 | | 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 |  | | 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 |  | 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 |  | | Report (chapter) | | Precipitation of hydrothermal sediments on the active TAG mound: implications for ochre formation H.... A. M I L L S & R. W. N E S B I T T School of Ocean and Earth Science, Southampton Oceanography Centre...drilling studies of the active TAG hydrothermal mound (26°N, Mid-Atlantic Ridge) have led to new models of...Metalliferous sediments from the top of the hydrothermal mound accumulate from a combination of processes...fluids that percolate through the mound. Geochemical proxies of hydrothermal processes allow identification |  | | 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 |  | 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] |  | | 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...goethite and hematite as well as sulphates such as jarosite. As a result of this precipitation, it is commonly...focus on exploiting deposits associated with hydrothermal vents that have been inactive for some time |  | Bogdanov, Yu. A., Vikent’ev, I. V., Lein, A. Yu., Bogdanova, O. Yu., Sagalevich, A. M., Sivtsov, A. V. (2008) Low-temperature hydrothermal deposits in the rift zone of the Mid-Atlantic Ridge. Geology of Ore Deposits, 50 (2) 119-134 doi:10.1134/s1075701508020037 | Journal (article/letter/editorial) | | Low-Temperature Hydrothermal Deposits in the Rift Zone of the Mid-Atlantic Ridge Yu. A. Bogdanova,...data on the low-temperature hydrothermal deposits of the Snake Pit, TAG, Broken Spur, and Lucky Strike...Strike fields in the rift valley of the Mid-Atlantic Ridge (MAR) obtained during the 47th cruise of the R/V...diffuse flows of hydrothermal solutions and the material precipitated from hydrothermal plumes. Electron...akaganeite, opal, nontronite, lepidocrocite, and jarosite occur in subordinate amounts. Bacteria-like forms |  | 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 |  | | 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 |  | Safina, Nataliya P., Melekestseva, Irina Yu., Nimis, Paolo, Ankusheva, Nataliya N., Yuminov, Anatoly M., Kotlyarov, Vasily A., Sadykov, Sergey A. (2016) Barite from the Saf’yanovka VMS deposit (Central Urals) and Semenov-1 and Semenov-3 hydrothermal sulfide fields (Mid-Atlantic Ridge): a comparative analysis of formation conditions. Mineralium Deposita, 51 (4) 491-507 doi:10.1007/s00126-015-0617-9 | Journal (article/letter/editorial) | | and Semenov-1 and Semenov-3 hydrothermal sulfide fields (Mid-Atlantic Ridge): a comparative analysis of...and Semenov-3 seafloor hydrothermal fields (mid-Atlantic Ridge). Hydrothermal barite generally occurs...relationship with the genetic types. The δ34S values of hydrothermal barite from both ancient and modern colloform...respectively. The lower δ34S (avg +19.6‰) of hydrothermal barite from the Semenov3 clastic sulfides indicates...thermochemical reduction of seawater sulfate. Hydrothermal barite from the Saf’yanovka and Semenov-1 colloform |  | | 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 |  | Rusakov, V. Yu., Shilov, V. V., Ryzhenko, B. N., Gablina, I. F., Roshchina, I. A., Kuz’mina, T. G., Kononkova, N. N., Dobretsova, I. G. (2013) Mineralogical and geochemical zoning of sediments at the Semenov cluster of hydrothermal fields, 13°31′-13°30′ N, Mid-Atlantic Ridge. Geochemistry International, 51 (8) 646-669 doi:10.1134/s0016702913050066 | Journal (article/letter/editorial) | | the Semenov Cluster of Hydrothermal Fields, 13°31'–13°30' N, MidAtlantic Ridge V. Yu. Rusakova, V. V...northwestern (active) and eastern (inactive) hydrothermal vent fields of the Semenov cluster. Min eral...was proposed for the vertical structure of the hydrothermal–sedimentary sequence overlying massive sulfide...sediments, atacamite, Semenov hydrothermal cluster, MidAtlantic Ridge, upper Pleistocene–Holocene DOI:...are common within the hydrothermal fields The Semenov cluster of hydrothermal fields was discovered |  | 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...processing of seafloor hydrothermal sulfide fields. Field, 13◦ 200 N, Mid-Atlantic Ridge. Minerals 2022, 12...sulfides; smoker chimneys; hydrothermal sulfide fields; Mid-Atlantic Ridge Academic Editor: Pierfranco |  | Scotney, Philip M., Roberts, Stephen, Herrington, Richard