| | Journal (article/letter/editorial) | Sea-Floor Hydrothermal Fields on the Mid-Atlantic Ridge OLIVIER ROUXEL,†,* CRPG-CNRS, 15 Rue Notre Dame...IFREMER-DRO/GM, BP70, 29280 Plouzané, France AND JOHN N. LUDDEN CRPG-CNRS, 15 Rue Notre Dame des Pauvres...Mid-Atlantic Ridge. The hydrothermal systems studied include the Lucky Strike field at 37°17'N on a basaltic...sulfides from black smoker chimneys at the East Pacific Rise, confirming that copper isotope systematics...have growth histories which are often extremely complex, involving multiple stages of mineral precipitation | | | Journal (article/letter/editorial) | 363 [6] Hot spring deposits on the East Pacific Rise at 21 °N" preliminary description of mineralogy...inactive vent sites along the East Pacific Rise at 21°N during the RISE expedition of April, 1979. The...Hottest chimneys contain massive chalcopyrite_+bornite in their interior zones and belch fluids blackened...is found in sediments on the crest of the East Pacific Rise. Other accessory phases identified include...r o t h e r m a l heat a n d mass exchanges between convecting seawater a n d cooling oceanic crust at | | Wang, Yan, Wu, Zhongwei, Sun, Xiaoming, Deng, Xiguang, Guan, Yao, Xu, Li, Huang, Yi, Cao, Kaijun (2018) He–Ar–S Isotopic Compositions of Polymetallic Sulphides from Hydrothermal Vent Fields along the Ultraslow-Spreading Southwest Indian Ridge and Their Geological Implications. Minerals, 8 (11) 512 doi:10.3390/min8110512 | Journal (article/letter/editorial) | along the Ultraslow-Spreading Southwest Indian Ridge and Their Geological Implications Yan Wang 1,2,†...along the ultraslow-spreading Southwest Indian Ridge (SWIR). The helium, argon, and sulphur isotope compositions...number of active/inactive vent fields in the Indian Ocean. The helium concentrations and isotopic ratios in...massive sulphides from the fast-spreading East Pacific Rise (EPR), especially for three Cu–Fe-rich samples...compared to the EPR ore samples. Moreover, the majority of sulphide minerals from the Indian Ocean have much | | Breier, J.A., Toner, B.M., Fakra, S.C., Marcus, M.A., White, S.N., Thurnherr, A.M., German, C.R. (2012) Sulfur, sulfides, oxides and organic matter aggregated in submarine hydrothermal plumes at 9°50′N East Pacific Rise. Geochimica et Cosmochimica Acta, 88. 216-236 doi:10.1016/j.gca.2012.04.003 | Journal (article/letter/editorial) | in submarine hydrothermal plumes at 9°500N East Pacific Rise J.A. Breier a,⇑, B.M. Toner b, S.C. Fakra...sequester seawater trace elements and influence ocean-scale biogeochemical budgets. The relative importance...hydrothermal plume by in situ filtration at 9°500 N East Pacific Rise during a 3-day, 24 sample, time-series. Twenty-three...major mineral forming elements (Fe, Mn, S) was complex. Over 20 different minerals were observed, nine...understanding the net effect of hydrothermal fluxes on ocean and sedimentary trace element budgets. Ó 2012 Elsevier | | Fowler, Andrew P.G., Zierenberg, Robert A., Reed, Mark H., Palandri, James, Óskarsson, Finnbogi, Gunnarsson, Ingvi (2019) Rare earth element systematics in boiled fluids from basalt-hosted geothermal systems. Geochimica et Cosmochimica Acta, 244. 129-154 doi:10.1016/j.gca.2018.10.001 | Journal (article/letter/editorial) | submarine hydrothermal systems. The REEN (subscript N is used to denote the CI chondrite normalized concentration...REE in hydrothermal fluids varies according to a complex interplay of physical factors such and temperature...hydrothermal vents from Middle Valley on the Juan de Fuca Ridge that boiled in the subsurface prior to venting...subaerial continuation of the submarine Mid-Atlantic Ridge (Figure 1). The peninsula hosts an en-echelon arrangement... The Puna geothermal area is located within the East Rift Zone (ERZ) of Kilauea volcano, Hawaii (Figure | | | Journal (article/letter/editorial) | the Lucky Strike hydrothermal field, Mid-Atlantic Ridge: Evidence from sulfur, selenium, and iron isotopes...isotopes OLIVIER ROUXEL,1,* YVES FOUQUET,2 and JOHN N. LUDDEN1 1 CRPG-CNRS, 15 rue Notre Dame des Pauvres...1993) and at seafloor hydrothermal vents at mid ocean ridges (Delaney et al., 1998) and the associated...ac.uk). 