 | Baumberger, Tamara, Früh-Green, Gretchen L., Thorseth, Ingunn H., Lilley, Marvin D., Hamelin, Cédric, Bernasconi, Stefano M., Okland, Ingeborg E., Pedersen, Rolf B. (2016) Fluid composition of the sediment-influenced Loki’s Castle vent field at the ultra-slow spreading Arctic Mid-Ocean Ridge. Geochimica et Cosmochimica Acta, 187. 156-178 doi:10.1016/j.gca.2016.05.017 | Journal (article/letter/editorial) | | sediment-influenced Loki’s Castle vent field at the ultra-slow spreading Arctic Mid-Ocean Ridge Tamara Baumberger...field Loki’s Castle is located in the Mohns-Knipovich bend (73°N) of the ultraslow spreading Arctic Mid-Ocean...Mid-Ocean Ridge (AMOR) close to the Bear Island sediment fan. The hydrothermal field is venting up to 320°...axial volcanic ridge. Even though the active chimneys have grown on a basaltic ridge, geochemical fluid...influence into the hydrothermal circulation at Loki’s Castle. Compelling evidence for a sediment input is |  | | Journal (article/letter/editorial) | | Mineralised Material from the Loki’s Castle Hydrothermal Vent on the Mohn’s Ridge Ben Snook 1, *, Kristian...2 * Department of Geoscience and Petroleum, Norwegian University of Science and Technology, 7491 Trondheim... Abstract: Loki’s Castle on the Arctic Mid-Ocean Ridge (AMOR) is an area of possible...massive sulphide (SMS)-style mineralisation under Norwegian jurisdiction, which, due to mounting social pressure...pyrrhotite and galena, but multiple samples from the Loki’s Castle contain economically interesting quantities |  | Eickmann, Benjamin, Baumberger, Tamara, Thorseth, Ingunn H., Strauss, Harald, Früh-Green, Gretchen L., Pedersen, Rolf B., Jaeschke, Andrea (2020) Sub-seafloor sulfur cycling in a low-temperature barite field: A multi-proxy study from the Arctic Loki’s Castle vent field. Chemical Geology, 539. 119495 doi:10.1016/j.chemgeo.2020.119495 | Journal (article/letter/editorial) | | barite field: A multi-proxy study from the Arctic Loki’s Castle vent field T ⁎ Benjamin Eickmanna, , Tamara...Porcelli The Loki's Castle vent field at the ultraslow-spreading Arctic Mid-Ocean Ridge (AMOR) hosts a low-temperature...Loki's Castle barite field is largely driven by microbial processes. Keywords: Loki's Castle vent field...sulfur cycling Arctic Mid-Ocean Ridge 1. Introduction Hydrothermal activity in deep-sea hydrothermal systems...the heating of seawater percolating through the ocean crust by a magmatic heat source and results in the |  | A. Marques, Ana Filipa, Roerdink, Desiree L., Baumberger, Tamara, de Ronde, Cornel E. J., Ditchburn, Robert G., Denny, Alden, Thorseth, Ingunn H., Okland, Ingeborg, Lilley, Marvin D., Whitehouse, Martin J., Pedersen, Rolf B. (2020) The Seven Sisters Hydrothermal System: First Record of Shallow Hybrid Mineralization Hosted in Mafic Volcaniclasts on the Arctic Mid-Ocean Ridge. Minerals, 10 (5) 439 doi:10.3390/min10050439 | Journal (article/letter/editorial) | | Mineralization Hosted in Mafic Volcaniclasts on the Arctic Mid-Ocean Ridge Ana Filipa A. Marques 1,2, *, Desiree L...Pedersen 1 1 2 3 4 5 6 * K.G. Jebsen Centre for Deep Sea Research, University of Bergen, 5007 Bergen, Norway;...mid-ocean ridge setting. The vent field is located at the southern part of the Arctic mid-ocean ridge...slow spreading mid-ocean ridge on the Kolbeinsey segment of the Arctic Mid-Ocean Ridge (AMOR). At Seven...extends from north of the Arctic Circle at 66◦ N to the Siberian Shelf in the Laptev Sea, is composed of several |  | | 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...Robert L. Wesson, and Göran Ekström (Eds.) 180 Arctic Sea Ice Decline: Observations, Projections, Mechanisms... 