 | Milinovic, Jelena, Dias, Ágata Alveirinho, Janeiro, Ana I., Pereira, Manuel F. C., Martins, Sofia, Petersen, Sven, Barriga, Fernando J. A. S. (2020) XRD Identification of Ore Minerals during Cruises: Refinement of Extraction Procedure with Sodium Acetate Buffer. Minerals, 10 (2) 160 doi:10.3390/min10020160 | Journal (article/letter/editorial) | | Portugal; mfcp@ist.utl.pt GEOMAR-Helmholtz Centre for Ocean Research Kiel, Wischhofstraße 1-3, 24148 Kiel, Germany;...recovered in the Trans-Atlantic Geotraverse (TAG) field along the Mid Atlantic Ridge (MAR). Sediments...correlation with calcite XRD reflection in selected TAG samples, and this could be applied to the preliminary...hydroxides (goethite and hematite, respectively) were detected. Pyrite was the dominant hydrothermal mineral...and Cu sulfides (chalcopyrite, covellite) and hydrothermal Mn oxides (birnessite and todorokite) were mineral |  | 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) | | origin of clay minerals in active and relict hydrothermal deposits SILKE SEVERMANN,1,*,† RACHEL A. MILLS... PALMER,1 and ANTHONY E. FALLICK2 1 School of Ocean and Earth Science, Southampton Oceanography Centre...20, 2003) Abstract—Samples of Fe-oxide-rich hydrothermal sediments were collected from active and inactive...TransAtlantic Geotraverse (TAG) hydrothermal field on the Mid-Atlantic Ridge. Clays separated from TAG metalliferous...from the inactive Alvin mound compared with 81–96°C for samples from the active TAG site. The latter are |  | | Journal (article/letter/editorial) | | geochemistry of hydrothermal deposits from the active TAG Mound, 26°N Mid-Atlantic Ridge RACHEL A. MILLSt...geochemistry of various phases from the active TAG hydrothermal mound has been examined and related to their...their mineralogy and fluid chemistry. The mound deposits range from black and white smoker chimneys, massive...anhydrite within the TAG mound is the major mechanism for removal of REE during mound circulation and 0...from the white smoker chimneys. Oxides from the mound fall into three different categories with distinct |  | 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] |  | 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 |  | Severmann, Silke, Mills, Rachel A., Palmer, Martin R., Telling, Jon P., Cragg, Barry, John Parkes, R. (2006) The role of prokaryotes in subsurface weathering of hydrothermal sediments: A combined geochemical and microbiological investigation. Geochimica et Cosmochimica Acta, 70 (7) 1677-1694 doi:10.1016/j.gca.2005.12.008 | Journal (article/letter/editorial) | | role of prokaryotes in subsurface weathering of hydrothermal sediments: A combined geochemical and microbiological...Telling b, Barry Cragg c, R. John Parkes c School of Ocean and Earth Science, National Oceanography Centre...Queen’s Rd., Bristol BS8 1RJ, UK c School of Earth, Ocean and Planetary Sciences, Cardiff University, Cardiff...from the inactive Alvin mounds within the TAG hydrothermal field was conducted to examine, for the first...role of prokaryotes in subsurface weathering of hydrothermal sediments. Results show that there has been |  | | 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 |  | 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...us to identify protoferrihydrite, ferrihydrite, goethite, hematite, Mn-feroxyhyte, and Fe-vernadite. Fe-free |  | | 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 |  | | 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) | | seafloor deposition and diagenetic maturation of hydrothermal plume-derived silica-iron gels Received: 28...carbonate and cryptocrystalline hematite and/or goethite forming botryoidal masses and spheroids <10 lm...to record colloidal fallout from one or more hydrothermal plumes, followed by maturation (ageing) of an...on top of the gels. Keywords Jasper Æ Gels Æ Hydrothermal Æ Diagenesis Æ Volcanogenic massive sulphide...Introduction Jaspers (red hematitic cherts) of seafloor hydrothermal origin are known from some Proterozoic and many |  | Olatunde Popoola, Samuel, Han, Xiqiu, Wang, Yejian, Qiu, Zhongyan, Ye, Ying (2018) Geochemical Investigations of Fe-Si-Mn Oxyhydroxides Deposits in Wocan Hydrothermal Field on the Slow-Spreading Carlsberg Ridge, Indian Ocean: Constraints on Their Types and Origin. Minerals, 9 (1) 19 doi:10.3390/min9010019 | Journal (article/letter/editorial) | | Deposits in Wocan Hydrothermal Field on the Slow-Spreading Carlsberg Ridge, Indian Ocean: Constraints on...qiuzy@sio.org.cn (Z.Q.) Department of Marine Science, Ocean College, Zhejiang University, Zhoushan 316021, China;...and inactive (Wocan-2) hydrothermal sites (Carlsberg Ridge, Northwest Indian Ocean). Fe-oxyhydroxide deposits...yellowish Fe-oxyhydroxide, with minor peaks of goethite and manganese oxide minerals. The mineral assemblage...Mn) ratio of 0.003–0.58 (mean value, 0.04). The ridge flank oxyhydroxides exhibit an extremely low (mean |  | | 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...insoluble Fe oxy-hydroxide minerals including goethite and hematite as well as sulphates such as jarosite...focus on exploiting deposits associated with hydrothermal vents that have been inactive for some time |  | Syverson, Drew D., Scheuermann, Peter, Higgins, John A., Pester, Nicholas J., Seyfried, William E. (2018) Experimental partitioning of Ca isotopes and Sr into anhydrite: Consequences for the cycling of Ca and Sr in subseafloor mid-ocean ridge hydrothermal systems. Geochimica et Cosmochimica Acta, 236. 