J., Boyce, Adrian J., Burgess, Ray (2005) The development of volcanic hosted massive sulfide and barite–gold orebodies on Wetar Island, Indonesia. Mineralium Deposita, 40 (1) 76-99 doi:10.1007/s00126-005-0468-x | Journal (article/letter/editorial) | | barite and minor sulfides, cemented by a series of complex arsenates, oxides, hydroxides and sulfate, with...feeder structures to the barite mineralization. Hydrothermal alteration around the orebodies is zoned and...and P. M. Scotney (&) Æ S. Roberts School of Ocean and Earth Science, Southampton Oceanography Centre,...pyrophyllite are indicative of late acidic, oxidizing hydrothermal fluids proximal to mineralization. Altered footwall...93±0.21 Ma. Fluid inclusion data suggest that hydrothermal fluid temperatures were around 250– 270C, showed |  | | Journal (article/letter/editorial) | | in subaqueous environments from circulating hydrothermal fluids heated by volcanic activity. These deposits...rocks, the temperature and composition of the hydrothermal fluids NU and the redox state of the depositional...fluids and the redox state at the seafloor. Hydrothermal fluids with salinities less than twice that...oxic oceanic environments, typically formed small mound and chimney complexes, unless they were rapidly...self-induced by the exhalation of saline and reducing hydrothermal fluids that ponded in bathymetric depressions |  | Leybourne, Matthew I., Peter, Jan M., Layton-Matthews, Daniel, Volesky, John, Boyle, Dan R. (2006) Mobility and fractionation of rare earth elements during supergene weathering and gossan formation and chemical modification of massive sulfide gossan. Geochimica et Cosmochimica Acta, 70 (5) 1097-1112 doi:10.1016/j.gca.2005.11.003 | Journal (article/letter/editorial) | | enrichment of Au, Sb, and As, formation of jarosite group minerals (jarosite, plumbojarosite, and argentojarosite)...anomalies characteristic of the original (465 Ma) hydrothermal fluid is consistent with relatively large water–rock...plumbojarosite with anglesite, almost complete removal of jarosite minerals, loss of Au, Sb, and As and apparent...REE have also been the focus of research in hydrothermal and ore deposit 1098 M.I. Leybourne et al...constrain conditions of ore formation and footwall hydrothermal alteration (e.g., Michard and Albarède, 1986; |  | Chen, Xian, Sun, Xiaoming, Wu, Zhongwei, Wang, Yan, Lin, Xiao, Chen, Hongjun (2021) Mineralogy and Geochemistry of Deep-Sea Sediments from the Ultraslow-Spreading Southwest Indian Ridge: Implications for Hydrothermal Input and Igneous Host Rock. Minerals, 11 (2) 138 doi:10.3390/min11020138 | Journal (article/letter/editorial) | | Ultraslow-Spreading Southwest Indian Ridge: Implications for Hydrothermal Input and Igneous Host Rock Xian...Ultraslow-Spreading Southwest Indian Ridge: Implications for Hydrothermal Input and Igneous Host Rock. Minerals...sediments and hydrothermal deposits collected from the ultraslow-spreading Southwest Indian Ridge (SWIR) were...Si, Ni, Cr, and high field strength elements (HFSEs). By contrast, the hydrothermal-derived deposit (mainly...elements (such as Al–Fe–Mn and Si–Al–Mg), relict hydrothermal products, and diagnostic mineral tracers (e |  | Martin, Andrew J., Keith, Manuel, McDonald, Iain, Haase, Karsten M., McFall, Katie A., Klemd, Reiner, MacLeod, Christopher J. (2019) Trace element systematics and ore-forming processes in mafic VMS deposits: Evidence from the Troodos ophiolite, Cyprus. Ore Geology Reviews, 106. 205-225 doi:10.1016/j.oregeorev.2019.01.024 | Journal (article/letter/editorial) | | Christopher J. MacLeod(a) a School of Earth and Ocean Sciences, Cardiff University, Cardiff, CF10 3AT...‘magma’ volume, b) migration of the magmatic-hydrothermal crack front and associated brine liberation...ion exchange occurs between wall rock and the hydrothermal fluid (e.g. Jowitt et al., 2012; Patten et al...metals that can be contributed to the overlying hydrothermal system (de Ronde et al., 2011; Keith et al....now widely accepted that the Troodos ophiolite hydrothermal systems and associated VMS deposits are fossil |  | | Journal (article/letter/editorial) | | genetic types: hydrogenetic, diagenetic, and hydrothermal (Bolton et al., 1988; Hein et al., 1997). The...oxides. Manganese deposits related to submarine hydrothermal systems belong to the third type. These various...Geology 224 (2005) 136–152 itate from