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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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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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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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Chimney Massive Sulfides from the Vienna Woods Deposit (Bismarck Sea, PNG): Mineral Zonation and Geochemical Gradients
By Janine Lahr, Peter E. Halbach
The Manus Spreading Ridge is located within the EEZ of Papua New Guinea and lies in the Manus Basin ENE of the PNG Island and N of the Island New Britain. The divergent backarc spreading system is cau
Sep 24, 2006
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A Classification Society´s Experience with Subsea Mining
By Marco Figoni
The increased interest on deep water minerals resources is a challenge for both mining and oil industry. The exploration and production of oceans minerals require a synergy between of different techno
Sep 14, 2011
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Offshore Diamond Mining on the African West Coast
By Robert Goodden
It is well known that diamonds are found in Kimberlite pipes within the earth’s crust and are also discovered where erosion has released them to be concentrated by rivers in trap sites within alluvial
Sep 24, 2006
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Deep Seabed Resource Potential
By G. A. Gross
Technological development in the last two decades has provided access to the deep seabed and opened a new frontier for exploration. Interest in Canada has focused mainly on study of metallic mineral o
Jan 1, 1985
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Can Radium Isotopes Give Insight Into Volcanic And Hydrothermal Processes And The Sustainability Of Metal-Rich Sulfide Mineralization?
By Robert G. Ditchburn
Dating seafloor mineralization at hydrothermal centres of submarine arc volcanoes is important for understanding deep-seated volcanic events that can produce deposits rich in base and precious metals.
Jan 1, 2011
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Precious Metals In Seafloor Hydrothermal Deposits
By R. Moss
Gold and silver are important byproducts of mining volcanogenic massive sulfide (VMS) deposits. Both metals occur in VMS deposits ranging in age from the Archean to the currently forming massive sulfi
Jan 1, 2011
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Recent Developments In Offshore Diamond Mining In Southern Africa
By Richard H. T. Garnett
Diamonds were discovered on the coast of Namibia in 1907 but it was not until 1962 that the first gems were produced from offshore by a barge employing an airlift. Geophysical surveys and a sampling p
Jan 1, 1992
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Characterization Of Sand Mining Plumes
By N. Wang
The City of Honolulu mines sand from nearshore deposits for beach maintenance. The suction dredging operation creates a discharge plume which is carried by currents and other motions until it settles
Jan 1, 1991
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Comparative Investigations On Submarine Hydrothermal Mineralisation In The S.W. Pacific And Eastern Caribbean
By D. Cronan
Both the S.W. Pacific and Caribbean island arcs are host to submarine hydrothermal mineral deposits, the former more so than the latter. In the S.W. Pacific, the whole gamut of such deposits occurs o
Jan 1, 2002
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Nodules: Nineties & Beyond
By William Siapno
Manganese nodules, as metal ores, have for the most part been cast aside from further consideration within this century. However, in the decade of the 90s, rising demand at all levels of society, for
Jan 1, 1991
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Expected TTR Licence Approval and New Zealand Law Changes Ensure Chatham Marine Phosphate Project Has More Permitting Confidence
By R. K. H. Falconer, Wood R. A., C. D. Castle
"A deposit of phosphate nodules is on the Chatham Rise approximately 450 kilometres to the east of Christchurch in the South Island of New Zealand. The deposit contains sufficient rock phosphate to su
Jan 1, 2017
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Strategic Environmental Assessment Of Marine Sand And Gravel Extraction
By Terence Day
The traditional approach to mineral resource development is to identify the resource and then to undertake an environmental impact assessment of the effects of developing the resource. However, the tr
Jan 1, 1995
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Paleo-Latitude Of The Intertropical Convergence Zone During Late Cenozoic In The Pacific Manganese Nodule Belt
By Kiseong Hyeong
The Intertropical Convergence Zone (ITCZ), where the southeast and northeast trade winds converge, is the effective climatological barrier that separates the southern and northern hemispheres in terms
Jan 1, 2004
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Developing An Environmental Effects Monitoring Protocol For Small-Scale Marine Placer Mining: A Reconnaissance Survey Of Pine Cove, Bale Vertex Newfoundland
By Ian B. Clark
In October-November 1993, the Centre for Cold Ocean Resources Engineering, Memorial University of Newfoundland and University of Victoria jointly carried out reconnaissance surveys at Pine Cove, Baie
Jan 1, 1994
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Assessment Of The Rehabilitation Of The Sea-Bed Following Marine Aggregate Dredging
By Siân E. Boyd
Studies of benthic recolonization in the aftermath of marine aggregate dredging in the U.K. and elsewhere are limited and are largely confined to experimental circumstances. Investigations of the phy
Jan 1, 2002
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Impact Estimation Of Methane Hydrate Utilization On Atmospheric Carbon Emissions By Using Mass Balance Eco-Model
By Tetsuo Yamazaki
Natural methane hydrate has been scientifically studied as a global carbon reservoir. However, in Japan, it?s potential as an energy resource has been industrially highlighted, because there are few
Jan 1, 2004
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An Exotic Au- And Ag-Enriched Massive Sulfide Deposit From Mt. Jourdanne, Southwest Indian Ridge ? Composition And Genetic Implications
By P. Halbach
Hydrothermal activity is well known from many locations on most mid-ocean ridges, but no hydrothermally mineralized area had yet been found at the ultraslow spreading southwest Indian Ridge up to Octo
Jan 1, 2002