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 Massive Sulfide Deposits on an Arctic Mid-Ocean Ridge: Application of grade and tonnage models...Seafloor Massive Sulfide Deposits on an Arctic Mid-Ocean Ridge: Application of grade and tonnage models...Seafloor Massive Sulfide Deposits on an Arctic Mid-Ocean Ridge: Application of grade and tonnage models...models Cyril Juliani, Steinar Løve Ellefmo Norwegian University of Science and Technology (NTNU), Department...48 56 Keywords seafloor massive sulfide, mid-ocean ridge, resource assessment, grade, tonnage Abstract |  | | Journal (article/letter/editorial) | | Poland Department of Geoscience and Petroleum, Norwegian University of Science and Technology, S. P. Andersens...Citation: Ochromowicz, K.; Aasly, Keywords: deep-sea mining; marine minerals; seafloor massive sulfides;...doi.org/10.3390/min11121437 The discovery of deep-sea concretions, later known as polymetallic nodules...scientists has been to develop a technology for deep sea-floor exploration and extraction, enabling the collection...problems, probably caused by the great diversity of the sea-bed materials, or difficulties with the beneficiation |  | | Book | | the Deep A Photographic Atlas of the Seafloor and Ocean Crust The deep oceans and global seafloor are truly...and fault zones in mountains a mile beneath the ocean surface, where bizarre landscapes host exotic life...components of the Earth’s ocean floor and the myriad environments found along mid-ocean ridges where new crust...seafloor geology and biology using the latest deep-sea imaging and geological concepts. Jeffrey A. Karson...robotic vehicles, and has been on over 50 Alvin deep-sea submersible dives, to depths as great as 4000 meters |  | | Journal (article/letter/editorial) | | about 10 times higher than normally found in mid-ocean ridge basalts and 4 times greater than commonly observed...al. 2003), and in mid-ocean ridge hydrothermal vent deposits (e.g., Loki’s Castle; Eickmann et al. 2014)...hypersaline Sr-rich fluids with gypsum and/or anhydrite (Hanor 2000). In continental igneous settings...from active oceanic volcanic regions (e.g., mid-ocean ridge hydrothermal vents) and was unknown in the Hawaiian...other oceanic basalts (e.g., 100–150 ppm in mid-ocean ridge basalts; Hémond et al. 2006) may be the key factor |  | Zheng, Mengtian, Wang, Changle, Zhang, Lianchang, Shi, Zongbo, Zhu, Mingtian, Li, Zhiquan, He, Lidong (2018) Geological and geochemical constraints on the origin of the Early Cambrian Kalaizi Fe–Ba deposit in Western Kunlun, NW China. Ore Geology Reviews, 100. 347-359 doi:10.1016/j.oregeorev.2017.09.025 | Journal (article/letter/editorial) | | process because (i) δ34S values (37.8–42.8‰) of anhydrite and barite minerals were slightly higher than...characterized by the presence of anhydrite–magnetite and/or anhydrite–barite–magnetite assemblages (Zhang...unclear. In this regard, the magnetite–barite, anhydrite–sulfide, and dolomite–magnetite ores in this deposit...sedimentary rocks associated with the Laobing anhydrite iron deposit (Yan et al., 2012); (4) A detailed...dolomitic marble, sulfurized albite quartzite, anhydrite with lesser amounts of biotite plagioclase gneiss |  | | Journal (article/letter/editorial) | | oyhxli@csu.edu.cn (M.L.) National Key Laboratory of Deep-Sea Mineral Researches Development and Utilization Technology...the international metal market [1,2]. These deep-sea mineral commodities are formed by very different...deep-of deep-sea mining systems. The results also provide new information on key mechanical sea mining systems...particles (amorphous silica, some barite and anhydrite) [13]. In order tothe gain smokers usually begin...particles (amorphous silica, some barite and anhydrite) [13]. In Therefore, applied for two different |  | | Journal (article/letter/editorial) | | Institution of Washington, Washington DC 20015 1 Ocean island basalt (OIB) lavas from Mangaia, Cook Islands...olivine-hosted sulfides from 20-million-year-old ocean island basalts from Mangaia (most extreme "33S measurement...cn), (mdai@xmu.edu.cn) 2 Department of Earth and Ocean Sciences, University of South Carolina, Columbia...Terrane following the closure of the Intra-Pontide Ocean during the Late Cretaceous – Late Paleocene. The...relationship derived for inorganic calcite (e.g., deep sea corals) [2], whereas others appear to be offset to |  | Wilckens, Frederike K., Reeves, Eoghan P., Bach, Wolfgang, Meixner, Anette, Seewald, Jeffrey S., Koschinsky, Andrea, Kasemann, Simone A. (2018) The influence of magmatic fluids and phase separation on B systematics in submarine hydrothermal vent fluids from back-arc basins. Geochimica et Cosmochimica Acta, 232. 