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Ecosystem Modeling For Impact Assessment Of Possible Methane Leakage During Methane Hydrate Utilization
By Tetsuo Yamazaki
Natural methane hydrate has been scientifically studied as a carbon reservoir globally. However, in Japan, the potential for energy resource has been industrially highlighted. There is less domestic
Jan 1, 2005
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Tectono-Magmatic Controls for Seafloor Massive Sulfide Deposit (SMS) Formation in a Back-Arc Setting; a Clue to Exploration
By Toru Yamasaki
A concept of plate-tectonic controls for the formation of seafloor massive sulfide (SMS) deposits in back-arc settings was established by Franklin et al. (2005). According to Franklin et al. (2005), a
Jan 1, 2018
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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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Relationships between Variations in Internal Textures and Sedimentary History of Fe-Mn Nodules from Campbell Plateau
By S. W. Chang, James R. Hein, S-R. Lee, A. Zondervan, H. Choi
"Nine Fe-Mn nodules from the extensive nodule field in the east of Campbell Plateau of southwest Pacific Ocean beneath the Deep Western Boundary Current (DWBC) and Antarctic Circumpolar Current (ACC)
Jan 1, 2017
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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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Seabed Mineral Deposits in European Seas: Metallogeny and Geological Potential for Strategic and Critical Raw Materials (MINDeSEA Project)
By Henrik Schiellerup, Irene Zananiri, Johan Nyberg, Thomas Kuhn, Luis Somoza, Teresa Medialdea, Maria Judge, Pedro Ferreira, Gerry Stanley, Javier González
The GeoERA Co-Fund action is a joint contribution of 48 national and regional Geological Survey Organisations from 33 European countries “Establishing the European Geological Surveys Research Area to
Jan 1, 2018
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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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Ocean Mining, Undersea Mining Or Offshore Mining In The Chilean National Legislation, In The International Law And Its Technological Progress
By Winston Rocher Anda
Traditionally, mining activities have been developed in firm land, but technological advances and human needs have opened in the last year?s new opportunities in the maritime field. This has happened
Jan 1, 2011
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Germany’s Exploration for Seafloor Massive Sulfides in the Indian Ocean
By Harold Gibson, Ulrich Schwarz-Schampera, Ralf Freitag, Hendrik Mueller
INTRODUCTION Germany has a long history in marine research in the Indian Ocean. The first German scientific cruise started in 1964, followed by a series of state-sponsored research cruises between 198
Jan 1, 2018
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Detection and Quantification of Seafloor Ilmenite Deposits Utilizing Induced Polarization
By Curtis Clement
Williamson & Associates, Inc. has developed a marine mineral exploration tool using an induced polarization technology (IP) under license from the US Geological Survey. Developed by Jeff Wynn at the
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Hydrothermal Fluxes along the Mohns Ridge - Implications for Mineral Resources at Ultraslow Spreading Ridges (e048573c-fd0f-47f0-8fbd-b9f2b4c42dfb)
By T. Barryere, R. B. Pedersen, E. Reeves, A. Stensland, I. Thorseth, T. Baumberger
Venting on ultraslow spreading ridges is far more abundant then previously predicted, and the discrepancy between observed and predicted vent field density may imply that non-magmatic heat sources are
Jan 1, 2018
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Polymetallic Sulfide Formation And Gold Enrichment On Hydrothermal Vents Of Pacific Seamounts
By Alexander Malahoff
Mineral zonation studies were conducted on hydrothermal vents of two hot spot volcanoes. One study site is located within the Axial Caldera of the axial hot spot volcano of the Juan de Fuca Ridge. The
Jan 1, 1988
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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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Hydrothermal Fluxes along the Mohns Ridge - Implications for Mineral Resources at Ultraslow Spreading Ridges
By RB. Pedersen, T. Barryere, E. Reeves, A. Stensland, I. Thorseth, T. Baumberger
Venting on ultraslow spreading ridges is far more abundant then previously predicted, and the discrepancy between observed and predicted vent field density may imply that non-magmatic heat sources are
Jan 1, 2018
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Obtaining Approval For Deep Water Seafloor Mineral Extraction: The Solwara 1 Example
By David Gwyther
There is increasing recognition that in order for a development project to proceed successfully, it must first obtain a ?social licence to operate? from concerned stakeholders. Obtaining this ?licenc
Jan 1, 2011
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K-07 – Results of Neptune Minerals 2007 Southern Kermadec Arc Exploration Program
By Justin C. I. Baulch, Robina Sharpe, Steven J. Downey, John P. Feenan, Kate M. Perrin
Since becoming a public company in October 2005, Neptune Minerals has continued to advance its primary aims. Major achievements in the last year have been: • Successful completion of two simultaneou
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Polymetallic Nodules In The Cook Islands EEZ - A Seabed Mineral Resource Of World Class Significance - Progress Towards Ultimate Development
By Darryl Thorburn
The Cook Islands are 15 islands located in the Southwest Pacific (between 8-23°S latitude and 156-167°W longitude). The total land area is about 200 km2. However, because its islands are widely scatte
Sep 14, 2011
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Finding Inactive And Sub-Seafloor Massive Sulfide Deposits In Deep Ocean Floors
By Fernando J. A. S. Barriga
Exploration for active seafloor hydrothermal vent fields has been highly successful, and more than 300 such fields have been discovered to date. Some will most probably be mined, given their high meta
Jan 1, 2011
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Darwinian Scale Deep Diving Expedition To The South Pacific Marking The 35th Year Of UMI
By Alexander Malahoff
An international research team working through the Hawai?i Undersea Research Laboratory (HURL) undertook a bold challenge to explore the chemistry, geology, mineral formation and superheated hydrother
Jan 1, 2005
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Characteristics of Hydrothermally Altered Wall Rocks from Modern Hydrothermal Fields
By C. W. Devey, K. S. Lackschewitz
The mineralogy and geochemistry of hydrothermally altered wall rocks from different modern basaltic- and felsic-hosted hydrothermal fields at seafloor spreading centers and convergent margins have bee
Aug 24, 2006