 | Petersen, Sven, Herzig, Peter M., Schwarz-Schampera, Ulrich, Hannington, Mark D., Jonasson, Ian R. (2004) Hydrothermal precipitates associated with bimodal volcanism in the Central Bransfield Strait, Antarctica. Mineralium Deposita, 39 (3) 358-379 doi:10.1007/s00126-004-0414-3 | Journal (article/letter/editorial) | | with bimodal volcanism in the Central Bransfield Strait, Antarctica Received: 3 December 2003 / Accepted:...Bransfield Strait, a late Tertiary-Quaternary marginal basin close to the Antarctic Peninsula. The mineralization...volcanoes (Hook Ridge and Three Sisters) in the Central Bransfield Strait. Mineralization at Hook Ridge consists...consists of polymetallic sulfides, massive barite, and pyrite and marcasite crusts in semilithified pelagic and...minor galena, enargite, tetrahedrite-tennantite, pyrite, chalcopyrite, and traces of orpiment cemented |  | Dählmann, A, Wallmann, K, Sahling, H, Sarthou, G, Bohrmann, G, Petersen, S, Chin, C.S, Klinkhammer, G.P (2001) Hot vents in an ice-cold ocean: Indications for phase separation at the southernmost area of hydrothermal activity, Bransfield Strait, Antarctica. Earth and Planetary Science Letters, 193 (3) 381-394 doi:10.1016/s0012-821x(01)00535-0 | Journal (article/letter/editorial) | | area of hydrothermal activity, Brans¢eld Strait, Antarctica A. Da«hlmann a; *, K. Wallmann a , H. Sahling...hydrothermally influenced sediments of Bransfield Strait were obtained at Hook Ridge, a volcanic edifice in the Central...Central Basin of the Strait. The vent sites are characterized by white siliceous crusts on top of the... While the Cl-depleted fluid is emanating at Hook Ridge, a Cl-enriched fluid can be identified in the...phase; separation; hydrothermal vents; Antarctica; Brans¢eld Strait 1. Introduction * Corresponding author |  | Aquilina, Alfred, Homoky, William B., Hawkes, Jeffrey A., Lyons, Timothy W., Mills, Rachel A. (2014) Hydrothermal sediments are a source of water column Fe and Mn in the Bransfield Strait, Antarctica. Geochimica et Cosmochimica Acta, 137. 64-80 doi:10.1016/j.gca.2014.04.003 | Journal (article/letter/editorial) | | of water column Fe and Mn in the Bransfield Strait, Antarctica Alfred Aquilina a, William B. Homoky a,b...the top of Hook Ridge, a submarine volcanic edifice in the Central Basin of the Bransfield Strait, Antarctica...is dispersed over several km at the depth of Hook Ridge. We hypothesise that the main mechanism for Fe...dynamic volcanic environment. We propose that Hook Ridge sediments are an important source of Fe and Mn...deep waters of the Central Basin in the Bransfield Strait, where concentrations are sustained by the benthic |  | | Journal (article/letter/editorial) | | including pyritic stockwork breccia, massive pyrite and pyrite-anhydrite breccia, and fragments of black...with an inner core of mostly porous sphalerite and pyrite with minor chalcopyrite lining the central cavity...outer zone dominated by amorphous silica, barite, pyrite, and marcasite (de Ronde et al., 2003, 2005, 2011)...continuous core of massive sulfides and sulfates with pyrite, chalcopyrite, tetrahedrite, famatinite, marcasite...anhydrite with central conduits filled by fine-grained pyrite, marcasite, sphalerite, and rare chalcopyrite. |  | Spain, E. A., Johnson, S. C., Hutton, B., Whittaker, J. M., Lucieer, V., Watson, S. J., Fox, J. M., Lupton, J., Arculus, R., Bradney, A., Coffin, M. F. (2020) Shallow Seafloor Gas emissions Near Heard and McDonald Islands on the Kerguelen Plateau, Southern