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  • IMMS
    Latitudinal Changes In Fe-Mn Oxide Crust Chemistry: Detailed NW-SE Transect Of The Equatorial Pacific, Marshall Islands To Samoa

    By James R. Hein

    A new data set of cobalt-rich ferromanganese (Fe-Mn) crust chemistry has been completed for the first detailed sampling of a latitudinal crossing of the Pacific equatorial zone of high biological prod

    Jan 1, 2003

  • IMMS
    Sand Mining On U.S. Continental Shelves: Exploration And Exploitation For Shore Protection And Environmental Restoration - Introduction

    By Charles W. Finkl

    Coastal and marine aggregate (sand and gravel) mining on US continental shelves is a major activity that supplies industrial and commercial demands for these raw materials. Because Pacific, Atlantic,

    Jan 1, 2005

  • IMMS
    New Approaches To Mineral Exploration Off The Southwest Pacific Island Nations

    By D. S. Cronan

    Mineral exploration problems in the S.W. Pacific are not unique to that region, but a combination of favourable circumstances render it an ideal area to attempt to solve such problems. The land are

    Jan 1, 1985

  • IMMS
    Inferred Genesis Of Each Textural Zone In Ferromanganese Nodules From Campbell Drift SW Pacific ? Introduction

    By Se-Won Chang

    This is a part of the joint KIGAM-GNS-NIWA 3-year study of ferromanganese nodules on the Campbell Drift, east of Campbell Plateau to determine age distribution, growth rates and geochemical evolution

    Jan 1, 2003

  • IMMS
    An Integrated Approach To The Assessment Of Anthropogenic Disturbance At Marine Sand & Gravel Extraction Sites

    By D. S. Limpenny

    Marine benthic habitats are vulnerable to the influence of a wide range of anthropogenic activities (e.g. sand and gravel extraction, dredged material disposal and trawling). Traditionally, benthic e

    Jan 1, 2004

  • IMMS
    Geomicrobiology: A New Interdisciplinary Field Linking Microorganisms, Minerals And Rocks In Geothermal And Hydrothermal Systems

    By Alexander Malahoff

    Field observations and sampling of land-based and submarine hydrothermal and geothermal sites show a definite link between the geological setting, fluid geochemistry and specialized assemblages of mic

    Jan 1, 2004

  • IMMS
    Permeability and Fault Control on Seafloor Massive Sulfide Deposits in the Lucky Strike Hydrothermal Field (Mid-Atlantic Ridge) Using Leapfrog Geo Software

    By Dennis Sánchez Mora, John Jamieson

    INTRODUCTION Work by Humphris et al., (2002); Ondréas et al., (2009); Barreyre et al., (2012); and Escartín et al., (2015) has identified active and inactive hydrothermal sites along the Lucky Strike

    Jan 1, 2018

  • 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, 2011

  • IMMS
    A New Concept Of Easy Pre-Site Survey Method Of Deep Sea Hydrothermal Deposits

    By Shinichi Takagawa

    The deep sea hydrothermal deposits are one of the most prospecting resources, and various works to develop these mines are now underway. There are also various methods for the pre-site survey of th

    Jan 1, 2011

  • IMMS
    Sulfur And Lead Isotope Compositions Of Hydrothermal Chimneys From The North Fiji Basin: Implications For Formation Of Black And White Smokers

    By Jonguk Kim

    Hydrothermal sulfides were recovered from the16°50?S triple junction area in the North Fiji Basin, at a water depth of ca. 1900 m. The chimney samples can be divided into three groups according to the

    Jan 1, 2005

  • IMMS
    Magmatic Fluids In Seafloor Volcanic Rocks: An Enriched Metal Source For 'Giant' Ore Deposits?

    By Kaihui Yang

    Volcanogenic massive sulfide deposits are generally considered to have been formed by hydrothermal fluids that leach ore metals out of footwall rocks. However, the necessity for a metal-rich magmatic

    Jan 1, 2011

  • IMMS
    Resource/Reserve Estimation Of Marine Diamond Deposits

    By Luc Rombouts

    The resources and reserves calculation of marine diamond deposits should be based on a systematic sampling grid. The distribution of the sample grade results tends to be very skew and has a large vari

    Jan 1, 1998

  • IMMS
    Managing Deep Sea Tailings Placement And The Environment: An Analogue For Deep Sea Mining

    By Tracy Shimmield

    Deep sea tailings placement (DSTP) techniques have been pioneered in Papua New Guinea (PNG): a mining reliant economy in a seismically active region, facing major environmental challenges in the safe

    Sep 14, 2011

  • IMMS
    Optimization And Economic Efficiency Evaluation Of Manganese Nodule Carrier Using Genetic Algorithms

    By Jae-Hyung Park

    Since the Industrial Revolution, the land resources have been decreased rapidly as the industrialization. And this phenomenon brings to our mind an interest in deep-sea resource(manganese nodule). Hen

    Jan 1, 2003

  • IMMS
    A Multidisciplinary Field Study of Cobalt-Rich Crusts, Tropic Seamount, North-East Atlantic: Marine E-Tech

    By Mark Lee, Isobel Yeo, Sarah Howarth, Christian Millo, Javier González Sanz, Paul Lusty, Bramley Murton, Pierre Josso

    "Seafloor cobalt-rich ferromanganese crusts represent the most important yet least explored resource of ‘E-tech’ elements on the planet (Hein et al. 2003; ISA, 2008; Hein et al. 2010; Hein et al. 2013

    Jan 1, 2017

  • IMMS
    Evolution of Geotechnical Properties in Hydrothermal Sulfide Mounds, The Reveal of a Maturation Threshold - Introduction

    By Benoît Waquet

    In a context of scarce mineral resources, coupled with an increasing global demand in metals due to the exponential growth of newly industrialized countries, the mining industry will inevitably have t

    Jan 1, 2010

  • IMMS
    Mineral Processing of Cobalt-Rich Ferromanganese Crust and Nodules - Establishment of Treatment Flow for Removal of Substrate Rock

    By Naoki Hiroyoshi, Kunihiro Hori, Kengo Sekimura, Mayumi Ito, Kouki Kashiwaya, Eiji Yamaguchi, Masami Tsunekawa

    Cobalt-rich ferromanganese crusts and nodules ores from seamount areas contain volcanic and sedimentary rocks as substrate or nuclei. During the mining operation, these rocks should be separated as

  • 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
    Mineralogy and Chemistry of Ferromanganese Nodules in the Campbell Nodule Field

    By Hunsoo Choi, Sung Rock Lee, Ian J. Graham, Ian C. Wright

    This is a part of the joint KIGAM-GNS-NIWA 3-year study of ferromanganese modules in the Campbell Nodule Field, east of Campbell Plateau to determine age distribution, growth rates and geochemical evo

    Aug 24, 2006

  • IMMS
    Mineralisation Associated with Submarine Volcanoes of the Southern Kermadec Arc, New Zealand

    By Ian J. Graham, Cornel E. J. de Ronde

    New Zealand lies astride a convergent plate boundary that extends north-eastwards from the Taupo Volcanic Zone (TVZ) to Tonga. This boundary is marked by the Kermadec arc, c. 1200 km of which falls wi

    Aug 24, 2006