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  • 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
    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
    Geochemical Assessment of Heavy Metals in Nodule Mining Disturbance Sites: Implications for Standard Development and Monitoring

    By Andrea Koschinsky, Sophie Paul

    "INTRODUCTIONOnce again deep-sea mining has been receiving a lot of attention in recent years. Industrial and political advancements also call for environmental baseline studies and analyses to aid th

    Jan 1, 2017

  • IMMS
    Underwater Minerals Conference 2022 Abstract Booklet

    By NA UMC

    Abstract Booklet

    Dec 1, 2022

  • IMMS
    Challenges Associated With Suspended Sediment Concentration and Current Measurements for Deep Sea Mining Projects - Recent Experience from Marine E-Tech

    By Jeremy Spearman, Mark Lee, Jon Taylor, Neil Crossouard, Bramley Murton

    "SUMMARYThis paper describes challenges faced when executing a programme of monitoring to measure the dynamics of currents and sediment plumes at a seamount and the solutions identified to deliver the

    Jan 1, 2017

  • IMMS
    Formation Of Fe-Mn Crusts Under Conditions Of Strong Upwelling At A Continental Margin: Rodriguez Seamount, Offshore Central California

    By James R. Hein

    Rodriguez Seamount, located 150 km off the central California coast at the base of the continental slope, was studied using the ROV Tiburon aboard MBARI?s R/V Western Flyer, October 13-16, 2003. Fe-Mn

    Jan 1, 2004

  • IMMS
    A Geologic Survey Of The Near-Shore Regions Around White Island, New Zealand; Sidescan Imagery, Rock And Gas Samples From The 1995 MMTC-WIS Survey.

    By Gregory J. Kurras

    In 1995 the Marine Minerals Technology Center (MMTC) of the University of Hawaii conducted a sidescan sonar survey and sampling expedition of the submarine geology and hydrothermal systems surrounding

    Jan 1, 2011

  • IMMS
    Hydrothermal Activity and Mineralization in Submarine Volcanoes of the Tonga Arc, Western Pacific

    By Jonguk Kim

    Submarine hydrothermal activity and mineralization related to island arc volcanism along the Tonga arc were explored during two research cruises in October 2009 (KODOS 09H) and February 2010 (KODOS 10

    Jan 1, 2010

  • IMMS
    Kennecott?s Cuprion Process For Manganese Nodules

    By Gale L. Hubred

    Kennecott?s Ledgemont Laboratory developed the Cuprion Process to recover metal values from manganese nodules in the early 1970s. A reducing leach of monovalent cuprous ion attacks the manganese oxid

    Jan 1, 2005

  • IMMS
    The Characteristics of Plagioclase-Hosted Melt Inclusions from MORB in the Hydrothermal Anomaly Field, South Mid-Atlantic Ridge

    By Chuanshun Li, Haitao Zhang, Xuefa Shi, Quanshu Yan, Zhiwei Zhu

    In Expeditions 22 and 26 of China Ocean Survey (COS), Chinese and Russian scientists have Carried out a lot of work to search for hydrothermal sulfide in Southern Mid-Atlantic ridge (SMAR) 19°S, but c

    Jan 1, 2017

  • IMMS
    Design of Power Distribution System for Deep-Sea Mining: What are the Criteria and Challenges?

    By Elisabetta Tedeschi, Razieh Nejati Fard

    Deep-sea mining is in the future perspective of mining industry and it is currently in the technological development phase. The focus of this study is on the electrical power system that provides suff

    Jan 1, 2018

  • IMMS
    Ocean Mining And The Annual Offshore Technology Conference: An Opportunity For Cooperation

    By Eric J. Foell

    The Offshore Technology Conference (OTC) was founded in 1969 when a group of scientific and technical societies organized an annual conference and exhibition dedicated to technologies used in the offs

    Jan 1, 2005

  • 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
    Research on the Growth Characteristic of Co-rich Crusts from the Western Pacific

    By Jiahua Pan, Yanxiong Mei, Shuqin Liu, Rongfu Pei

    Growth characteristics of Co-rich crusts from the Western Pacific have been approached. The thick crust shows 3 structural layers: compact upper layer, porous middle layer, and compact lower layer.

  • IMMS
    MUM – Large Modifiable Underwater Mother Ship

    By Pia-Maria Haselberger, Marc Schiemann, Christian Frühling, Nicolas Richter, Hendrik Wehner, Andreas Kaschube

    "The paper provides the principle considerations for a novel vehicle class within the scope of the project Large Modifiable Underwater Mothership (MUM). The main idea for these ships is to create a hi

    Jan 1, 2017

  • 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
    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
    An Innovative Solution to a Common Problem: SAGRES Decision Support for Deep-Sea Mining and Maritime Spatial Planning Activities

    By Paulo Chaves, Márcia Gonçalves, João R. S. Carvalho, Fernando J. A. S. Barriga, Edgar Carrolo, Tiago Luna, Ricardo Rato, Anabela Bento

    INTRODUCTION For the last decades, deep-sea marine resources such as seabed massive sulfides (SMS), polymetallic nodules and ferromanganese crusts (Fe-Mn crusts) have received an ever- increasing amou

    Jan 1, 2018

  • IMMS
    Adaptation of Environmental Monitoring Methods from the Oil and Gas Sector for Seabed Mining

    By Karsten Hagenah, Tor Jensen, Jens Laugesen, Øyvind Fjukmoen, Lucy Brooks

    "The methods and technologies to be used for environmental monitoring of seabed mining activities are a key issue. Due to the large water depths, there are special challenges with respect to the monit

    Jan 1, 2017

  • IMMS
    Special Report On Stockpile 2000 Workshop

    By Michael J. Cruickshank

    A workshop to examine recovery systems for selected strategic and critical materials in the U.S. National Seabeds for the National Defense Stockpile in the 21st Century was held in Hawaii September 26

    Jan 1, 1991