Indian Ocean. Earth and Space Science, 7 (3). doi:10.1029/2019ea000695 | Journal (article/letter/editorial) | | M.F. Coffin1,8,9 1 Institute for Marine and Antarctic Studies, University of Tasmania, Hobart, Tasmania...Island and McDonald Islands (HIMI) are a sub-Antarctic island group in the southern Indian Ocean (Fig...than typical δ3He values of ~8% from mid-ocean ridge basalts (MORB): 8.22% (CTD-20) and ©2019 American...values; Fig. 8c) consistent with biogenic sulfide and pyrite formation associated with microbial ©2019 American...yelloworange Beggiatoa mats observed at Hydrate Ridge (Tryon et al., 2002; Boetius & Suess, 2004), these |  | | Journal (article/letter/editorial) | | This is shown in Equations 1.1 and 1.2 involving pyrite. Equation 1 Equation 2 The main difference is...hematite as shown by Equations 1.3 and 1.4 involving pyrite. These minerals can accumulate as insulating crusts...Trans-Atlantic Geotraverse (TAG) and Logatchev, Mid-Atlantic Ridge sites (Dekov et al., 2011; Hannington, 1993). It...Logatchev vent field at 14°45’N on the Mid Atlantic Ridge, do not behave as sinks for heavy metals during...hydrothermal field at 26°N on the Mid Atlantic Ridge are Au enriched compared to others in the same area |  | Melekestseva, Irina, Maslennikov, Valery, Safina, Nataliya, Nimis, Paolo, Maslennikova, Svetlana, Beltenev, Victor, Rozhdestvenskaya, Irina, Danyushevsky, Leonid, Large, Ross, Artemyev, Dmitry, Kotlyarov, Vasily, Toffolo, Luca (2018) Sulfide Breccias from the Semenov-3 Hydrothermal Field, Mid-Atlantic Ridge: Authigenic Mineral Formation and Trace Element Pattern. Minerals, 8 (8) 321 doi:10.3390/min8080321 | Journal (article/letter/editorial) | | the Semenov-3 Hydrothermal Field, Mid-Atlantic Ridge: Authigenic Mineral Formation and Trace Element...hydrothermal field (Mid-Atlantic Ridge). The breccias are composed of marcasite–pyrite clasts enclosed in a barite–sulfide–quartz... fine-crystalline, porous and radial marcasite–pyrite clasts with inclusions or individual clasts of...including framboidal, ovoidal and nodular pyrite, coarse-crystalline pyrite and marcasite, anhedral and reniform...–chalcopyrite aggregates in coarse-crystalline pyrite, zoned bornite–chalcopyrite grains, specular and |  | Zhou, Xiqiang, Chen, Daizhao, Qing, Hairuo, Qian, Yixiong, Wang, Dan (2014) Submarine silica-rich hydrothermal activity during the earliest Cambrian in the Tarim Basin, Northwest China. International Geology Review, 56 (15) 1906-1918 doi:10.1080/00206814.2014.968885 | Journal (article/letter/editorial) | | spherulite, fine to coarse quartz) with subordinate pyrite, Fe-(oxyhydr)oxide, and barite. The host dolostones...Figure 4(D) for a comparison). Note the impregnated pyrite crystals in the chalcedony (arrow). Plane-polarized...amorphous Fe-(oxyhydr) oxides (goethite and haematite), pyrite, and barite. Amorphous Fe-(oxyhydr)oxides commonly...brownish through microscope view (Figure 4(C)). Pyrite crystals, mostly in idiomorphic cubic forms, are...micro- and meso-quartz (SiO2 > 95%), with minor pyrite crystals (Figure 5(C)). Phosphatic components are |  | | Journal (article/letter/editorial) | | Hina Monowai Brothers 30° Calypso 30° 0° 30° Hook Ridge 60° 60° 120° 150° 180° 150° 120° 60° ...were also found in island arcs, mostly in the western Pacific Ocean (Fig. 1). In comparing the importance...seamounts (as at Axial Seamount in the Juan de Fuca Ridge and 13° N Seamount in EPR) and Loihi subma rine...most widely spread sulfides of ore metals, such as pyrite, chalcopyrite, sphalerite, and marcasite. At the...Hine Hina field, δ34S was from –7.7 to –2.8‰ for pyrite and from –4.8 to –2.4‰ for native sulfur). All |  | Dekov, Vesselin M., Rouxel, Olivier, Kouzmanov, Kalin, Bindi, Luca, Asael, Dan, Fouquet, Yves, Etoubleau, Joël, Burgaud, Gaëtan, Wälle, Markus (2016) Enargite-luzonite hydrothermal vents in Manus Back-Arc Basin: submarine analogues of high-sulfidation epithermal mineralization. Chemical Geology, 438. 