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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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Sediment Geochemistry Associated With Polymetallic Nodules In The Central Mexican Pacific ? Introduction
The chemical composition of the nodules varies with the type of manganese minerals and the size and characteristics of their nucleus, but those who have an economic interest have the following composi
Jan 1, 2011
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Preliminary Report: The Third Marine Kuroko-type Deposit in the Area 200 km2 of a Major Kuroko Province in Japan
By H. Shimoda, K. Tamaki, K. Iizasa, M. Watanabe, K. Okamura
Modern Kuroko-type deposits occur in submarine calderas of island-arc fronts and back-arc rifts in Japan. They occur primarily on or adjacent to caldera boundary faults. Hydrothermal sulfides in the M
Aug 24, 2006
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Design of a Subsea Vehicle Propulsion System for Soft Sediments
By Boris Broere, Wiebe Boomsma, Pieter Lucieer
"The Blue Nodules project started February 2016 as part of the EU Horizon 2020 subsidy program. Blue Nodules aims at developing a sustainable deep sea mining system for the harvesting of polymetallic
Jan 1, 2017
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Sediment Geochemistry Associated with Polymetallic Nodules in the Central Mexican Pacific
The chemical composition of the nodules varies with the type of manganese minerals and the size and characteristics of their nucleus, but those who have an economic interest have the following composi
Sep 14, 2011
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Deep-Sea Mineral Potential in the South Pacific Waters – The Results of the 21-year Long-term Japan/SOPAC Cooperative Deep-Sea Mineral Resources Study Programme, 1985-2005
By Nobuyuki Okamoto
The 21-year long-term Japan-SOPAC Cooperative Deep-sea Mineral Resources Study Programme was completed in March 2006. The Programme, which commenced in 1985, has seen numerous marine research surve
Sep 24, 2006
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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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Marine Diamond Mining - Now An Established Industry
By Richard H. T. Garnett
On the western continental shelf of southern Africa diamonds derived from onshore sources are concentrated in gravels within drowned terrestrial and marine geomorphological features. First discovered
Jan 1, 1998
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Risks In Marine Diamond Mining - Lessons From The Past And Present
By Richard H. T. Garnett
Marine mining on the continental shelf was first attempted in 1900 for gold off the beaches of Nome, Alaska. Attempts continued until 1990 with cutter-suction, airlift and bucket-ladder dredges. Off
Jan 1, 1998
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Optimized, Zero Waste Pyrometallurgical Processing of Polymetallic Nodules from the German CCZ License Area
By Carsten Rühlemann, David Friedmann, Bernd Friedrich, Thomas Kuhn
"This paper explores the option of direct reduction smelting of the nodules from the German license area in the equatorial NE Pacific in a submerged arc furnace (SAF). An optimized slag design is prop
Jan 1, 2017
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Gold Mineralization In The Marine Environment; A Possible Marine Mineral Exploration And Mining Target
By Thomas Pichler
In the past marine mining technology has focused on bulk mining of base metals from polymetallic massive sulfides. This has not been very successful because of the relatively low unit value of these m
Jan 1, 1993
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Shallow Submarine Hydrothermal Systems along the Tonga- Kermadec Arc, SW-Pacific: Geological and Metallogenetic Characteristics and Variabilities
By U. Schwarz-Schampera, P. Stoffers
The main characteristics of the 2545 km Tonga-Kermadec subduction system are the subduction of the Pacific Plate and its sedimentary cover in the Tonga-Kermadec trench and the extension and rifting o
Aug 24, 2006
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Sulphuric Acid Pressure Leaching Of The Matte Prepared From Deep-Sea Manganese Nodules
By Kyung-Ho Park
The smelting leaching process is known as one of the most favorite methods for the processing of deep-sea manganese nodules because of its smaller environmental impact and easiness of manganese recove
Jan 1, 2003
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Remote Drilling Technology
By Patrick J. C. Ryall
Remotely control led drills capable of being lowered to the sea-floor from ordinary research vessels have been developed over the past two decades. These drills are currently being used in geological
Jan 1, 1985
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Reconsideration of Fine-scale Dating of Ferromanganese Crusts for More Reliable Microstratigraphic Correlation
By H. Oda, L. E. Fong, K. K. McBride, B. P. Weiss, F. J. Baudenbacher, A. Usui
Fine-scale dating is a key parameter in characterizing the growth history of hydrogenetic ferromanganese crusts. We once compared several dating methods, micropaleontological (calcareous nanofossil),
Aug 24, 2006
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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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Current Plans And Activities By South Africa To Assess Marine Minerals Potential: An Update
By Peter M. Bartlett
The Republic of South Africa ranks among the world leaders in both reserves and production of numerous land-based mineral commodities. Over the last three decades, however, South Africa has also ident
Jan 1, 1986
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Some Questions Of The AUV Control In Surveying The Seamounts
By Mikhail D. Ageev
The paper concerns with some questions of Autonomous Underwater Vehicle (AUV) control system design, which allows a motion at rough undersea terrain. The AUV advantages reveal itself completely du
Jan 1, 2003
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A Study on Steering Characteristics of Pilot Mining Robot(MineRo II) on Extremely Cohesive Soft Soil
By Hyung-woo Kim
This paper concerns about steering characteristics of pilot mining robot, named MineRo II, crawling on extremely cohesive soft soil using dynamic simulation software. The MineRo-II for deep-seabed man
Sep 14, 2011
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Mineralogy Of Polymetallic Nodules In The Central Mexican Pacific
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 formed by iron and manganese o
Jan 1, 2011