ Sulphur Isotope Geochemistry of Sulphide Mineralization from the Cyprus-Type Ice Volcanogenic Massive Sulphide (VMS) Deposit, Yukon, Canada. Minerals, 8 (11) 501 doi:10.3390/min8110501 | Journal (article/letter/editorial) | | volcanogenic massive sulphide (VMS) deposit represents a mound shaped Cyprus (mafic)-type VMS deposit (~4.5 Mt...into five facies: (1) pyrite-rich; (2) pyrite-bornite-rich; (3) pyrite-chalcopyrite-rich; (4) hematite-pyrite;...Cyprus-type VMS deposit. In this paper we will utilize field geology, transmitted and reflected light microscopy...a model for the mineralogical, textural, and hydrothermal evolution of the Ice VMS deposit. These results...MORB = mid-ocean riedge basalt, N-MORB = normal mid-ocean ridge basalt, E-MORB = enriched mid-ocean ridge |  | Layton-Matthews, D., Peter, J. M., Scott, S. D., Leybourne, M. I. (2008) Distribution, Mineralogy, and Geochemistry of Selenium in Felsic Volcanic-Hosted Massive Sulfide Deposits of the Finlayson Lake District, Yukon Territory, Canada. Economic Geology, 103 (1) 61-88 doi:10.2113/gsecongeo.103.1.61 | Journal (article/letter/editorial) | | reduction to H2Se, and subsequent entrainment into hydrothermal ore fluid. However, estimates for the Kudz Ze...studies have modeled the behavior of selenium in hydrothermal ore deposits (Huston et al., 1995a, b; Simon...aqueous behavior of Se at high temperatures. In the mid 1990s, three polymetallic VHMS deposits of potential...Corp., pers. commun., 2004). This study presents field, petrographic, bulk geochemical, and mineral chemical...Kudz Ze Kayah deposits and in modern sea-floor hydrothermal analogs. First-order estimates based on volumetric |  | Melekestseva, I. Yu., Kotlyarov, V. A., Khvorov, P. V., Ivanov, V. N., Beltenev, V. E., Dobretsova, I. G. (2010) Noble-metal mineralization in the Semenov-2 hydrothermal field (13°31′N), mid-atlantic ridge. Geology of Ore Deposits, 52 (8) 800-810 doi:10.1134/s1075701510080118 | Journal (article/letter/editorial) | | Mineralization in the Semenov2 Hydrothermal Field (13°31′N), MidAtlantic Ridge I. Yu. Melekestsevaa, V. A...copper–zinc ore of the Semenov2 hydrothermal field, a site in the Semenov hydrothermal cluster discovered in 2007...only basalts have been dredged from the Semenov2 field, but anomalous gold and silver concentrations suggest...were found 1.5 km westward, in the Semenov1 hydrothermal field. Mineral assemblage and morphology of gold...indicate its primary origin in contrast to the hydrothermal fields hosted in basalts, where gold is a product |
|
