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Location And Delineation Of Sea Floor Polymetallic Sulphide Deposits Using The Induced Polarization MethodBy W. H. Pelton
Polymetallic sulphide (PMS) deposits have recently been discovered associated with hydrothermal vents on the sea floor off Vancouver Island, B.C. Visual estimates indicate reserves in excess of 1 mill
Jan 1, 1985
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Deep-sea Mineral Potential of the South Pacific WatersBy Nobuyuki Okamoto, Bhaskar Rao
For a period of twenty years - from 1985 to 2005 - the Japan Oil, Gas and Metals National Corporation (JOGMEC) and Pacific Islands Applied Geoscience Commission (SOPAC) have jointly conducted surveys
Oct 15, 2007
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Marine Survey Methodology Of The Surficial Geology And Morphology Of Northwestern Graham IslandBy Brian D. Bornhold
A comprehensive multi-disciplinary marine geological survey of northwestern Graham Island, Queen Charlotte Islands, British Columbia, Canada was conducted by Offshore Survey and Positioning Services L
Jan 1, 1985
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Mineralogy and the Incorporation Mechanism of Economic Relevant Metals Such As Ni, Cu, Co and Mo of Mn-Nodules from the German License Area within the Clarion-Clipperton ZoneBy Thomas Kuhn, Anna Wegorzewski
"INTRODUCTIONPolymetallic nodules from the Clarion and Clipperton Zone (CCZ) within the equatorial NE Pacific Ocean show high concentration of economic important strategic metals such as Ni, Cu, Co, M
Jan 1, 2017
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The Coming Copper Crisis: An Important Role For Deep-Sea Mineral Resources In Fulfilling Japan?s DemandBy Tetsuo Yamazaki
Manganese nodules, seafloor massive sulfides, and cobalt-rich manganese crusts in deep-sea areas have been considered as future metal sources (Mero, 1965; Halbach, 1982; Lenoble, 2000). Manganese nod
Jan 1, 2005
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Ecosystem Modeling For Impact Assessment Of Possible Methane Leakage During Methane Hydrate UtilizationBy Tetsuo Yamazaki
Natural methane hydrate has been scientifically studied as a carbon reservoir globally. However, in Japan, the potential for energy resource has been industrially highlighted. There is less domestic
Jan 1, 2005
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Genetic Relationship Between Ultramafic/Mafic-Hosted Massive Sulfides And Their Host Rocks At The Logatchev Hydrothermal Field At 14°45?N (MAR) Using PGE Geochemistry And Os IsotopesBy T. Kuhn
The Logatchev hydrothermal field is situated on the east inner flank of the rift valley of the MAR at 14°45?N and is hosted by serpentinized peridotites and minor gabbronorites while basalts are subor
Jan 1, 2004
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Environmental Risk Studies In The Deep Sea Need International CooperationBy Hjalmar Thiel
Since industry is progressing into the deep sea, marine scientists have expressed their concern about environmental disturbances which will be introduced by using the deep seafloor for mining metallif
Jan 1, 1994
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Temporal Variation Of Environmental Characteristics By Changing Water Column Structure In The Northeast EquatorialBy Seung-Kyu Son
Environmental properties of the northeast Equatorial Pacific along 131.5 degrees west, between 5 degrees and 13 degrees north latitude, were investigated in association with changes in water column st
Jan 1, 2001
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Effective Exploitation Of Some Mineral Deposits Along The Continental Margin Of Kerala, IndiaBy S. Rajendran
Much advance has been made in offshore hydrocarbon exploration and exploitation in India. But the same amount of success could not be achieved in the case of other offshore minerals which are amenable
Jan 1, 1993
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Impact Estimation Of Methane Hydrate Utilization On Atmospheric Carbon Emissions By Using Mass Balance Eco-ModelBy Tetsuo Yamazaki
Natural methane hydrate has been scientifically studied as a global carbon reservoir. However, in Japan, it?s potential as an energy resource has been industrially highlighted, because there are few
Jan 1, 2004
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The Marine Minerals Technology CenterBy J. Robert Woolsey
The Marine Minerals Technology Center (MMTC) was established by Congress in FY 1988 as part of the Mineral Institutes Program, administered by the U.S. Bureau of Mines under the auspices of the Depart
Jan 1, 1988
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New Directions In The Marine Minerals Program At The U.S. Minerals Management ServiceBy LeRon E. Bielak
The marine minerals program of the Minerals Management Service (MMSI has undergone significant changes during 1991. Formerly the Office of Strategic and International Minerals, the program has been re
Jan 1, 1991
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Extraction Of Valuable Trace Metals From Ferromanganese Nodules And Crusts With Different Chemical Leaching Agents - IntroductionBy Andrea Koschinsky
Recent technological breakthroughs in the fields of ceramics, medicine, aerospace engineering and electronics (semi- and superconductors) are constantly creating new uses and an ongoing increasing dem
Jan 1, 2011
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Seafloor Occurrence And Growth Stages Of KODOS Ferromanganese NodulesThe seafloor occurrences of KODOS ferromanganese nodules can be classified into four facies based on the morphological types of nodules recovered and seafloor photographs. Facies A, B, and C are relat
Jan 1, 2005
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Do Natural Changes Mask Artificial Impacts on Benthic Ecosystem Over a Period of Time?By B. S. Ingole, S. Jai Sankar, A. B. Valsangkar, R. Sharma, B. Nagender Nath, N. H. Khadge, P. A. Loka Bharathi
After the simulated ‘mining’ experiment (INDEX) in the Central Indian Ocean (in 1997); the restoration of benthic environment was monitored for 4 years (2001-2005) at 5 locations in and around the tes
Oct 15, 2007
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Marine Aggregates In North West Europe ? Demand And SupplyBy Graham Singleton
Around 235 million tonnes of marine aggregates have been dredged in the last decade from the UK continental shelf alone. The current distribution of marine aggregate production licence areas in No
Jan 1, 2004
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Shelf Zone Of Marginal Seas Of The Pacific Ore Belt (Russian Federation): Perspectives Of Search And Operation For Hard-Rock Useful MineralsBy L. B. Khershberg
Marginal seas of the Russian Far East constitute the northwestern segment of the Pacific underwater belt distinguished by distinct metallogenic specialization of shelf-extended ore-bearing magmatic co
Jan 1, 2004
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The Features Of China's Pioneer Area And The Strategy Of COMRABy Cheng Xiangzhou
The China's Pioneer area includes two parts. The topography in the western part is very different from that in the eastern one. The distribution of the manganese nodules in these two regions diff
Jan 1, 1996
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Possibilities For Commercial Minerals In The Irish Offshore AreaBy M. Geoghegan
Under the provisions of the U.N. Law of the Sea Convention Ireland is likely to have mineral rights to an area of continental shelf some six times its present land area. Apart from the major potential
Jan 1, 1988