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Gas Hydrates Of The West Coast Of India: A Neo-Tectonic Perspective (1d4cfd86-5c10-440c-a519-a1146741f386)
By S. Rajendran
Gas Hydrates (Methane Hydrates) are solid, ice ? like substances composed of water and natural gas. They occur naturally in areas of the world where methane and water can combine at appropriate condit
Jan 1, 2002
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Model of CCZ Geological Evolution and Nodules Potential Formation
By Valery M. Yubko
"The conceptual basis of the developed model is based on the ideas that evolution of geological-geomorphological structure of the CCZ is controlled by four types of geologic factors: geodynamic, sedim
Jan 1, 2017
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Temporal Variation Of Environmental Characteristics By Changing Water Column Structure In The Northeast Equatorial
By Seung-Kyu Son
Environmental properties of the northeast Equatorial Pacific along 131.5 degrees west, between 5 degrees and 13 degrees north latitude, were investigated in association with changes in water column st
Jan 1, 2001
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Self-Cleaning Acoustic/Screen Filter System
By J. Robert Woolsey
A unique concept for a self-cleaning filter system has been designed and constructed which utilizes acoustic energy, coupled hydraulically with a subject liquid media, and a fine mesh screen to perfor
Jan 1, 1994
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Commercial And Technical Realities Of Deep Ocean Mining
By Jon Machin
?ORE? is defined as ?mineral/s that can be mined at a profit?. So, what is ORE at 2,000 m water depth? Is it 5% Copper or 1.8% Nickel/Cobalt? One of the key factors that determine what is ORE, pr
Jan 1, 2004
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New Frontier Explored by D/V Chikyu
By Wonn Soh
As for Earth, where human beings live, approximately 70 % of its surface is covered by oceans. Today, advanced technology has led us to understanding the abyssal ocean floor through the use of subme
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Processes of Metal Sulfide Oxidation at Hydrothermal Vents and in Seafloor Massive Sulfides
By Amy Gartman
The interactions between hydrothermal fluids and seawater result in minerals that range in size from nano- to macro-scale and constrain mineral emplacement, whether in hydrothermal chimneys or metalli
Jan 1, 2018
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Organization Of The International Marine Mineral Society
By William D. Siapno
The International Marine Minerals Society has now come of age! Previously known as the International Marine Mining Society, it was an informal group without officers, by-laws or official status. Despi
Jan 1, 1986
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Major Kuroko-Type Deposit In The Central Izu-Ogasawara (Bonin) Arc, Japan
By Kokichi Iizasa
Two major Kuroko-type deposits and minor sulfide deposits have been found in the middle Izu-Ogasawara (Bonin) Arc, Japan (Fig. 1). The Hakurei deposit, one of the major Kuroko-type deposits, was rece
Jan 1, 2005
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Correlation Between Mineralogical And Chemical Compositions Of The Micro-Textures In Manganese Nodules
By Hunsoo Choi
Internal textures of manganese nodules from Clarion-Clipperton zone of northeastern Pacific Ocean are classified into five textural zones: columnar-textured layered zone, cuspate-textured layered zone
Jan 1, 2002
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Paleoceanographic Conditions During the Formation of Fe-Mn Crusts from the Pacific Ocean: Biostratigraphic and Compositional Evidence ? Introduction
By Irina A. Pulyaeva
Hydrogenetic Fe-Mn crusts play an important role in marine mineral-deposit research because of their widespread occurrence and high concentrations of valuable and rare metals. Most Fe-Mn crust deposit
Jan 1, 2010
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Taxonomic and Trophic Structure of Megabenthic Community on Polymetallic Nodules Fields in NE Pacific Ocean
By Valcana Stoyanova
Data and information for this study were collected in June-July 2009 onboard the RV Yuzhmorgeologiya in the area covers about 7000 km2 in the eastern part of the CCFZ between 10º05? - 10º55?N and 119º
Jan 1, 2010
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Local Variability of Ore Bed Parameters in Co-Rich Manganese Crusts (e23c7a2a-21be-4683-96e7-b361ec68f39c)
By M. Ye. Melnikov
The report is about oceanic ferromanganese crusts ? covers of iron and manganese hydroxides developed over an opened rock of seamounts and rises. Ore bed parameters of crusts are understandable as the
Jan 1, 2010
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Local Variability of Ore Bed Parameters in Co-Rich Manganese Crusts
By M. Ye. Melnikov
The report is about oceanic ferromanganese crusts ? covers of iron and manganese hydroxides developed over an opened rock of seamounts and rises. Ore bed parameters of crusts are understandable as the
Jan 1, 2010
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Simulation And Calculation Of System Hydraulic Lifting Of Mineral Coarse Solid Particles From Seabed To The Water Surface
By V. Alexandrov
This paper presents the results of theoretical investigations of the energy requirements of the hydraulic lifting of mined materials from the seabed to the sea surface in the deep-sea mining of solid
Jan 1, 2005
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Marine Minerals Potential in the Pacific Islands Region and the Proposed Management Strategy
By Akuila K. Tawake
The occurrences of polymetallic minerals within the Exclusive Economic Zones (EEZs) of many Pacific Island Countries (PICs) have been confirmed through marine scientific researches and seabed minerals
Jan 1, 2010
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Sensitivity Analyses of the Kuroko-type Seafloor Massive Sulfide Mining in Japan’s EEZ
By Tetsuo Yamazaki
The Kuroko-type seafloor massive sulfides (SMS) in the western Pacific have received much attention as sources for economic recovery of gold (Au), silver (Ag), copper (Cu), zinc (Zn), and lead (Pb). S
Sep 24, 2006
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Polymetallic Nodules as a Future Deep Sea Mineral Resource
By U. Schwarz-Schampera, C. Rühlemann, H. -R. Kudrass
Within 2006 BGR will conclude a contract with the UN International Seabed Authority (ISA) for the exploration of polymetallic nodules. The contract covers an area in the Pacific nodule belt between th
Aug 24, 2006
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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
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Seafloor Massive Sulfides And Oceanic Core Complexes At The Slow-Spreading Ridges
By G. Cherkashov
The geodiversity of seafloor massive sulfides (SMS) deposits at the slow- and ultra-slow spreading ridges is of great variety (Fouquet et al., 2010). Tectonics and magmatism are the two principal fact
Jan 1, 2011