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  • 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
    Detection and Quantification of Seafloor Ilmenite Deposits Utilizing Induced Polarization

    By Curtis Clement

    Williamson & Associates, Inc. has developed a marine mineral exploration tool using an induced polarization technology (IP) under license from the US Geological Survey. Developed by Jeff Wynn at the

  • IMMS
    Namco: Progression Through Sampling to Full Scale Diamond Production Offshore Namibia

    By Roger J. Daniel

    Major interest and investment in southern Africa's west coast diamond deposits have resulted in the development of various tools for sampling and mining in the varied geological conditions encoun

    Jan 1, 1998

  • IMMS
    ACS: A Seafloor Drilling System for the Deepsea Methane Hydrate Program Offshore India

    By M. E. Williamson

    A seafloor based robotic drilling system is being developed for the National Institute of Ocean Technology in Chennai, India to support a National initiative for marine methane hydrate research. The

  • IMMS
    Preliminary Results of ROV Expeditions to Kuroko-type Deposits in the EEZ of Japan

    By Kokichi Iizasa

    Modern Kuroko-type deposits have been much reported in submarine calderas and cauldrons in the EEZ of Japan since 1988. Some of them have been found based on heavy mineral analysis of sediments in whi

    Oct 15, 2007

  • IMMS
    Distal Metalliferous Sediments and Search of Underwater Hydrothermal Deposits

    By Evgeny G. Gurvich

    While direct study of high temperature hydrothermal activity and the associated mineral formation as well as study of their scales are possible in the modern ocean, researchers are deprived of such

    Aug 24, 2006

  • IMMS
    Search for Sediment-hosted Seafloor Polymetallic Sulfides: What Are We Doing Wrong?

    By Timothy F. McConachy, Christopher J. Yeats, Ray Binns

    Various kinds of sediment-hosted polymetallic sulfide deposit are known on land in ancient marine sequences, many tending to be larger and more valuable than massive sulfide deposits genetically ass

    Aug 24, 2006

  • IMMS
    Reconsideration of Fine-scale Dating of Ferromanganese Crusts for More Reliable Microstratigraphic Correlation

    By H. Oda, L. E. Fong, K. K. McBride, B. P. Weiss, F. J. Baudenbacher, A. Usui

    Fine-scale dating is a key parameter in characterizing the growth history of hydrogenetic ferromanganese crusts. We once compared several dating methods, micropaleontological (calcareous nanofossil),

    Aug 24, 2006

  • IMMS
    Application Of High Resolution Element Analysis Of N-E Pacific Sediments

    By In Kwon Um

    The XRF Core-Scanner system performs non-destructive analysis of elements from Mg to U, in concentrations of ppm levels on split cores with digital images. Using the AVAATECH XRF Corescanner system, w

    Jan 1, 2011

  • IMMS
    Comparative Study On Mining Robots Design For Polymetallic Nodules And Seabed Massive Sulfides

    By Sup Hong

    Herein, concept designs of two different types of mining robots are concerned, which are aimed for developments of deep seabed mineral resources: polymetallic nodules (PMN) and seabed massive sulfides

    Jan 1, 2011

  • IMMS
    Offshore Diamond Mining on the African West Coast

    By Robert Goodden

    It is well known that diamonds are found in Kimberlite pipes within the earth’s crust and are also discovered where erosion has released them to be concentrated by rivers in trap sites within alluvial

    Sep 24, 2006

  • IMMS
    The Metallogeny of Ancient Greenstone Belts and Implications for Modern Submarine Hydrothermal Systems

    By H. L. Gibson, U. Schwarz-Schampera, Mark Hannington

    Ancient ore deposits provide important clues for the understanding of the origin and distribution of modern submarine hydrothermal systems. An analysis of the formation conditions, tectonic settings,

    Sep 24, 2006

  • IMMS
    Mineralization Processes At Ocean Ridges

    By Johnson R. Cann

    Ocean floor sulfide deposits are now known from many parts of the world mid-ocean ridge system and from some seamounts. Clearly they can be expected to occur commonly on the ocean floor. However, only

    Jan 1, 1988

  • IMMS
    Canada's Shelf Resource Potential

    By Peter B. Hale

    Canada has a long history of marine-related industry and onshore mining. Even so, commercial interest in marine mining, excluding seawater mineral extraction and offshore extensions of hardrock deposi

    Jan 1, 1985

  • IMMS
    Marine Survey Methodology Of The Surficial Geology And Morphology Of Northwestern Graham Island

    By Brian D. Bornhold

    A comprehensive multi-disciplinary marine geological survey of northwestern Graham Island, Queen Charlotte Islands, British Columbia, Canada was conducted by Offshore Survey and Positioning Services L

    Jan 1, 1985

  • IMMS
    Marine Mining Is Getting A Bad Deal From Environmentalists

    By Charles L. Morgan

    For the past twenty years or so the oceans of the world have been transformed in the minds of most Americans from the ultimate and nearly infinite receptacles for sewage and other wastes to an almost

    Jan 1, 1989

  • IMMS
    Nodules: Nineties & Beyond

    By William Siapno

    Manganese nodules, as metal ores, have for the most part been cast aside from further consideration within this century. However, in the decade of the 90s, rising demand at all levels of society, for

    Jan 1, 1991

  • IMMS
    Small Scale Geothermal Development Potential For Pacific Volcanic Islands

    By Harry J. Olson

    Geothermal Energy has a great potential for meeting the electrical and thermal energy requirements of many countries and territories lying along tectonically active zones within and surrounding the Pa

    Jan 1, 1991

  • IMMS
    Modeling and Field Studies of Nodule Dewatering Plumes Generated by Surface Processing Vessels

    By Michael Goldin, Jonathan Ladner, Thomas Peacock, Nathaniel Johnson, Patrick Haley, Kris van Nijen, Andrew Rzeznik, Pierre Lermusiaux, Matthew Alford, Carlos Munoz-Royo

    Surface processing vessels for deep-sea nodule mining operations will produce dewatering plumes that will be released at some depth into the ocean water column. We are studying all aspects of this par

    Jan 1, 2017

  • IMMS
    Impact Estimation Of Methane Hydrate Utilization On Atmospheric Carbon Emissions By Using Mass Balance Eco-Model

    By Tetsuo Yamazaki

    Natural methane hydrate has been scientifically studied as a global carbon reservoir. However, in Japan, it?s potential as an energy resource has been industrially highlighted, because there are few

    Jan 1, 2004