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  • IMMS
    Metal Mobilization in Hydrothermal Sediments

    By Sofia Martins, Anna Lichtschlag, Sven Petersen, Fernando Barriga, Bramley Murton, Adeline Dutrieux

    "Sediments in the vicinity of the hydrothermal seafloor massive sulphide (SMS) mounds are characterized by high concentration of metallic particles. They result from a long process of weathering of th

    Jan 1, 2017

  • IMMS
    Deep Sea Exploration New Technologies - History Of Bauer

    By Leonhard Weixler

    The Bauer company was founded in 1790 by coppersmith Sebastian Bauer in Schrobenhausen, a small town north-west of Munich. The original workshop business carried out works including repairs to church

    Jan 1, 2011

  • IMMS
    Observation And Sampling Of Seamount Ferromanganese Crusts With A Remotely Operated Vehicle (ROV): Advantages For Geochemical And Geological Characterization

    By Akira Usui

    The details in small-scale variability of the geological occurrence and chemical composition of ferromanganese crusts are not yet well understood, although the northwestern Pacific seamounts are belie

    Jan 1, 2011

  • IMMS
    Borehole Mining Of Manganese At Subzero Temperatures

    By Gregory Abramov

    Borehole Mining (BHM), a remotely-operated waterjet mining method (Figure 1), has recently achieved two major milestones. It was, for the first time, applied to the extraction of manganese ore and at

    Jan 1, 2011

  • IMMS
    Placer Deposits Of India With Special Reference To Sea Level Changes

    By S. Rajendran

    The area of the Exclusive Economic Zone (EEZ) of India is about 2.014 million km2 and the resource evaluation of placer deposits is one of the objectives of Government of India. Placers are detrital m

    Jan 1, 1998

  • IMMS
    New Exploration Guides For Volcanogenic Massive Sulfide Deposits: From Sea To Land

    By James M. Franklin

    Research on modern hydrothermal systems provides quantitative measures of the processes of formation of hydrothermal fluids and of precipitation mechanisms from them. Studies of ancient deposits provi

    Jan 1, 1998

  • IMMS
    Comparison Of The Tag Mound And Stockwork Complex With Cyprus-Type Massive Sulfide Deposits: Results From Leg 158 Drilling

    By Mark D. Hannington

    Drilling of the active Trans-Atlantic Geotraverse (TAG) deposit during ODP Leg 158 indicated that the size of the mound-stockwork complex is approximately 3.9 million tonnes, including 2.7 million ton

    Jan 1, 1998

  • IMMS
    Hydrothermal Processes And Metallogenesis. New Perspectives After Drilling On Tag (ODP Leg 158), Middle Valley (ODP Leg 169) And Recent Investigations On Slow Spreading Ridges

    By Yves Fouquet

    Results of the two main drilling operations on hydrothermal fields demonstrate that the two dimensional submersible operations need to be followed by drilling expeditions to study the third dimension

    Jan 1, 2011

  • IMMS
    The Recognition Of Paleo-Hydrothermal Plume Signals And Their Application In The Exploration For Concealed Volcanogenic Massive Pb-Zn-Cu Mineralization In The Bathurst Mining Camp, New Brunswick, Canada - Introduction And Background

    By Jan M. Peter

    Many massive sulfide deposits and districts around the World contain rocks that are variously referred to as ?exhalites?, banded iron formation (IF), ?Algoma-type? IF, ferruginous chert, jasper, jaspe

    Jan 1, 1998

  • IMMS
    CBM Stimulation by Borehole Mining: 10 Years After

    By Grigori Abramov

    Borehole Mining (BHM) is a remotely operated underground and underwater method of extracting (mining) mineral resources by high-pressure water jets. It can be carried-out from the land surface, open p

  • IMMS
    A Catastrophic Summit Collapse, Pit Crater Formation, High-Temperature Venting, And Mineral Formation Processes On L_ihi Submarine Volcano

    By Alexander Malahoff

    The summit of L_ihi submarine volcano changed dramatically after seismic activity beneath L_ihi during the month of August 1996. Bathymetric re-surveys of the L_ihi edifice using SeaBeam, Simrad and

    Jan 1, 1998

  • IMMS
    Terrestrial Mines In The Sea: Critical Factors In Commercialising Seafloor Massive Sulphide Deposits

    By Julian Malnic

    Transplanting the steps used in exploring and developing mineral deposits on land into the marine environment will help developers. While familiar to oil and gas explorers and many other sea-based ind

    Jan 1, 1998

  • IMMS
    Shallow-Marine Gold Mineralization In The Lihir Island Area, Papua New Guinea

    By Peter M. Herzig

    In 1994 and 1998 the German research vessel R/V Sonne undertook detailed mapping and sampling of the largely uncharted offshore areas of the Tabar-Lihir-Tanga-Feni island chain in the New Ireland Basi

    Jan 1, 1998

  • IMMS
    Exploration At Boliden-Westmin?s VMS Myra Falls Operations: A Successful Example Of A Continued Application Of Evolving Geological Models

    By Stephen J. Juras

    The Myra Falls deposits comprise a complexly metal-zoned polymetallic volcanogenic massive sulfide district located 90 km from Campbell River in central Vancouver Island, British Columbia, Canada. Th

    Jan 1, 1998

  • IMMS
    Strategic R&D Proposal for Deep-sea Mineral Resources

    By Tetsuo Yamazaki

    Metal market prices rose drastically in 2006, and most broke historical records as shown in Figs. 1-4. This increase has been basically driven by economic growth in Asian countries, especially China.

    Sep 24, 2006

  • IMMS
    The Eastern Manus Basin, Papua New Guinea: Modern Analogue Of A Mineralized Province With Lessons For Land-Based Exploration

    By Raymond A. Binns

    The Eastern Manus Basin (EMB) contains three major active hydrothermal zones and a number of smaller occurrences of hydrothermal deposits, and can be considered as a regional-scale modern analogue for

    Jan 1, 1998

  • 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
    The Effect of SMS Composition on Their Density Properties for Resources Estimation

    By Irina Dobretsova, Anna Sukhanova, Anatoly Kondratenko, Svetlana Babaeva, Sergey Andreev

    "With the acceptance of an application and a signed contract for prospecting deep-sea sulfides (2012) between the Russian Federation and the ISA, at present it is particularly important to assess the

    Jan 1, 2017

  • IMMS
    Spatial And Temporal Variability Of Physico-Chemical Parameter In The Northeast Equatorial Pacific Ocean

    By Seung-Kyu Son

    This study was investigated about physico-chemical parameter such as water temperature, salinity, inorganic nutrients and total organic carbon (TOC). CTD (Model: Sea-Bird 911 Plus) castings were carri

    Jan 1, 2005

  • IMMS
    Phase Composition of Gold from Massive Sulfides of the Semenov-2 Hydrothermal Field (13º31.13´N), Mid-Atlantic Ridge ? Introduction

    By I. Yu. Melekestseva

    The Semenov hydrothermal sulfide cluster (13º31´N), consisted of five fields (Semenov-1, -2, -3, -4, and -5), was discovered in 2007 in the 30th cruise of R/V Professor Logatchev [Beltenev et al., 200

    Jan 1, 2010