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Zinc-Lead-Silver-Gold-Rich Barite Deposits In East Diamante Caldera, Mariana Volcanic Arc
By J. R. Hein
East Diamante is a submarine volcano in the southern Mariana arc that is a complex caldera about 10 km x 5 km (elongated ENE-WSW), and breached on its northern and southwestern sectors. A large field
Jan 1, 2011
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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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Namco: Progression Through Sampling to Full Scale Diamond Production Offshore Namibia
By Roger J. Daniel
Major interest and investment in southern Africa's west coast diamond deposits have resulted in the development of various tools for sampling and mining in the varied geological conditions encoun
Jan 1, 1998
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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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Inner Shelf And Beach Seashell Resources In Southern Brazil
By Lauro Calliari
Detailed geological studies using side scan sonar, bottom sampling and piston cores along the Rio Grande do Sul inner continental shelf and coastline indicate the occurrence of elongate deposits of ca
Jan 1, 1995
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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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Relative Assessments Of Manganese Nodules And Co-Rich Crusts In South Pacific EEZ's
By D. S. Cronan
Studies on polymetallic manganese nodules and Co-rich crusts in the EEZ's of the Cook, Line, Ellice and Phoenix Islands between 0-20°S show that Ni and Cu reach their greatest combined abundances
Jan 1, 1989
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The Status Of Marine Minerals Research Worldwide
By Michael J. Cruickshank
Marine minerals are more than an academic curiosity as they represent the most significant global source of mineral materials for economically and ecologically sustainable development for the future.
Jan 1, 1996
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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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Geochemistry Of Rare Earth Elements In Hydrothermal Sediments
By Robert M. Owen
The rare earth elements (REE1s; atomic number 57 -71) exhibit a coherent chemistry, are widespread in nature, and tend to occur in characteristic concentrations in different geochemical phases. Becaus
Jan 1, 1989
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Deep-Sea Mining Impacts above the Surface: Quantifying the fuel consumption and associated air pollution of a potential commercial deep-sea manganese nodule mining operation in the Clarion-Clipperton Zone
By Andrea Koschinsky, Luise Heinrich
(for an oral presentation) Activities for preparing future deep-sea mining offer the unique opportunity to study environmental conditions and anticipate adverse environmental impacts prior to the comm
Jan 1, 2018
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Seafloor Features In Urals Massive Sulfide
By V. Zaykov
The Urals massive sulfide deposits are concentrated in Silurian -Devonian fold belt extending for 1500 km with length from 50 to 150 km. By paleodynamic reconstmction it is established that they were
Jan 1, 1993
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A Study on Processing of Seafloor Massive Sulphides from the Loki’s Castle Area at the Arctic Mid-Ocean Ridge
By Kurt Aasly, Przemyslaw B. Kowalczuk, Rolf Arne Kleiv
Seafloor massive sulphides (SMS) can serve as a potential resource of metals such as Cu, Zn, Au and Ag. SMS rock samples from the Loki’s Castle area at the Arctic Mid-Ocean Ridge are comprised of sulp
Jan 1, 2018
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Boiling Fluids And Unusual Mineral Deposits From Hydrothermal Vents At The South Mid-Atlantic Ridge ? Results Of Meteor Cruise M64/1
By Andrea Koschinsky
Numerous hydrothermal vents occur along the Earth?s oceanic spreading axes documenting the reaction of seawater with hot magmatic rocks. The circulation of seawater through the oceanic crust, the inte
Jan 1, 2005
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The Seabed Sampling Mobile Apparatus
By ?. V. Kabanov
n considered operation hydraulic and kinematic circuits of deep-water installation for sampling a ground from a sea-bottom are submitted. Control by setters is made remotely from a service station wit
Jan 1, 2005
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Application Of High Resolution Element Analysis Of N-E Pacific Sediments
By In Kwon Um
The XRF Core-Scanner system performs non-destructive analysis of elements from Mg to U, in concentrations of ppm levels on split cores with digital images. Using the AVAATECH XRF Corescanner system, w
Jan 1, 2011
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The Selection Of The Benthic Environmental Impact Testing Site In The Korea Contracted Area, Clarion-Clipperton Zone
By Sang Bum Chi
In order to better predict and manage benthic disturbance by deep seabed manganese nodules mining, we needed to conduct a benthic disturbance experiment at the selected area, which has a similar envir
Jan 1, 2011
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How to Increase Economy of Seafloor Massive Sulfide Mining
By Tetsuo Yamazaki
Seafloor massive sulfides have been a subject of interest for profitable commercial mining these ten years. Because of the higher Au, Ag, and Cu contents, they have received much attention as immedia
Jan 1, 2010