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  • IMMS
    Environmental Studies Of A Manganese Nodule Field In The Peru Basin (Southeast Pacific)

    By Ulrich Von Stackelber

    Deep sea mining of manganese nodules actually will have an environmental impact to the seafloor and to the water column. However, we are far from being able to predict the possible consequences. There

    Jan 1, 1994

  • 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
    Trench Cutter Technique Applied For Off-Shore Sampling

    By Stephan K. Schwank

    In mid 1993, Bauer Spezialtiefbau GmbH, based in Germany got the order to develop a sampling tool capable of penetrating all different types of seabed sediments including cobbles and boulders and into

    Jan 1, 1998

  • 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
    Phosphorite On The Georgia Continental Shelf - A Potential World-Class Deposit

    By James R. Herring

    An unusual combination of ten new, deep (-100 m) coreholes and an extensive high-resolution seismic reflection network enables us to produce a detailed study of the phosphorite resources in the Tertia

    Jan 1, 1994

  • 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
    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
    Development of a Vertical Transport System: An Experimental Approach

    By Wiebe Boomsma

    INTRODUCTION Starting in February 2014, 19 partners from EU industry, research institutions and academia joined forces and formed the Blue Mining consortium. In the following four years, they have set

    Jan 1, 2018

  • IMMS
    How to Identify Extinct Seafloor Massive Sulphides by Using OBS Seismic Data – A Case Study from the Blue Mining Project at the TAG Hydrothermal Field

    By Mark Vardy, Kasia-Leigh Chidlow, Tim Minshull, Jeorg Bialas, Sven Peterson, Bramley Murton, Alba Gil

    Since the discovery of the first black smoker on the East Pacific Rise in 1977 (Francheteau, et al., 1979), the hydrothermal vents, now called seafloor massive sulphides (SMS) deposits, have generated

    Jan 1, 2017

  • IMMS
    The Strength Characteristics Of Deep Seabed Sediment

    By Ivo Dreiseitl

    The interaction between nodule harvester and eupelagic sediment on the seabed is definitely one of the key aspects of mining technology for polymetallic nodules which is to be studied in details. Phys

    Jan 1, 2011

  • 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
    Ferromanganese Crusts From The Kuril Basin And Kashevarov Trough Seamounts (Sea Of Okhotsk)

    By P. E. Mikhailk

    From July 29 to September 15, 2004, the 178th cruise of the R/V Sonne took place under the KOMEX program in the Sea of Okhotsk. One of the cruise objectives was to dredge two different kinds of seamou

    Jan 1, 2005

  • IMMS
    Heavy-Mineral Resources Offshore Of The Southeast Atlantic Coast

    By Andrew E. Grosz

    The United States is dependent on foreign imports for about 80 percent of its ilmenite, about 60 percent of its rutile, and virtually all of its monazite. Nearshore marine sand deposits and beach-comp

    Jan 1, 1986

  • IMMS
    The 300 Mt Windy Craggy Besshi-Type Massive Sulfide Deposit, Northwestern British Columbia, Canada: An Analog For Modern Seafloor Sulfide Deposits At Sedimented Settings?

    By Jan M. Peter

    The Early Norian Windy Craggy massive sulfide deposit is within the allochthonous Alexander terrane of the Insular tectonic belt in extreme northwestern British Columbia (Figure 1). Host rocks are the

    Jan 1, 1993

  • IMMS
    Use of Autonomous Technology for Mapping Seabed Minerals

    By Lars-Kristian Trellevik, Jan Arvid Ingulfsen

    Swire Seabed is dedicated to being at the forefront of the Autonomous Subsea Revolution. The company is currently working along and developing operational, technical and market strategies where autono

    Jan 1, 2018

  • IMMS
    Simple And Effective Sampling Methods For Marine Minerals Exploration

    By J. R. Woolsey

    The cost of an offshore exploration project is mainly dependent on the size of the vessel engaged for the work and increases dramatically with increasing size. Of the various factors influencing vesse

    Jan 1, 1986

  • 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 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
    Waste Rejection on Seafloor by Slurry Flashing for Economic Seafloor Massive Sulfide Mining

    By Yuta Yamamoto

    Seafloor massive sulfides (SMS) which contain Au, Ag, Cu, Zn, and Pb have been interested in as a target of commercial mining these 15 years. Japan has large potential of SMS and a national R&D projec

    Sep 14, 2011

  • IMMS
    Recent Developments In Offshore Diamond Mining In Southern Africa

    By Richard H. T. Garnett

    Diamonds were discovered on the coast of Namibia in 1907 but it was not until 1962 that the first gems were produced from offshore by a barge employing an airlift. Geophysical surveys and a sampling p

    Jan 1, 1992