 | Bortnikov, N.S., Simonov, V.A., Amplieva, E.E., Stavrova, O.O., Fouquet, Y. (2011) The physicochemical conditions of hydrothermal ore-forming systems of “black smokers” associated with mantle ultrabasites in the Central Atlantic region. Russian Geology and Geophysics, 52 (11) 1412-1420 doi:10.1016/j.rgg.2011.10.010 | Journal (article/letter/editorial) | | com/locate/rgg The physicochemical conditions of hydrothermal ore-forming systems of “black smokers” associated...associated with mantle ultrabasites in the Central Atlantic region N.S. Bortnikov a, V.A. Simonov b,*, E.E...from sulfide ores sampled in the Ashadze and Logatchev hydrothermal fields during the Serpentine cruise...ultrabasites in the Central Atlantic region. It was established that the studied hydrothermal systems differ in...and hydrothermal processes running within basaltic complexes in both low-spreading (Mid-Atlantic Ridge) |  | Melekestseva, Irina, Maslennikov, Valery, Tret’yakov, Gennady, Maslennikova, Svetlana, Danyushevsky, Leonid, Kotlyarov, Vasily, Large, Ross, Beltenev, Victor, Khvorov, Pavel (2020) Trace Element Geochemistry of Sulfides from the Ashadze-2 Hydrothermal Field (12°58′ N, Mid-Atlantic Ridge): Influence of Host Rocks, Formation Conditions or Seawater?. Minerals, 10 (9) 743 doi:10.3390/min10090743 | Journal (article/letter/editorial) | | of Sulfides from the Ashadze-2 Hydrothermal Field (12◦580 N, Mid-Atlantic Ridge): Influence of Host Rocks...Melekestseva 1, *, Valery Maslennikov 1 , Gennady Tret’yakov 1 , Svetlana Maslennikova 1 , Leonid Danyushevsky...2 , Vasily Kotlyarov 1 , Ross Large 2 , Victor Beltenev 3 and Pavel Khvorov 1 1 2 3 * Institute of...massive sulfides of the Ashadze-2 hydrothermal field (12◦ 580 N, Mid-Atlantic Ridge) is studied using LA-ICP-MS...Keywords: Ashadze-2 hydrothermal field; copper sulfides; formation conditions; LA-ICP-MS; Mid-Atlantic Ridge; |  | Mozgova, N. N., Trubkin, N. V., Borodaev, Y. S., Cherkashev, G. A., Stepanova, T. V., Semkova, T. A., Uspenskaya, T. Yu. (2008) MINERALOGY OF MASSIVE SULFIDES FROM THE ASHADZE HYDROTHERMAL FIELD, 13 N, MID-ATLANTIC RIDGE. The Canadian Mineralogist, 46 (3) 545-567 doi:10.3749/canmin.46.3.545 | Journal (article/letter/editorial) | | MASSIVE SULFIDES FROM THE ASHADZE HYDROTHERMAL FIELD, 13°N, MID-ATLANTIC RIDGE Nadezhda N. MOZGOVA§ and...Institute for Geology and Mineral Resources of the Ocean, St. Petersburg, 190121, Russia Tatiana Yu. USPENSKAYA...active Ashadze submarine hydrothermal field, located at a depth of 4100–4200 m at 13°N along the Mid-Atlantic...Mid-Atlantic Ridge, was discovered and sampled by dredge and grab sampler at four stations in 2003, on the 22...characteristics of the massive sulfides in the Ashadze field were established: 1) varied morphologies of the main sulfide |  | | 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) | | Fuchs 1,2 & Mark D. Hannington 1,3 & Sven Petersen 1 Received: 3 November 2018 / Accepted: 6 May 2019...2019 # The Author(s) 2019 Abstract Hydrothermal fluids on the modern seafloor are important carriers of... 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 |  | 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...Irina Yu. Melekestseva,1,† Valery V. Maslennikov,1,2 Gennady A. Tret’yakov,1 Paolo Nimis,3 Victor E....Irina I. Rozhdestvenskaya,4 Svetlana P. Maslennikova,1 Elena V. Belogub,1,2 Leonid Danyushevsky,5 Ross Large...Large,5 Anatoly M. Yuminov,2 and Sergey A. Sadykov1 1 Institute of Mineralogy, Urals Branch of Russian...The basalt-hosted Semenov-2 hydrothermal field on the Mid-Atlantic Ridge is host to a rather unique Cu-Zn– |  | | Journal (article/letter/editorial) | | mineralization” Dill H.G. *1 and Kolb, J. ** *) Gottfried Wilhelm Leibniz University, Welfengarten 1, D-30167 Hannover...crustal areas and in the largely exposed granite complex. Only Sn-W skarn deposits are genetically related...time and acted as conduits venting magmas and hydrothermal fluids from the waning stages of the Variscan...mineralizing system is most prospective for rare element 1 Corresponding author: Harald G. Dill (retired): E-mail:...marker mineralization; Fichtelgebirge Pluton, Germany 1. Introduction There are numerous studies of granite-hosted |  | Makkonen, Hannu V., Halkoaho, Tapio, Konnunaho, Jukka, Rasilainen, Kalevi, Kontinen, Asko, Eilu, Pasi (2017) Ni-(Cu-PGE) deposits in Finland – Geology and exploration potential. Ore Geology Reviews, 90. 667-696 doi:10.1016/j.oregeorev.2017.06.008 | Journal (article/letter/editorial) | | more geological information becomes available. 1. Introduction Finland has a long history of nickel...continuing at the Kevitsa and Talvivaara mines (Fig. 1, Table 1). At present nickel is also obtained from talc...and Sarvisoaivi deposits in the EnontekiöKäsivarsi area of northwestern Finland (Konnunaho et al. 2015;...Central Lapland greenstone belt (CLGB, Fig. 3 and Table 1) (Konnunaho et al. 2015). This list of komatiiterelated...N-S trending ca. 95-km-by 25-km area in the Kiihtelysvaara-Ilomantsi area (Fig. 3). These areas are characterised |  | | Report (volume) | | influence the long-term carbon cycle. See Figure 1 in Chapter 7 by Dasgupta. Predicted high-pressure...read even for those not actively involved in this area of research. Carbon in Earth is the result of the...Mineralogy and Geochemistry 75 TABLE OF CONTENTS 1 Why Deep Carbon? Robert M. Hazen, Craig M. Schiffries...inheritance — MAGMA OCEAN CARBON CYCLE...............................184 Magma ocean carbon cycle during........................................184 Magma ocean carbon cycle after core formation.............. |
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