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  • IMMS
    The Atlantis II Sea Floor Massive Sulphide Deposit, Red Sea - Current Status and Future Programme

    By R. D. Hamer

    "The Atlantis II Deposit comprises metalliferous sediments (Zn+Cu+Ag+Au) accumulating in a composite, axial basin, 2,000m beneath the surface of the Red Sea. The basin contains warm, highly saline wat

    Jan 1, 2017

  • 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
    The Marine Minerals Technology Center - New Research Programs For Developing Continental Shelf And Deep Ocean Minerals

    By J. R. Woolsey

    Research grants of The Marine Minerals Technology Center (MMTC) are directed toward development of the technology 'for exploration, mining, and processing of non-fuel mineral resources within the

    Jan 1, 1989

  • IMMS
    From exploration to extraction: The consequences of resource morphology for mining operations on the Chatham Rise

    By Campbell McKenzie

    Substantial consideration has been given to the implications that the morphology of the Chatham Rise deposit will have on mining operations. The glacio-tectonic processes involved in the distribution

    Sep 14, 2011

  • IMMS
    Seabed Classification at Seafloor Hydrothermal Sulfides Fields Using Multi-beam Sonar

    By Tao Chunhui

    The seabed deposits type and distribution are very complex at the hydrothermal field. In this paper, we provided an approach to study the seabed deposits classification at the Precious Stone Mountain

    Sep 14, 2011

  • 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
    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
    Regulations for the Exploration of Polymetallic Sulphides and Cobalt Rich Crusts in the International Seabed Authority

    By Satya Nandan

    The International Seabed Authority is currently considering regulations for prospecting and exploration for polymetallic sulphides and cobalt rich crusts. The deposits of these two types of minerals

    Aug 24, 2006

  • IMMS
    Environmental Impact Research For Deep Seabed Mineral Resources Development By The Metal Mining Agency Of Japan

    By Natsumi Kamiya

    The Metal Mining Agency of Japan (MMAJ) has started the project in the fiscal year of 1989 under the administration of the Ministry of International Trade and Industry '(MITI). The purpose of thi

    Jan 1, 1993

  • IMMS
    230Th/U-dating of Massive Sulfides: Results and Applications

    By Georgy Cherkashov, Vladislav Kuznetsov

    The presentation describes new data concerning the age of the Mid-Atlantic Ridge (MAR) hydrothermal fields. The collection of massive sulfides recovered from six hydrothermal fields has been dated usi

    Aug 24, 2006

  • IMMS
    The Sonne Ore-Field -- The First Massive Sulfides From The Indian Ocean Floor

    By Peter E. Halbach

    The Central Indian Ridge (CIR), the boundary between the African and Indian plates, forms a SSE trending mid-oceanic accretionary system in the equatorial Indian Ocean (Fig. 1), extending to the north

    Jan 1, 1994

  • IMMS
    Genetic Relationship Between Ultramafic/Mafic-Hosted Massive Sulfides And Their Host Rocks At The Logatchev Hydrothermal Field At 14°45?N (MAR) Using PGE Geochemistry And Os Isotopes

    By T. Kuhn

    The Logatchev hydrothermal field is situated on the east inner flank of the rift valley of the MAR at 14°45?N and is hosted by serpentinized peridotites and minor gabbronorites while basalts are subor

    Jan 1, 2004

  • IMMS
    Interrelationships Between Phosphorites And Associated Biologically Productive Hard Bottoms, North Carolina Continental Shelf

    By Stanley R. Riggs

    Onslow Bay is a broad, shallow, high-energy shelf system bounded by the Cape Lookout and Frying Pan shoals. It is generally a sediment-starved shelf system dominated by hardbottoms with a scattered an

    Jan 1, 1992

  • IMMS
    Marine Aggregates In North West Europe ? Demand And Supply

    By Graham Singleton

    Around 235 million tonnes of marine aggregates have been dredged in the last decade from the UK continental shelf alone. The current distribution of marine aggregate production licence areas in No

    Jan 1, 2004

  • 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
    Conceptual Proposals for Environmental Investigations of Deep-Seabed Mining (36th Underwater Mining Institute · 24-30 September 2006)

    By Hjalmar Thiel

    Issues of deep-seabed mining are discussed since four decades and extensive efforts have been invested in oceanographic studies related to environmentally sound harvesting of polymetallic nodules. B

    Aug 24, 2006

  • IMMS
    Impact of High-Resolution Bathymetric Mapping on Resource Estimation in the French Exploration Contract for Polymetallic Nodules

    By Lénaick Menot, Anne-Sophie Alix, Charline Guérin, Sébastien Ybert, Ewan Pelleter, Florian Besson

    Ifremer, on behalf of the French government, holds an Exploration Contract with the ISA for polymetallic nodules in the CCFZ. As part of its exploration activities, the NODULE (2015) cruise was conduc

    Jan 1, 2018

  • IMMS
    Distribution And Formation Of Placers On The Continental Shelves Of Russia

    By A. Ivanova

    The continental shelves occupy a vast area of Russia and contain complexes of commercial placer minerals. Of prime importance are Cenozoic placers of valuable minerals including gold, cassiterite, dia

    Jan 1, 2004

  • IMMS
    Regional-Scale Mapping Of U.S. Continental Margin Sedimentary Environments: Tools For Research, Seafloor Management And Aggregate Resource Assessments

    By S. Jeffress Williams

    Continental shelf margins are dynamic sedimentary environments that contain important benthic habitats and support many functions such as navigation, national defense, cables, pipelines, trawling, and

    Jan 1, 2004

  • IMMS
    Geostatistical Applications In Marine Placer Exploration

    By Robert M. Owen

    Geochemical exploration for marine placers involves the acquisition, processing, and interpretation of geochemical data. Recent technological advances such as in-situ analysis systems and microcompute

    Jan 1, 1986