mixed hydrothermal fluids and seawater (Glasby et al., 1997; Hein...remobilization of Mn stored in the oxygen-depleted layer of ocean water and its migration and precipitation at the...the Western Tethys with increasing submarine hydrothermal activity during progressive rifting of the Tethys |  | | Report (volume) | | sub-disciplines, and numbers of researchers, the field has changes more in the past decade than in any...have emerged or advanced greatly since 1986. The field of Stable Isotope Geochemistry was born of a good...metamorphism, isotope thermometry, fluid flow, and hydrothermal alternation. The next chapter considers water...W. Valley Madison, Wisconsin David R. Cole Oak Ridge, Tennessee August 15, 2001 1 Equilibrium Oxygen...Analytical Sciences Division Oak Ridge National Laboratory Oak Ridge, Tennessee 37831 INTRODUCTION As |  | de Ronde, C. E. J., Hannington, M. D., Stoffers, P., Wright, I. C., Ditchburn, R. G., Reyes, A. G., Baker, E. T., Massoth, G. J., Lupton, J. E., Walker, S. L., Greene, R. R., Soong, C. W. R., Ishibashi, J., Lebon, G. T., Bray, C. J., Resing, J. A. (2005) Evolution of a Submarine Magmatic-Hydrothermal System: Brothers Volcano, Southern Kermadec Arc, New Zealand. Economic Geology, 100 (6) 1097-1133 doi:10.2113/gsecongeo.100.6.1097 | Journal (article/letter/editorial) | | 1097–1133 Evolution of a Submarine Magmatic-Hydrothermal System: Brothers Volcano, Southern Kermadec...coalesces with the southern caldera wall. Three hydrothermal sites have been located: on the northwest caldera...caldera wall, and on the dacite cone. Multiple hydrothermal plumes rise ~750 m through the water column...4 to 18.2. By 2002, plumes from the summit vent field had much lower particulate Cu (0.3 nM), total dissolvable...magmatic-hydrothermal systems. The northwest caldera vent site is a long-lived hydrothermal system that |  | Pinti, Daniele L., Hashizume, Ko, Sugihara, Akiyo, Massault, Marc, Philippot, Pascal (2009) Isotopic fractionation of nitrogen and carbon in Paleoarchean cherts from Pilbara craton, Western Australia: Origin of 15N-depleted nitrogen. Geochimica et Cosmochimica Acta, 73 (13) 3819-3848 doi:10.1016/j.gca.2009.03.014 | Journal (article/letter/editorial) | | Trace elements suggest silica precipitation by hydrothermal fluids as the main process of chert formation...detritus. This is supported by the occurrence of hydrothermal-derived minerals in the studied samples indicating...trends have been interpreted as a progressive hydrothermal alteration of the cherts by metamorphic fluids...chemolithoautotrophs and methanogens at the proximity to the hydrothermal vents. However, ambiguities between mantle vs...biosphere dominated by N-fixation in an anoxic Archean ocean, to an oxygenated world where nitrifiers and denitrifiers |  | Lorand, Jean-Pierre, Hewins, Roger H., Remusat, Laurent, Zanda, Brigitte, Pont, Sylvain, Leroux, Hugues, Marinova, Maya, Jacob, Damien, Humayun, Munir, Nemchin, Alexander, Grange, Marion, Kennedy, Allen, Göpel, Christa (2015) Nickeliferous pyrite tracks pervasive hydrothermal alteration in Martian regolith breccia: A study in NWA 7533. Meteoritics & Planetary Science, 50 (12) 2099-2120 doi:10.1111/maps.12565 | Journal (article/letter/editorial) | | 12565 Nickeliferous pyrite tracks pervasive hydrothermal alteration in Martian regolith breccia: A study...Department of Earth Ocean & Atmospheric Science and National High Magnetic Field Laboratory, Florida...site of the rover Opportunity by assuming that hydrothermal processes preconcentrated sulfur as pyrite deposits...this sulfide precipitation, impact events, and hydrothermal alteration of the Martian crust. Our aim was...microstructure was studied by conventional bright field imaging. The identification of the crystallographic |  | | Book | | 10M( stars is now understood to be an extremely complex process (Busso et al., 1999). On the first ascent...by telescopes on and above the Earth. Since the mid-1980s, an additional observational window has been...meteorites in which the grains are found. This new field of astronomy has grown to an extent that not all...our solar system formed. The final step in the complex history of stellar grains is the formation of planetesimals...their detailed study have opened a new and fruitful field of astrophysical research. ACKNOWLEDGMENTS I thank |
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