36-57 doi:10.1016/j.chemgeo.2016.05.021 | Journal (article/letter/editorial) | | dacitic host rocks; major enargite-luzonite and minor pyrite, barite and S0; δ34S<0‰. Therefore, they may be...spreading in the Manus Basin occurs at three successive ridge segment offsets by 3 ACCEPTED MANUSCRIPT the Willaumez...(LA-ICP-MS) analyses of enargite, luzonite and pyrite/marcasite were conducted using a 193 nm ArF Excimer...standard for enargite and luzonite and Fe content for pyrite/marcasite. The bulk mineralogical composition of...covellite, barite, tetrahedrite-tennantite and pyrite (Table 1). The luzonite, which mostly composed |  | 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) | | Semenov-2 Hydrothermal Field, 13°31.13'N, Mid-Atlantic Ridge: A Case of Magmatic Contribution?* Irina Yu. Melekestseva...Semenov-2 hydrothermal field on the Mid-Atlantic Ridge is host to a rather unique Cu-Zn– rich massive sulfide...studied are similar to those of the Mid-Atlantic Ridge ultramafic-hosted Cu-Zn–rich massive sulfides, such...2005) and by ultramafic rocks of the Mid-Atlantic Ridge (e.g., Logatchev-1 field, up to 56 ppm Au and 265...the Snake Pit hydrothermal field, Mid-Atlantic Ridge (Fouquet et al., 1993b). Ancient massive sulfide |  | 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) | | deposits are primarily controlled by the abundance of pyrite/marcasite/pyrrhotite for Fe, chalcopyrite/isoc...sample sites are located along the Mid-Atlantic Ridge (Trans-Atlantic Geotraverse (TAG), Logatchev and...ASHES, located at Axial Volcano on the Juan de Fuca Ridge, 16◦ 43’S hydrothermal field along the South East...de Fuca Ridge and those from a young vent field at 16◦ 43’S at the ultra-fast spreading ridge of the East...Mid-Atlantic Ridge (26◦ 08’N, 44◦ 49’W) 3650 Mature, sediment starved spreading ridge Turtle Pits |  | | Journal (article/letter/editorial) | | Southern Ocean, off the South African coast towards Antarctica. During the Bonus GoodHope cruise in 2008, seawater...the missing “Argoland” which have separated from Western Australia in the Late Jurassic and collided to...with very different proportions of pyrite from the Iberian Pyrite Belt (SW Spain) have been exposed to...pollutant elements. For instance, the existence of pyrite amounts larger than 80% in the vadose zone of one...accumulation site in the Atlantic sector of East Antarctica. In the lower 300 m the ice core climate records |  | | Book | | Exploration Institute (DOEI), and was a Chair of the Ridge 2000 Program, a NSF-funded national program studying...hydrothermal processes along the global mid-ocean ridge, using a variety of surface and deep-towed sonar...Earth – the global Mid-Ocean Ridge. My own introduction to the Mid-Ocean Ridge began with the FAMOUS Expedition...Expedition to the Mid-Atlantic Ridge in 1974, and this beautifully illustrated and comprehensive account...Trollveggen (Troll Wall) Field, Mohns Ridge 4.2.3 Soria Moria Field, Mohns Ridge 4.2.4 Lokeslottet (Loki’s Castle) |
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