2295 2296 O. Rouxel, Y. Fouquet, and J. N. Ludden tiple-collector inductively coupled plasma...hydrothermal field on the Mid-Atlantic Ridge (MAR) at 37°17⬘N was discovered in 1992 during dredging | | | 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...Director of WHOI’s Deep Ocean Exploration Institute (DOEI), and was a Chair of the Ridge 2000 Program, a NSF-funded...NSF-funded national program studying mid-ocean ridges. Dr. Fornari is the author or co-author of over | | | Journal (article/letter/editorial) | and fahlore are the major ore minerals; galena, bornite, and hematite are of subordinate abundance. Sulfide...was short-lived and its functioning did not give rise to the formation of zonal orebodies. Magmatic fluid...northeast; the village of Karagaika, 12 km to the east; and the towns of Uchaly and Verkhneural’sk, located...spreading). A ridge of volcanic edifices reconstructed in the zone occupied by a basalt– rhyolite complex consists...Chelyabinsk y Bela Kid ysh Ur a lR . 55° R. n sta h ak z Ka 50° 60° 65° 0 1 2 3 4 ‡ | | | Journal (article/letter/editorial) | environments M. Lafitte and R. Maury Laboratoire de Min&alogie expbrimentale et appliqu&, Universitb...was first m e n t i o n e d after the classical analyses m a d e b y D o e l t e r [1] a n d Smith [2]...s e r v e d c o m p o s i t i o n s were later challenged [3,4] a n d a t t r i b u t e d to analytical...analyses allow c o n s i d e r a t i o n of the p r o b l e m . However, the limited n u m b e r of analytical...analytical d a t a c o m m o n l y p r e v e n t e d general conclusions to be drawn. Recent studies [5-7] | | | Book | PETROLOGY OF THE OCEAN FLOOR FURTHER TITLESIN THISSERIES 1 J.L. MERO THE M I N E R A L RESOURCES OF...METHOD I N OCEANOGRAPHY 3 E.J.F. WOOD MICROBIOLOGY O F OCEANS A N D ESTUAR IES 4 G _ . NEUMANN OCEAN CURRENTS...GEOMAGNETISM I N M A R I N E GEOLOGY 7 W.J. WALLACE THE DEVELOPMENTS OF THE CHLORINITY/SALINITY CONCEPT I N OCEANOGRAPHY...l S l T Z l N SEA-LEVEL CHANGES 9 R.H.PARKER THE STUDY OF BENTHIC COMMUNITIES 10 J.C.J. N I H O U L (Editor)...A Y E V TEMPERATURE-SALINITY ANALYSIS OF WORLD OCEAN WATERS 12 E.J. FERGUSON WOOD and R.E. JOHANNES TROPICAL | | | Report (issue) | tectonics—Addresses, essays, lectures. 2. Geology—Pacific Ocean—Addresses, essays, lectures. 3. Geology—Andes—Addresses...Kulm Divergent Boundary Tectonics of the Nazca-Pacific divergent plate boundary. David K. Rea Structure...Metalliferous-sediment deposition in time and space: East Pacific Rise and Bauer Basin, northern Nazca plate. 175...La Verne D. Kulm 545 Structures of the Nazca Ridge and continental shelf and slope of southern Peru...earlier scientific Memoir, The Geophysics of the Pacific Ocean Basin and Its Margin (American Geophysical Union | | | Journal (article/letter/editorial) | Sulfur in peridotites and gabbros at Lost City (30°N, MAR): Implications for hydrothermal alteration and...southern face of the Atlantis Massif (Mid-Atlantic Ridge, 30°N) were examined to better understand serpentinization...hydrothermal sites located between 10° and 40°N along the Mid-Atlantic Ridge (MAR), Rainbow, Logatchev, Ashadze...address: Laboratoire de Géosciences Marines, Institut de Physique du Globe de Paris, 4 place Jussieu...aging processes and global geochemical fluxes in