140-162 doi:10.1016/j.gca.2018.04.023 | Journal (article/letter/editorial) | | circulation is crucial to assess chemical fluxes in the ocean (Edmond et al., 1979, 1982; Von Damm et al., 1985...000-km long mid-ocean ridge system has long been recognized as a key player in regulating ocean chemistry....back-arc settings differs from those at mid-ocean ridge sites, indicating variations in physical and...2011, Seewald et al., 2015). In contrast to mid-ocean ridge vent systems, where the magmatic influx is...2010; Yamaoka et al., 2015). Furthermore, Mid-Ocean-Ridge Basalts (MORB) have B concentrations of ~1 mg/kg |  | | Journal (article/letter/editorial) | | This might be due to the subduction of an aseismic ridge that changed the geometry of melting sites in the...Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge TN 37831 We compared the laboratory-determined...diversity and distribution in methane seep of Yung-An Ridge, SW Taiwan A. LADENBERGER1*, D.G. GEE1, S. CLAESSON2...Grenvillian-Sveconorwegian terranes and that the Iapetus Ocean may well have opened along the axis of this older...identifed in the Yung-An Ridge located in the Northeastern South China Sea continental margin off southwestern |  | | Journal (article/letter/editorial) | | is located at the central part of the Monostoy ridge west of the Arsentyevka village. The massif outcrops...primary depositional setting in order to evaluate ocean basin conditions during this important interval...Positive Eu anomalies may reflect either the Archaean ocean signature or the influx of hot S-rich fluids or...wadis are important sources of water to the Red Sea coastal plain. Copper, zinc and other base-metals...Atmospheric inputs of iron and nitrogen to the Atlantic Ocean derived from large-scale field sampling ALEX BAKER* |  | | Journal (article/letter/editorial) | | information about the activity of methanotrophs in the ocean. Our rate measurements compared to 3H-CH4 rate measurements...during seawater-alteration at slow-spreading mid-ocean ridges. Talcschist and talc-bearing serpentinite...of Manchester, Manchester, UK 3 School of Earth, Ocean and Planetary Sciences, University of Cardiff, Cardiff...Cardiff, UK 4 The Royal Netherlands Institute for Sea Research (NIOZ), Den Burg, The Netherlands The Paleocene-Eocene...estimates of how much carbon was injected into the ocean-atmosphere system. This can be constrained by the |  | | Journal (issue) | | SALINITY CONTROLS ON SEDIMENTATION IN THE CHAMPLAIN SEA BASIN, OTTAWA, CANADA Omar Al-Mufti1, William Arnott1...unravel the depositional history of the Champlain Sea basin in Ottawa, Canada. CT-scan images and Hounsfield...temporal evolution of sedimentation in the Champlain Sea basin. ANALOGUE MODELS OF SYMPTOMATIC VERSUS ASYMPTOMATIC...distributed off-axis volcanism, in contrast to typical ridge-centered back-arc volcanism, and (2) fault kinematics...our understanding of VMS deposit formation on the sea floor or in back-arc basins, with relatively average |  | | Book | | billions of years (e.g., fluctuations in atmosphere-ocean geochemistry). Important work includes methodical...Yokosuka, Japan, 4 Research and Development Center for Ocean Drilling Science, Japan Agency for Marine-Earth...important biogeochemical and ecological roles in the ocean such as cell mortality and horizontal gene transfer...samples from the South Pacific Gyre [International Ocean Drilling Program (IODP) Exp. 329] (Engelhardt et...Oligotrophic, open ocean sediments such as those from the South Pacific Gyre cover 42% of the ocean while containing |  | | Report (volume) | | inheritance — MAGMA OCEAN CARBON CYCLE...............................184 Magma ocean carbon cycle during........................................184 Magma ocean carbon cycle after core formation................. Hazen & Schiffries 2 Lithosphere Mid-ocean ridge Ocean ? Fluid circulation Possible microbial community...include: (a) Microbial community structures on mid-ocean ridge flanks (adapted from images by Rosalind Coggon...Daspgupta 2013) and back-arc and Why Deep Carbon? 5 ridge volcanism (Burton et al. 2013; Jones et al. 2013) |
|
