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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
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Preliminary Economic Evaluation of Deep-sea REE Mud Mining
By Tetsuo Yamazaki
Deep-sea rare-earth element-rich mud (REE Mud) distributes in pelagic clayey sediment column on ocean seafloor at 4,000-6,000 m deep. The thickness ranges 5-80 m and the burial depth 0-100 m. The REE
Sep 14, 2011
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An Article 76-Based Definition Of The U.S. Atlantic Continental Shelf
By G. B. Carpenter
The United Nations Law of the Sea (LOS) Convention includes provisions (Article 76) for establishing the outer limits of a coastal State's continental shelf and for denoting the seaward extent of
Jan 1, 1995
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Hydrothermal Processes And Sulphide Depositions On Submarine Volcanoes Of The Southern Kermadec Arc
By Alexander Malahoff
Six active Kermadec Arc submarine volcanoes located between 34°S and 36°30?S were mapped and sampled by an interdisciplinary inter-institutional research team between April and July 2005 using submers
Jan 1, 2005
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Seafloor Occurrence And Growth Stages Of KODOS Ferromanganese Nodules
The seafloor occurrences of KODOS ferromanganese nodules can be classified into four facies based on the morphological types of nodules recovered and seafloor photographs. Facies A, B, and C are relat
Jan 1, 2005
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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.
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Nautilus Minerals - Commercializing Submarine Massive Sulphide Systems
By Michael Johnston
Nautilus Minerals is exploring for high-grade gold, silver, copper, and zinc-rich submarine massive sulphide deposits (SMS) within the territorial waters of the sovereign state of Papua New Guinea.
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Some Questions of the AUV Control in Surveying the Seamounts.
By Mikhail D. Ageev
The paper concerns with some questions of Autonomous Underwater Vehicle (AUV) control system design, which allows a motion at rough undersea terrain. The AUV advantages reveal itself completely du
Jan 1, 2011
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The Campbell Ferromanganese Nodule Field (SW Pacific Ocean) Formed Beneath The Deep Western Boundary Current: An Important Source Of Paleo-Environmental And Chronostratigraphic Information
An extensive ferromanganese nodule field south of New Zealand (Fig. 1) has existed beneath the flow of the Deep Western Boundary Current (DWBC) and Antarctic Circumpolar Current (ACC) for at least the
Jan 1, 2003
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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
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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
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Black Sands In The Pacific Mexican Littoral
By Arturo Carranza Edwards
One hundred ninety nine beach face sand samples from an equal number of beaches from the Mexican Pacific were studied. Based on petrological and chemical analysis some locations have been studied in m
Jan 1, 1994
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Experimental Application of Underwater Hyperspectral Imaging on Seafloor Massive Sulphides from the Loki’s Castle on the Arctic Mid-Ocean Ridge, Norway
By Øystein Sture, Kurt Aasly, Ben Snook, Sigurd A. Sørum
INTRODUCTION Efficient exploration methodologies for base metal deposits have huge benefits for future deep sea mining endeavours, and underwater hyperspectral imaging (UHI) has been variably demonstr
Jan 1, 2018
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Boiling Fluids And Unusual Mineral Deposits From Hydrothermal Vents At The South Mid-Atlantic Ridge ? Results Of Meteor Cruise M64/1
By Andrea Koschinsky
Numerous hydrothermal vents occur along the Earth?s oceanic spreading axes documenting the reaction of seawater with hot magmatic rocks. The circulation of seawater through the oceanic crust, the inte
Jan 1, 2005
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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
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6000 Meter Submersibles MIR I And II: New Opportunities For Use In Marine Exploration
By Igor E. Mikhaltsev
The goal of investigation of the midwaters and of the bottom of the world - ocean versus technological possibilities. Manned vehicles and maximum depth decision. The methods of solving of the problem.
Jan 1, 1988
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Advances In Seabed Mapping And Sediment Profiling Technology
By Freddy Pøhner
The paper describes recent advances in the technology for mapping of the seabed with acoustic instrumentation. These instruments are typically single beam echo sounders, multibeam echo sounders and hi
Jan 1, 2003
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Chemical And Geological Study Of Mexican North Pacific Littoral Sediments
By Leticia Rosales Hoz
A chemical and geological study of beach samples from the Mexican North Pacific was undertaken in order to evaluate the chemical composition of the beach sediments and it s association to lithology, c
Jan 1, 2000
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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
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Brothers Volcano, Southern Kermadec Arc, New Zealand: Contrasting Vent Sites And Evidence For A Magmatic Fluid Component
By Cornel E. J. de Ronde
Brothers volcano (34°51.7?S, 179°03.6?E) is a large caldera volcano that forms part of the active Kermadec arc south of 32° S, NE of New Zealand. It is an elongate edifice striking NW-SE that is ~11-
Jan 1, 2004