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  • IMMS
    Environmental Impact Research For Deep Seabed Mineral Resources Development By The Metal Mining Agency Of Japan

    By Natsumi Kamiya

    The Metal Mining Agency of Japan (MMAJ) has started the project in the fiscal year of 1989 under the administration of the Ministry of International Trade and Industry '(MITI). The purpose of thi

    Jan 1, 1993

  • IMMS
    Devonian Fe-Mn Nodules of the Ural Paleoocean - Introduction

    By N. R. Ayupova

    Several metallogenic zones including Sakmara, Magnitogorsk, and East-Ural zones were revealed in the Ural fold belt (Fig. 1). These zones are considered to be the paleogeodinamic sectors corresponding

    Jan 1, 2010

  • IMMS
    Remote Drilling Technology

    By Patrick J. C. Ryall

    Remotely control led drills capable of being lowered to the sea-floor from ordinary research vessels have been developed over the past two decades. These drills are currently being used in geological

    Jan 1, 1985

  • IMMS
    A Developing Country?s Challenges in Permitting / Regulating Underwater Mining ? PNG Experience

    By Jerry Hanua Naime

    Papua New Guinea has permitted its first underwater mine. Nautilus Minerals (PNG) Limited is the company permitted to operate the Solwara 1 project. The project is located 30km off the nearest islan

    Jan 1, 2010

  • IMMS
    Regional Assessments And Geological Studies Of Hard Mineral Resources On U.S. Continental Shelves

    By S. Jeffress Williams

    The U.S. Geological Survey (USGS), over the past three decades, has carried out a spectrum of geologic surveys and research in marine areas of the Exclusive Economic Zone (EEZ) around the U.S. and its

    Jan 1, 1992

  • 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
    Relationships between Variations in Internal Textures and Sedimentary History of Fe-Mn Nodules from Campbell Plateau

    By S. W. Chang, James R. Hein, S-R. Lee, A. Zondervan, H. Choi

    "Nine Fe-Mn nodules from the extensive nodule field in the east of Campbell Plateau of southwest Pacific Ocean beneath the Deep Western Boundary Current (DWBC) and Antarctic Circumpolar Current (ACC)

    Jan 1, 2017

  • IMMS
    Hydrothermal Exploration along the Northern Central Indian Ridge, 8°-12° S: Preliminary Results of Bathymetry, Volcanic Rock, and Hydrothermal Plume

    By Jonguk Kim

    Hydrothermal exploration aboard the R/V Onnuri was performed along the northern Central Indian Ridge (CIR) between 8°S and 12°S in January 2010. The main objectives of this first Korean research cruis

    Jan 1, 2010

  • IMMS
    Modeling of Methane Plume Behavior in a Water Column

    By Daisuke Monoe, Kisaburo Nakata, Rika Takeuchi, Tetsuo Yamazaki, Tomoaki Oomi, Tomohiko Fukushima

    There are generally two methane passes in conjunction with the seafloor natural cold seepages, as is schematically shown in Fig. 1. The first pass consists of the coupled anaerobic oxidation of methan

    Sep 24, 2006

  • IMMS
    Exploring The Third Dimension Of An Active Seafloor Hydrothermal System Hosted By Felsic Volcanic Rocks: ODP Leg 193 At PACMANUS, Papua New Guinea

    By Raymond A. Binns

    In this first sub-seafloor examination of an active hydrothermal system hosted by felsic volcanic rocks at a convergent plate margin, we drilled 13 holes altogether, achieving deep cored penetrations

    Jan 1, 2002

  • IMMS
    Field Tests Of The Percussion-Waterlift And Vibracore/Vibralift Convertible Drill Systems

    By Walter L. O?Niell

    The Continental Shelf Division of the Marine Minerals Technology Center has recently completed field tests of the percussion- waterlift drill and the vibracore/vibralift convertible drill. The two sys

    Jan 1, 1991

  • IMMS
    Integrated Ship, Submersible, ROV And Ocean-Bottom Observatory Design For Ocean Mineral Studies At The University Of Hawaii

    By Alexander Malahoff

    A shipboard research system capable of operating in waters of up to 2,000 m has been designed and implemented by the Hawaii Undersea Research Laboratory (HURL), University of Hawaii. It uses a remotel

    Jan 1, 1992

  • IMMS
    Determination of Noble and Rare Metals in Underwater Ferromanganese Ores with the Use of Atomic Spectrometry Methods

    By I. V. Kubrakova, O. A. Tyutyunnik, M. L. Getsina, A. M. Asavin

    An analysis of noble metals (NM) in natural samples is most problematic. Determination of their traces in geochemical samples, in part, for the purpose of deposit evaluation, is a difficult analytica

  • 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
    Simulation And Calculation Of System Hydraulic Lifting Of Mineral Coarse Solid Particles From Seabed To The Water Surface

    By V. Alexandrov

    This paper presents the results of theoretical investigations of the energy requirements of the hydraulic lifting of mined materials from the seabed to the sea surface in the deep-sea mining of solid

    Jan 1, 2005

  • IMMS
    Sustainability Aspects in Deep-Seabed Mining of Polymetallic Nodules

    By Ning Yang, Sup Hong

    INTRODUCTION Metal components contained in deep-seabed mineral resources are being highlighted as “energy metals”, which are widely utilized in the entire fields of energy: harvesting and generation,

    Jan 1, 2018

  • IMMS
    Marine Minerals And Paleoceanography

    By Robert M. Owen

    The reconstruction of ocean history has been a major focus of marine research over the past decade. A significant outcome of these investigations is the recognition that certain types of marine minera

    Jan 1, 1995

  • IMMS
    Particle Geochemistry at Hydrothermal Vents and Implications for Mining Seafloor Massive Sulfides

    By Amy Gartman

    "Seafloor hydrothermal systems result in the emission of abundant particles and nanoparticles into seawater1. Many of the elements in these particles settle locally, although some are transported dist

    Jan 1, 2017

  • IMMS
    The Application Of Modern Sea Floor Studies To A Precambrian Greenstone-Hosted Gold-Silver-Barite Deposit, Brazil

    By N. J. Poll

    The Zacarias gold-silver-barite deposit appears to be a Precambrian analogue of present-day exhalative deposits on the sea floor. Geochemical, stratigraphic and structural studies of the latter can be

    Jan 1, 1993

  • IMMS
    Some Questions Of The AUV Control In Surveying The Seamounts

    By Mikhail D. Ageev

    The paper concerns with some questions of Autonomous Underwater Vehicle (AUV) control system design, which allows a motion at rough undersea terrain. The AUV advantages reveal itself completely du

    Jan 1, 2003