ridge and subduction zone environments. In addition, the | | Mozgova, N. N., Borodaev, Yu. S., Gablina, I. F., Cherkashev, G. A., Stepanova, T. V. (2005) Mineral Assemblages as Indicators of the Maturity of Oceanic Hydrothermal Sulfide Mounds. Lithology and Mineral Resources, 40 (4) 293-319 doi:10.1007/s10987-005-0030-z | Journal (article/letter/editorial) | Maturity of Oceanic Hydrothermal Sulfide Mounds N. N. Mozgova1, Yu. S. Borodaev2, I. F. Gablina3, G....Institute of Geology and Mineral Resources of the World Ocean (VNIIOkeanologiya), Angliiskii pr. 1, St. Petersburg...contrast exsolution structures of isocubanite and bornite. In the Logatchev-2 field, sphalerite–chalcopyrite...field. Phases A and B are formed in the orange bornite domain at low-temperature alteration of chalcopyrite...discovered in the internal rift of the Mid-Atlantic Ridge in the latest ten years (Fig. 1), have received | | | Book | 4 Ridge Crest Magma Chambers: A Review of Results from Marine Seismic Experiments at the East Pacific...Pacific Rise Detrick, R.S. 7 Accommodation Zones and Transfer Faults: Integral Components of Mid-Atlantic...Mid-Atlantic Ridge Extensional Systems Karson, I.A. Rooting of the Sheeted Dike Complex in the Oman Ophiolite...to Decipher Successive Magmatic Events Reuber, 1. 21 39 55 83 B) Mantle 105 The Upward Migration...Regeneration Processes in Upper Mantle of Continental and Ocean Rift Zones Dobretsov, N.L. and Ashchepkov, I.V. | | | Book | consider internal communications. Within our complex industry secrecy and competition sometimes dictates...baseline designated 10 000 m E aligned N—S. The traverse line at 11 800 m N intersects the approximate centre...the surface expression of the body, which plunges east at about 30°, roughly conformable with enclosing...terrain of the Nanambu Complex. The Cahill Formation here dips at about 30° to the east. The Carpentarian...is from 20 to 90 m below the surface. The 11 800 m N traverse crosses the whole of the local Orebody stratigraphy | | | Book (edition) | Phreatoplinian Eruptions 321 B. F. Houghton, C. J. N. Wilson, R. T. Smith, and J. S. Gilbert 513 C ONTENTS...Colin J. N. Wilson and Bruce F. Houghton Pyroclastic Fall Deposits B. F. Houghton, C. J. N. Wilson,...Deposits P A R T V I 581 A. Freundt, C. J. N. Wilson, and S. N. Carey Lahars Volcanic Interactions Volcanic...643 Deep Ocean Hydrothermal Vents 857 David A. Butterfield 663 Jon Davidson and Shan De Silva Scoria...Crises Management Peter J. Baxter 1199 Servando De La Crùz-Reyna, Roberto Meli P., and Roberto Quaas | | | Report (volume) | catalyzing the reactions leading to assembling of the complex molecules needed for life on Earth (see, for example...“cations” and “anions,” and on Pearson’s valence rule, Σ/N = 8, where Σ = ne−ba−bc In this expression, ne is...compounds, ne/N < 8, in normal-valence compounds, ne/N = 8, and in polycationic compounds, ne/N > 8. As, Sb...similarity Definition of isotypy and homeotypy (Lima-de-Faria et al. 1990) is the most important point in...1974) and cyclic twinning (Hyde et al. 1974). For complex sulfides, noncommensurability between adjacent | | | Report (volume) | environments mineral assemblages are extremely complex, with more than I O species common in many cm-size...Uranium Mineralogy and the Geologic Disposal of Spent N~clear Fuel David Wronkiewicz & Edgar Buck Spectroscopic.................. .. .............. 283 Breccia-complex uranium deposits ................................cancer. Powerful radiation sources, such as 60 Co, Van de Graaff generators, betatrons, linear accelerators...radiation therapy, and man-made radionuclides, such as 9!>n>yc, are used in medical imaging, diagnosis and treatment |
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