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  • IMMS
    The Benthic Impact Experiment (BIE): A Study Of Environmental Impacts Of Manganese-Nodule Mining On The Abyssal Seafloor

    By Dwight D. Trueblood

    The Benthic Impact Experiment (BIE) is designed to address the effects of sediment redeposition prior to the commencement of commercial mining. The experiment is being conducted in collaboration with

    Jan 1, 1992

  • IMMS
    Dating of Iron Oxide Crusts in the Study of Submarine Hydrothermal Events and Mineral Deposition ? Introduction

    By Robert G. Ditchburn

    The NW caldera hydrothermal vent field at Brothers volcano, of the Kermadec-Tonga arc, has associated massive sulfide mineralization. This includes an abundance of black smoker chimneys that contain s

    Jan 1, 2010

  • IMMS
    Melt Inclusions in Brothers Dacite Reveal Metal Transporting Mechanisms

    By Ian J. Graham

    Brothers volcano, in the southern Kermadec Arc, is host to two hydrothermal vent fields with very different geology, permeability, vent fluid compositions and mineralogy (see de Ronde et al. and Ditch

    Jan 1, 2010

  • IMMS
    Contribution Of Seafloor Research To Land-Based VMS Exploration

    By Gérald Riverin

    Over the past century, exploration methods for volcanogenic massive sulphide deposits have evolved in response to a decreasing number of discoveries made by traditional surface prospecting and by grou

    Jan 1, 1998

  • IMMS
    The Usage Of A New German Deep-Sea ROV (QUEST 5) And A Mobile Drilling System (BGS Rockdrill) For The Exploration Of Deep-Sea Mineral Deposits

    By Thomas Kuhn

    The detailed investigation of both active and inactive submarine hydrothermal systems has gained tremendous progress during the last decades because of the increasing usage of remotely operated vehicl

    Jan 1, 2003

  • IMMS
    Generic Mechanisms Affecting the Post-Formation Preservation of Seafloor Massive Sulphide Deposits: Preliminary Results from the TAG Field

    By Sven Petersen, Iain J. Stobbs, Bramley J. Murton, Paul A. J. Lusty

    "INTRODUCTIONIt is widely thought that seafloor massive sulphide (SMS) deposits, the modern analogue of volcanogenic massive sulphide (VMS) deposits, present a potential global resource for base (Cu,

    Jan 1, 2017

  • IMMS
    AUV-Based Long-Range Exploration For Hydrothermal Activity Between 13°-33°S Along The Southern Mid- Atlantic Ridge

    By Sven Petersen

    The southern Mid-Atlantic Ridge (SMAR) is one of the least-explored spreading centers in the world with respect to hydrothermal activity. In the past 8 years research focused mainly on the ridge segme

    Sep 14, 2011

  • IMMS
    Geology Of The Neves-Corvo High Grade CU-SN Orebodies, South Portugal

    By Fernando JAS Barriga

    The world-class Neves-Corvo deposits were intersected by drilling in 1977. They occur in the (Carboniferous) Iberian Pyrite Belt (IPB), Western Europe's largest stock of base metals (see Bamga, 1

    Jan 1, 1993

  • IMMS
    Fundamental Study Of UV-Fluorescence Sensing System For Seafloor Massive Sulfides ? Introduction

    By Tetsuo Yamazaki

    Seafloor massive sulfides (SMS) in the western Pacific have received much attention as resources for gold, silver, copper, zinc, and lead (Lenoble, 2000). Since the end of the 1980s, SMS have been fou

    Jan 1, 2011

  • IMMS
    Development of Offshore Mining and Dredging Technology

    By Henk van Muijen, Jan Willem de Wit

    1.1 Profile IHC Holland Merwede IHC Holland Merwede is world market leader in the construction of specialist dredging equipment and large-size custom-built offshore vessels. The clients of IHC Holla

  • IMMS
    Autonomous Robotic Sea-Floor Infrastructure for Bentho-Pelagic Monitoring (ARIM)

    By Olav Rune Godø

    We present a science-based infrastructure for continuous online monitoring of the ocean interior including benthic, pelagic and the demersal habitats. It will reduce expensive ship based monitoring co

    Jan 1, 2018

  • IMMS
    Energy Resource or Geologic Hazard? ? A Case Study on Gas Hydrates with Special Refernce to the Western Continental Margin of India

    By S. Rajendran

    Gas Hydrates (Methane Hydrates) are solid, ice ? like substances composed of water and natural gas. They occur naturally in areas of the world where methane and water can combine at appropriate condit

    Jan 1, 2010

  • IMMS
    Recent Developments; U.S. Atlantic Shelf Marine Mineral Surveys

    By Andrew E. Grosz

    The Atlantic Continental Shelf (ACS) of the United States includes about 391,000 km2 extending from the shoreline to the 200-m isobath. It varies in width from a fraction of a kilometer (offshore of s

    Jan 1, 1988

  • IMMS
    The Impact Of Research Into Underwater Mineral Deposits On Mining Company Exploration Strategies.

    By Burrows D. R.

    Metal-rich sediments precipitating from hot saline brine pools were first discovered in 1965 in the Red Sea.1-2 The subsequent discovery of high temperature black smokers and associated massive sulphi

    Jan 1, 2011

  • IMMS
    Conceptual Study Of Innovative Ecological Manganese Nodule Mining System ? Introduction

    By Tetsuo Yamazaki

    Manganese nodules on deep ocean floors have continuously received attention as potential sources for strategic metals such as Co, Ni, Cu, and Mn, due to their vast distribution and relatively higher m

    Jan 1, 2011

  • IMMS
    A Review Of Radiometric Dating Methods Used Inassessing Submarine Volcanic Arc-Related Mineraldeposits

    By Robert G. Ditchburn

    Msjflkcisokng During the past sixteen years, GNS Science has developed a number of radiometric methods for dating massive sulfide samples from submarine arc and back-arc volcanoes. This has improved o

    Sep 14, 2011

  • IMMS
    Metal Mobilization in Hydrothermal Sediments (84725873-4fd0-4e12-bde1-d84f8b2f15ba)

    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
    Controlled Source Electromagnetic Mapping of Massive Sulfide Deposits with an AUV

    By Matthew Kowalczyk, Steve Bloomer, Peter Kowalczyk

    "Mineral deposits found near seafloor hydrothermal venting are of great economic interest. Valuable metals such as gold, copper, zinc, and other polymetallic sulfides are found in appreciable grades i

    Jan 1, 2017

  • IMMS
    Ultra-Fast Segmentation And Quantification Of Polymetallic Nodule Coverage In High-Resolution Digital Images

    By T. Schoening

    The exploration of the seafloor regarding the abundances of poly-metallic nodules has received growing attention recently. Image-based exploration using cameraequipped deep-sea observation systems has

    Sep 14, 2011

  • IMMS
    Exploration For Ore-Concentrating Cobalt-Manganese Deposits In The Magellan Seamounts, Pacific Ocean

    By L. B. Khershberg

    According to geochemical specialization, cobalt-manganese crusts (CMC) of the Magellan Seamounts are rich in cobalt and manganese and are complex in composition. Besides cobalt, manganese, and nickel

    Jan 1, 2004