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Latitudinal Changes In Fe-Mn Oxide Crust Chemistry: Detailed NW-SE Transect Of The Equatorial Pacific, Marshall Islands To Samoa
By James R. Hein
A new data set of cobalt-rich ferromanganese (Fe-Mn) crust chemistry has been completed for the first detailed sampling of a latitudinal crossing of the Pacific equatorial zone of high biological prod
Jan 1, 2003
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Sand Mining On U.S. Continental Shelves: Exploration And Exploitation For Shore Protection And Environmental Restoration - Introduction
By Charles W. Finkl
Coastal and marine aggregate (sand and gravel) mining on US continental shelves is a major activity that supplies industrial and commercial demands for these raw materials. Because Pacific, Atlantic,
Jan 1, 2005
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New Approaches To Mineral Exploration Off The Southwest Pacific Island Nations
By D. S. Cronan
Mineral exploration problems in the S.W. Pacific are not unique to that region, but a combination of favourable circumstances render it an ideal area to attempt to solve such problems. The land are
Jan 1, 1985
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Inferred Genesis Of Each Textural Zone In Ferromanganese Nodules From Campbell Drift SW Pacific ? Introduction
By Se-Won Chang
This is a part of the joint KIGAM-GNS-NIWA 3-year study of ferromanganese nodules on the Campbell Drift, east of Campbell Plateau to determine age distribution, growth rates and geochemical evolution
Jan 1, 2003
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An Integrated Approach To The Assessment Of Anthropogenic Disturbance At Marine Sand & Gravel Extraction Sites
By D. S. Limpenny
Marine benthic habitats are vulnerable to the influence of a wide range of anthropogenic activities (e.g. sand and gravel extraction, dredged material disposal and trawling). Traditionally, benthic e
Jan 1, 2004
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Geomicrobiology: A New Interdisciplinary Field Linking Microorganisms, Minerals And Rocks In Geothermal And Hydrothermal Systems
By Alexander Malahoff
Field observations and sampling of land-based and submarine hydrothermal and geothermal sites show a definite link between the geological setting, fluid geochemistry and specialized assemblages of mic
Jan 1, 2004
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Permeability and Fault Control on Seafloor Massive Sulfide Deposits in the Lucky Strike Hydrothermal Field (Mid-Atlantic Ridge) Using Leapfrog Geo Software
By Dennis Sánchez Mora, John Jamieson
INTRODUCTION Work by Humphris et al., (2002); Ondréas et al., (2009); Barreyre et al., (2012); and Escartín et al., (2015) has identified active and inactive hydrothermal sites along the Lucky Strike
Jan 1, 2018
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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, 2011
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A New Concept Of Easy Pre-Site Survey Method Of Deep Sea Hydrothermal Deposits
By Shinichi Takagawa
The deep sea hydrothermal deposits are one of the most prospecting resources, and various works to develop these mines are now underway. There are also various methods for the pre-site survey of th
Jan 1, 2011
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Sulfur And Lead Isotope Compositions Of Hydrothermal Chimneys From The North Fiji Basin: Implications For Formation Of Black And White Smokers
By Jonguk Kim
Hydrothermal sulfides were recovered from the16°50?S triple junction area in the North Fiji Basin, at a water depth of ca. 1900 m. The chimney samples can be divided into three groups according to the
Jan 1, 2005
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Magmatic Fluids In Seafloor Volcanic Rocks: An Enriched Metal Source For 'Giant' Ore Deposits?
By Kaihui Yang
Volcanogenic massive sulfide deposits are generally considered to have been formed by hydrothermal fluids that leach ore metals out of footwall rocks. However, the necessity for a metal-rich magmatic
Jan 1, 2011
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Resource/Reserve Estimation Of Marine Diamond Deposits
By Luc Rombouts
The resources and reserves calculation of marine diamond deposits should be based on a systematic sampling grid. The distribution of the sample grade results tends to be very skew and has a large vari
Jan 1, 1998
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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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Optimization And Economic Efficiency Evaluation Of Manganese Nodule Carrier Using Genetic Algorithms
By Jae-Hyung Park
Since the Industrial Revolution, the land resources have been decreased rapidly as the industrialization. And this phenomenon brings to our mind an interest in deep-sea resource(manganese nodule). Hen
Jan 1, 2003
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A Multidisciplinary Field Study of Cobalt-Rich Crusts, Tropic Seamount, North-East Atlantic: Marine E-Tech
By Mark Lee, Isobel Yeo, Sarah Howarth, Christian Millo, Javier González Sanz, Paul Lusty, Bramley Murton, Pierre Josso
"Seafloor cobalt-rich ferromanganese crusts represent the most important yet least explored resource of ‘E-tech’ elements on the planet (Hein et al. 2003; ISA, 2008; Hein et al. 2010; Hein et al. 2013
Jan 1, 2017
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Evolution of Geotechnical Properties in Hydrothermal Sulfide Mounds, The Reveal of a Maturation Threshold - Introduction
By Benoît Waquet
In a context of scarce mineral resources, coupled with an increasing global demand in metals due to the exponential growth of newly industrialized countries, the mining industry will inevitably have t
Jan 1, 2010
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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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Devonian Fe-Mn Nodules of the Ural Paleoocean - Introduction
By N. R. Ayupova
Several metallogenic zones including Sakmara, Magnitogorsk, and East-Ural zones were revealed in the Ural fold belt (Fig. 1). These zones are considered to be the paleogeodinamic sectors corresponding
Jan 1, 2010
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Mineralogy and Chemistry of Ferromanganese Nodules in the Campbell Nodule Field
By Hunsoo Choi, Sung Rock Lee, Ian J. Graham, Ian C. Wright
This is a part of the joint KIGAM-GNS-NIWA 3-year study of ferromanganese modules in the Campbell Nodule Field, east of Campbell Plateau to determine age distribution, growth rates and geochemical evo
Aug 24, 2006
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Mineralisation Associated with Submarine Volcanoes of the Southern Kermadec Arc, New Zealand
By Ian J. Graham, Cornel E. J. de Ronde
New Zealand lies astride a convergent plate boundary that extends north-eastwards from the Taupo Volcanic Zone (TVZ) to Tonga. This boundary is marked by the Kermadec arc, c. 1200 km of which falls wi
Aug 24, 2006