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Cash Flow Models of Different Deep Sea Mining Deposits - Deep Sea Mining Projects
By Henk van Muijen
From an interesting and intriguing scientific research topic, deep sea mining has altered into an interesting mining prospect over the last years. Ten years ago most of the focus was on geological inv
Jan 1, 2010
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Resource Drilling Of The Solwara 1 Seafloor Massive Sulfide (SMS) Deposit
By Glen Smith
Nautilus Minerals is the world leader in exploration and development of deep ocean seafloor massive sulphide (SMS) resources. The company is currently focused on generating its resource pipeline in th
Jan 1, 2011
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Shallow Submarine Alkaline Volcanism And Hydrothermal Activity In The Tabar-Feni Island Chain, Papua New Guinea
By Mark D. Hannington
Results of the R/V Sonne Cruise (Edison) to the Tabar-Feni Arc from March 11 to April 5, 1994, a joint German-Canadian research cruise aboard the vessel R/V Sonne, undertook detailed mapping of the Ta
Jan 1, 1994
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Hydrothermal Deposits In Atlantic: Types And Perspectives
By Georgy A. Cherkashov
Two principal types of the hydrothermal fields in Atlantic - axial and off-axis - could be established based on their structural setting in the rift zone of the Mid-Atlantic Ridge (MAR) (Figure1).
Jan 1, 2003
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Geophysical Investigations Over Segments Of The Central Indian Ridge: High Resolution Bathymetry And Magnetic Survey
By Hyun Sub Kim
Subsea mineral deposit exploration aboard the R/V Onnuri was performed along the northern Central Indian Ridge (CIR) between 8°S and 17°S in December 2009 ~ January 2010 (09IR Leg01 and 09IR Leg02) an
Jan 1, 2011
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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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Low Cost Drilling for Deep Sea Minerals Exploration
By Art Wright, Steinar L. Ellefmo, Kurt Aasly, Mike Williamson, Fredrik Søreide, Martin Ludvigsen, Michael Zylstra
Exploring for minerals on the seabed is challenging and expensive – and the ability to collect representative sub surface samples is essential. The research project MarMine led by NTNU has together wi
Jan 1, 2017
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Geochemical Variations of SMS Deposits from Mid-Ocean Ridge and Arc-Back Arc Settings
By Nicholas Dyriw, Georgy Cherkashov, Tamara Stepanova, John Parianos, Anna Firstova
"Seafloor massive sulfide (SMS) deposits are a new frontier in global metal resources. Hydrothermal chimney’s (black smokers) precipitate Cu, Zn, Ag and Au rich from hot fluids (>250°C) during interac
Jan 1, 2017
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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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Plumes of Deep-Sea Mining: What Do We Know?
By Georgy Cherkashov, Livia Ermakova
Active development of the exploration and further exploitation of deep-sea minerals requires special emphasis on the protection of the marine environment. The complexity of this subject lies in the fa
Jan 1, 2018
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AUV-Based Small Scale Quantitative Predictive Mapping of Mn-Nodules: Precondition for Ideal Mining Path Planning
By Timm Schoening, Greinert. Jens, Iason –. Zois Gazis
"Ferromanganese nodules are again of interest because of their high concentrations of Ni, Co, Cu as well as REE. With regards to an operational underwater mining industry, one of the main questions an
Jan 1, 2017
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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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The Application Of Modern Sea Floor Studies To A Precambrian Greenstone-Hosted Gold-Silver-Barite Deposit, Brazil
By N. J. Poll
The Zacarias gold-silver-barite deposit appears to be a Precambrian analogue of present-day exhalative deposits on the sea floor. Geochemical, stratigraphic and structural studies of the latter can be
Jan 1, 1993
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Programmatic Activities In The U.S. Exclusive Economic Zone
By Robert G. Paul
President Reagan's Exclusive Economic Zone (EEZ) Proclamation of March 10, 1983, extended United States ocean jurisdiction 200 nautical miles offshore our coastal states and territories. The acco
Jan 1, 1985
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Integrated Ship, Submersible, ROV And Ocean-Bottom Observatory Design For Ocean Mineral Studies At The University Of Hawaii
By Alexander Malahoff
A shipboard research system capable of operating in waters of up to 2,000 m has been designed and implemented by the Hawaii Undersea Research Laboratory (HURL), University of Hawaii. It uses a remotel
Jan 1, 1992
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Mineral Processing of Cobalt-Rich Ferromanganese Crust and Nodules - Establishment of Treatment Flow for Removal of Substrate Rock
By Naoki Hiroyoshi, Kunihiro Hori, Kengo Sekimura, Mayumi Ito, Kouki Kashiwaya, Eiji Yamaguchi, Masami Tsunekawa
Cobalt-rich ferromanganese crusts and nodules ores from seamount areas contain volcanic and sedimentary rocks as substrate or nuclei. During the mining operation, these rocks should be separated as
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The Role of Bimodal Magmatism and its Products in Volcanogenic Massive Sulfide Ore-Forming Systems: A Case Study from the Middle Okinawa Trough, Japan
By Toru Yamasaki
"Bimodal lithostratigrafic assemblages are of significance in volcanogenic massive sulfide (VMS)-hosted lithology. The largest deposits are either bimodal-siliciclastic or maficsiliciclastic, and the
Jan 1, 2017
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Contrasting Styles Of Marine Diamond Mineralisation Requiring Different Mining Methodologies - A Case Study From Concession 2B South African West Coast
By P. C. Hollick
Two marine diamond deposits on concession 2b off Namaqualand along the South African Coast, have been systematically mined over the past year by the mv Moonstar. The two deposits, Smith?s Ulcer and We
Jan 1, 1998
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UNEP Shelf Programme, Article 76 and How it Affects Coastal States
By Luana Karvel, Lars Kullerud, Morten Sørensen, Øystein Halvorsen, Øivind Lønne, Elaine Baker, Tina Schoolmeester, Joan Fabres, Yannick Beaudoin
The UNEP Shelf Programme (USP) is the access point for a collaboration of international organizations with expertise in marine geoscience and maritime law. It was established in response to a United
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North Atlantic Marine Minerals and Ocean Mining Potential
By Fredrik Søreide
The Norwegian EEZ contains large areas of interest for SMS exploration along the Mid- Atlantic Ridge, from Jan Mayen to Svalbard. At the same time Norwegian companies engaged in oil and gas activities
Sep 14, 2011