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Manganese Nodules: Overcoming The Constraints
By William D. Siapno
Approximately a century lapsed between the time nodules were discovered and the beginning of commercial exploration in the early 1960's. A period of rapid development of exploration and mining te
Jan 1, 1985
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The Role Of Government In The Mineral Development Sector
By Carolita U. Kallaur
In contrast with the United Kingdom, the Netherlands, and Japan, the marine mining industry in the United States exists at a very rudimentary level. Depletion of onshore resources has undoubtedly been
Jan 1, 1992
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A Multidisciplinary Field Study of Cobalt-Rich Crusts, Tropic Seamount, North-East Atlantic: Marine E-Tech
By Mark Lee, Isobel Yeo, Sarah Howarth, Christian Millo, Javier González Sanz, Paul Lusty, Bramley Murton, Pierre Josso
"Seafloor cobalt-rich ferromanganese crusts represent the most important yet least explored resource of ‘E-tech’ elements on the planet (Hein et al. 2003; ISA, 2008; Hein et al. 2010; Hein et al. 2013
Jan 1, 2017
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Ecosystem-Based Management of the Deep Ocean: DOSI (Deep-Ocean Stewardship Initiative) Guidance for Seabed Mining
By Maria Baker, Kristina Gjerde, Lisa Levin, Verena Tunnicliffe, Lenaick Menot, Rachel Boschen
Deep-sea mining is rapidly approaching the test-mining phase to prepare for commercial mining in multiple oceans, both in areas within and beyond national jurisdiction. The first test-mining operation
Jan 1, 2017
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Road Map To Successful Commercial Deep Ocean Mining
By John Halkyard
Deep ocean mining is experiencing a rebirth following many years of low levels of activity. Large scale mining is being projected as just over the horizon. A lot has been made of the advances in deep
Jan 1, 2011
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Managing Deep Sea Tailings Placement And The Environment: An Analogue For Deep Sea Mining
By Tracy Shimmield
Deep sea tailings placement (DSTP) techniques have been pioneered in Papua New Guinea (PNG): a mining reliant economy in a seismically active region, facing major environmental challenges in the safe
Sep 14, 2011
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Mineralogy and Chemistry of Ferromanganese Nodules in the Campbell Nodule Field
By Hunsoo Choi, Sung Rock Lee, Ian J. Graham, Ian C. Wright
This is a part of the joint KIGAM-GNS-NIWA 3-year study of ferromanganese modules in the Campbell Nodule Field, east of Campbell Plateau to determine age distribution, growth rates and geochemical evo
Aug 24, 2006
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The Stabilisation Of Vertical And Horizontal Slurry Pipelines In Mining: The Role Of The Jet Pump
By Anthony Wakefield
Dredging tends to be either horizontal or vertical. In each case solids have to be disengaged from the deposit, mobilized, acquired and elevated or translated. One means of elevation is the airlift.
Jan 1, 1998
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Production Determining Processes Of Subsea Deposit Removal
By Tony van der Steen
Subsea mining system are designed for the following, principally different, tasks: Dreding - The destruction and removal of seabed sediments overlaying the bedrock. Cleaning - The competence
Jan 1, 1998
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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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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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Possibilities For Commercial Minerals In The Irish Offshore Area
By M. Geoghegan
Under the provisions of the U.N. Law of the Sea Convention Ireland is likely to have mineral rights to an area of continental shelf some six times its present land area. Apart from the major potential
Jan 1, 1988
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The Characteristics of Plagioclase-Hosted Melt Inclusions from MORB in the Hydrothermal Anomaly Field, South Mid-Atlantic Ridge
By Chuanshun Li, Haitao Zhang, Xuefa Shi, Quanshu Yan, Zhiwei Zhu
In Expeditions 22 and 26 of China Ocean Survey (COS), Chinese and Russian scientists have Carried out a lot of work to search for hydrothermal sulfide in Southern Mid-Atlantic ridge (SMAR) 19°S, but c
Jan 1, 2017
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Sand Mining For The Restoration Of Waikiki Beach
By Michael J. Cruickshank
The State of Hawaii has expressed concern over deterioration of the tourist beaches at Waikiki, which are becoming seriously depleted of sand. In this report the options for acquisition, transportatio
Jan 1, 1991
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The Effect of SMS Composition on Their Density Properties for Resources Estimation
By Irina Dobretsova, Anna Sukhanova, Anatoly Kondratenko, Svetlana Babaeva, Sergey Andreev
"With the acceptance of an application and a signed contract for prospecting deep-sea sulfides (2012) between the Russian Federation and the ISA, at present it is particularly important to assess the
Jan 1, 2017
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Nearshore Geochemical Exploration Techniques
By John Noakes
Marine scientists at the University of Georgia, have in the past few years, designed, developed and refined two geochemical survelliance systems for the exploration of hard mineral resources on the se
Jan 1, 2011
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Critical Metals in Manganese Nodules from the Cook Islands EEZ
By James R. Hein
Manganese nodules from the Cook Islands (CI) Exclusive Economic Zone (EEZ) are compositionally different from other nodule fields. CI nodules have relatively high cobalt concentrations and low nickel,
Sep 14, 2011
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Base And Precious Metal Resources In Seafloor Polymetallic Sulfides
By Mark D. Hannington
Seafloor polymetallic sulfides have been found in diverse volcanic and tectonic settings on the ocean floor at water depths ranging from 3700 meters to <1500 meters. More than 100 occurrences of hydro
Jan 1, 1994
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Mineralogy of Polymetallic Nodules in the Central Mexican Pacific (b0fead6b-fb77-4585-9d75-45915ccf5818)
By Mayumy Amparo Cabrera-Ramírez
Polymetallic nodules are a widespread resource in the Pacific Ocean, particularly in the areas of Clarion-Clipperton (Cronan, 2000). The most abundant mineral phases are forme d by iron and manganese
Sep 14, 2011
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Gorda Ridge And Mid-Atlantic Ridge: New Frontiers For Undersea Research
By Peter A. Rona
Investigations of the Gorda Ridge within the proclaimed U.S. Exclusive Economic Zone off northern California and southern Oregon, and the Mid-Atlantic Ridge extending along the center of the Atlantic
Jan 1, 1988