160-178 doi:10.1016/j.gca.2018.03.018 | Journal (article/letter/editorial) | | the cycling of Ca and Sr in subseafloor mid-ocean ridge hydrothermal systems Drew D. Syverson a,b,c,⇑, Peter...seawater and the oceanic crust at mid-ocean ridge (MOR) hydrothermal systems integrates various physiochemical...composition of high temperature vent fluids and coexisting ocean crust, and yet, little experimental data exist to...anhydrite and vent fluids sampled from the TAG hydrothermal system. Accordingly, anhydrite precipitation...chemical conditions characteristic of active MOR hydrothermal systems. Experimental data suggest that upon |  | Martin, Andrew J., Keith, Manuel, Parvaz, Daniel B., McDonald, Iain, Boyce, Adrian J., McFall, Katie A., Jenkin, Gawen R.T., Strauss, Harald, MacLeod, Christopher J. (2020) Effects of magmatic volatile influx in mafic VMS hydrothermal systems: Evidence from the Troodos ophiolite, Cyprus. Chemical Geology, 531. 119325 doi:10.1016/j.chemgeo.2019.119325 | Journal (article/letter/editorial) | | Effects of magmatic volatile influx in mafic VMS hydrothermal systems: evidence from the Troodos ophiolite...Effects of magmatic volatile influx in mafic VMS hydrothermal systems: evidence from the Troodos ophiolite... Effects of magmatic volatile influx in mafic VMS hydrothermal systems: evidence from the Troodos ophiolite...1Christopher J. MacLeod 1 School of Earth and Ocean Sciences, Cardiff University, UK 2 GeoZentrum...Evidence of magmatic volatile influx in mafic VMS hydrothermal systems ur The Troodos ophiolite, Cyprus is |  | | 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 |  | 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 |  | Martin, Andrew J., McDonald, Iain, MacLeod, Christopher J., Prichard, Hazel M., McFall, Katie (2018) Extreme enrichment of selenium in the Apliki Cyprus-type VMS deposit, Troodos, Cyprus. Mineralogical Magazine, 82 (3) 697-724 doi:10.1180/mgm.2018.81 | Journal (article/letter/editorial) | | Prichard1 and Katie McFall1 1 School of Earth and Ocean Sciences, Cardiff University, Main Building, Park...Troodos Massif and (in SW Cyprus) the Mamonia Complex (e.g. Robertson and Xenophontos, 1993). The Troodos...lithosphere formed during the closure of the Tethys ocean (e.g. Gass et al., 1968; Robertson, 2002). Initially...considered to have formed in a typical (open-ocean) mid-ocean ridge (MOR) environment (Gass, 1980); however...strongly epidotised dykes are believed to represent hydrothermal reaction zones (Richardson et al., 1987; Jowitt |  | Linsy, P., Prakash, L. Surya, Roy, Parijat, Shuhail, Muhammad, Kurian, P. John (2023) Geochemical Characteristics of Iron in a Sediment Core at 63°40′ E, Eastern Southwest Indian Ridge: Implications on Regional Hydrothermal Activities and Source Origin. Minerals, 13 (2) 209 doi:10.3390/min13020209 | Journal (article/letter/editorial) | | E, Eastern Southwest Indian Ridge: Implications on Regional Hydrothermal Activities and Source Origin...P. John Kurian * National Centre for Polar and Ocean Research, Ministry of Earth Sciences, Vasco-da-Gama...marine biogeochemical cycle, and hydrothermal processes at mid-ocean ridges are well-known as one of its...water column. However, a major portion of the hydrothermal iron is precipitated near the source and plays...core collected from the eastern Southwest Indian Ridge (SWIR) to understand the iron association in individual |  | | 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) | | calcite precipitation in Huanglong Ravine, China: Field measurements and theoretical prediction of deposition...ROSELL-MELT, G. EGLINTON,U. PFLAUMANN, and M. SARNTHEIN: Atlantic core-top calibration of the U?, index as sea-surface...iron oxides: III. Nonstoichiometric hydrogen in goethite. C. M. O’D ALEXANDER: Trace element contents of...geochemistry of hydrothermal deposits from the active TAG Mound, 26” N Mid-Atlantic Ridge. S. GHOSALand |  | | 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 |  | 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 |
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