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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
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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
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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
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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
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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
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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
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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
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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
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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
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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 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
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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
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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
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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
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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
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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
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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
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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
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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
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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