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  • IMMS
    Location And Delineation Of Sea Floor Polymetallic Sulphide Deposits Using The Induced Polarization Method

    By 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

  • IMMS
    Deep-sea Mineral Potential of the South Pacific Waters

    By 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

  • IMMS
    Marine Survey Methodology Of The Surficial Geology And Morphology Of Northwestern Graham Island

    By 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

  • IMMS
    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 Zone

    By 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

  • IMMS
    The Coming Copper Crisis: An Important Role For Deep-Sea Mineral Resources In Fulfilling Japan?s Demand

    By 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

  • IMMS
    Ecosystem Modeling For Impact Assessment Of Possible Methane Leakage During Methane Hydrate Utilization

    By 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

  • IMMS
    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 Isotopes

    By 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

  • IMMS
    Environmental Risk Studies In The Deep Sea Need International Cooperation

    By 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

  • IMMS
    Temporal Variation Of Environmental Characteristics By Changing Water Column Structure In The Northeast Equatorial

    By 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

  • IMMS
    Effective Exploitation Of Some Mineral Deposits Along The Continental Margin Of Kerala, India

    By 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

  • IMMS
    Impact Estimation Of Methane Hydrate Utilization On Atmospheric Carbon Emissions By Using Mass Balance Eco-Model

    By 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

  • IMMS
    The Marine Minerals Technology Center

    By 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

  • IMMS
    New Directions In The Marine Minerals Program At The U.S. Minerals Management Service

    By 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

  • IMMS
    Extraction Of Valuable Trace Metals From Ferromanganese Nodules And Crusts With Different Chemical Leaching Agents - Introduction

    By 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

  • IMMS
    Seafloor Occurrence And Growth Stages Of KODOS Ferromanganese Nodules

    The 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

  • IMMS
    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

  • IMMS
    Marine Aggregates In North West Europe ? Demand And Supply

    By 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

  • IMMS
    Shelf Zone Of Marginal Seas Of The Pacific Ore Belt (Russian Federation): Perspectives Of Search And Operation For Hard-Rock Useful Minerals

    By 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

  • IMMS
    The Features Of China's Pioneer Area And The Strategy Of COMRA

    By 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

  • IMMS
    Possibilities For Commercial Minerals In The Irish Offshore Area

    By 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