 | | Journal (article/letter/editorial) | | the TAG hydrothermal field Rachel A. Mills ) , Deborah M. Wells, Stephen Roberts School of Ocean and...samples collected near an active hydrothermal site from the Mid-Atlantic Ridge and demonstrate extreme REE...crusts are formed directly from low-temperature hydrothermal fluids, channelled over 3 km from any high-temperature...high-temperature vent site. A significant hydrothermal component is observed in one Fe–Mn crust sampled. Other...range of accumulation rates depending on the hydrothermal plume input. The identification of extreme heterogeneity |  | | Report (chapter) | | Detailed geological studies of hydrothermal fields in the North Atlantic S. G. Krasnov, G. A. Cherkashev...Detailed geological studies of hydrothermal fields in the North Atlantic S. G . K R A S N O V 1, G. A....Institute of Geology and Mineral Resources of the Ocean, 1 A ngliysky A venue, 190121 St Petersburg, Russia...been carried out at the TAG and MARK hydrothermal fields of the Mid-Atlantic Ridge during research cruises...Association, St Petersburg. Detailed mapping of the MARK field (23~ allowed contouring of the massive sulphide |  | | 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 |  | | 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 |  | | Journal (article/letter/editorial) | | Zwartfontein, Akanani Project, Northern Bushveld Complex, South Africa. Contrib Mineral Petrol. 106:25–38...45:147–159. Fe-rich cap lithologies in the TAG hydrothermal field: implications for the preservation of extinct...340 high temperature hydrothermal sites have been identified at a range of ocean spreading centres (Petersen...stobbs@noc.soton.ac.uk the TAG hydrothermal field (26° North, mid-Atlantic ridge) and identify subsurface...studied: Southern Mound, MIR Mound, and a newly discovered mound named ‘Rona Mound’. All three sites |  | | 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 |  | | Book | | 01636083 0 geny G. Gurvich Sediments of the World Ocean Fundamental Theory of Deep-Sea Sedimentation 4V...Metalliferous Sediments of the World Ocean Fundamental Theory of Deep-Sea Hydrothermal Sedimentation Digitized...Metalliferous Sediments of the World Ocean Fundamental Theory of Deep-Sea Hydrothermal Sedimentation With 174 Figures...from the Juan de Fuca Ridge.61 1.4. Metalliferous sediments from the Indian ocean.72 1.5. Sediments in...in the areas of hydrothermal activity in the Southwest Pacific. 81 1.6. Metalliferous sediments in the |  | Melekestseva, Irina Yu., Maslennikov, Valery V., Tret’yakov, Gennady A., Nimis, Paolo, Beltenev, Victor E., Rozhdestvenskaya, Irina I., Maslennikova, Svetlana P., Belogub, Elena V., Danyushevsky, Leonid, Large, Ross, Yuminov, Anatoly M., Sadykov, Sergey A. (2017) Gold- and Silver-Rich Massive Sulfides from the Semenov-2 Hydrothermal Field, 13°31.13′N, Mid-Atlantic Ridge: A Case of Magmatic Contribution?. Economic Geology, 112 (4) 741-773 doi:10.2113/econgeo.112.4.741 | Journal (article/letter/editorial) | | Sulfides from the Semenov-2 Hydrothermal Field, 13°31.13'N, Mid-Atlantic Ridge: A Case of Magmatic Contribution...The basalt-hosted Semenov-2 hydrothermal field on the Mid-Atlantic Ridge is host to a rather unique Cu-Zn–...The formation of covellite-A was favored by hydrothermal fluid/seawater mixing or direct oxidation of...apparently lower for covellite-B. Although the Semenov-2 field is basalt hosted, several geochemical features of...sulfides studied are similar to those of the Mid-Atlantic Ridge ultramafic-hosted Cu-Zn–rich massive sulfides |  | Petersen, S., Herzig, P. M., Hannington, M. D., Jonasson, I. R., Arribas, A. (2002) Submarine Gold Mineralization Near Lihir Island, New Ireland Fore-Arc, Papua New Guinea. Economic Geology, 97 (8) 1795-1813 doi:10.2113/gsecongeo.97.8.1795 | Journal (article/letter/editorial) | | smectite, amorphous silica, K feldspar, secondary plagioclase, minor chlorite, and trace carbonate. The association...feldspar indicates deposition from near neutral pH hydrothermal fluids. However, the auriferous polymetallic...magmatic volatiles in the earliest stages of the hydrothermal system. Framboidal pyrite within and at the...environments. This paper documents the main features of hydrothermal mineralization at Conical seamount and discusses...of Lihir island. Note the cluster of shallow and mid-depth earthquakes between Lihir island and New Ireland |  | | 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 |  | | Journal (article/letter/editorial) | | Tsukuba, Ibaraki, Japan Abstract Three submarine hydrothermal sites (Snail, Y and Pika sites) in the southern...difference between off-axis and on-axis submarine hydrothermal activities and volcanic rocks. The Snail and...sites are located on the axis of the spreading ridge, and the Pika site is located on the offaxis region...region. Low-temperature venting of submarine hydrothermal fluids was observed at the Snail and Y sites...within the range of massive sulfides at the mid-ocean ridge rather than typical arc-type massive sulfides |
|
