Search Documents
Search Again
Search Again
Refine Search
Refine Search
-
Hydrothermal Activity, Sea Level and Glaciation: Evidence of Correlation from the Atlantic SMS
By Alexey Musatov, Georgy Cherkashov
Based on geochronological data it was confirmed that hydrothermal discharge has an episodic character: active and inactive periods of the seafloor massive sulfides (SMS) formation alternate (Cherkasho
Jan 1, 2018
-
Mineralogy of Polymetallic Nodules in the Central Mexican Pacific (b0fead6b-fb77-4585-9d75-45915ccf5818)
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 forme d by iron and manganese
Sep 14, 2011
-
Hydrogenetic Fe-Mn Crusts From The Atlantic And Pacific Oceans: Geological Evolution And Conditions Of Formation (87b4258a-f4bd-41f2-89e2-6fee198dbc10)
By Irina A. Pulyaeva
Hydrogenetic Fe-Mn crusts are ubiquitous in the ocean basins and play an important role in marine mineral-deposit research because of their widespread occurrence and high concentrations of valuable an
Jan 1, 2011
-
Comparative Tests Of Scott/C-CORE And Van Veen Sampler For Biological Appraisal Of Placer Deposits
By William J. Scott
In the last two years, C-CORE has developed a new seabed sampler directed specifically at obtaining samples from hard or compacted bottoms such as are typical of marine placer deposits. Samples are re
Jan 1, 1994
-
Comparative Tests Of Scott/C-CORE And Van Veen Samplers For Biological Appraisal Of Placer Deposits
By William J. Scott
In the last two years, C-CORE has developed a new seabed sampler directed specifically at obtaining samples from hard or compacted bottoms such as are typical of marine placer deposits. Samples are re
Jan 1, 1994
-
Seabed Classification at Seafloor Hydrothermal Sulfides Fields Using Multi-beam Sonar
By Tao Chunhui
The seabed deposits type and distribution are very complex at the hydrothermal field. In this paper, we provided an approach to study the seabed deposits classification at the Precious Stone Mountain
Sep 14, 2011
-
Some Environmental Issues In Marine Mining, With Possible Resolutions
By Derek V. Ellis
This article is a summary, with documentation and references, of recent global developments in identifying environmental issues affecting the marine mining industry. It is recognised that marine minin
Jan 1, 2000
-
Melt Inclusions in Brothers Dacite Reveal Metal Transporting Mechanisms
By Ian J. Graham
Brothers volcano, in the southern Kermadec Arc, is host to two hydrothermal vent fields with very different geology, permeability, vent fluid compositions and mineralogy (see de Ronde et al. and Ditch
Jan 1, 2010
-
National Needs - Hard Mineral Dependencies
By Raymond Kaufman
While there is no immediate worldwide shortage of hard minerals, the consumption of natural resources is constantly increasing, and there are ominous predictions of shortages to come. Means of meeti
Jan 1, 1975
-
Road Map To Successful Commercial Deep Ocean Mining
By John Halkyard
Deep ocean mining is experiencing a rebirth following many years of low levels of activity. Large scale mining is being projected as just over the horizon. A lot has been made of the advances in deep
Jan 1, 2011
-
High Resolution Seafloor Imaging in the Southern Indian Ocean: Insights to Economic Mineral Distribution and Seafloor Ecology from Data Acquired in the Search for MH370
By Paul Kennedy, Daniel R. McConnell, Ruth Price
"The underwater search for the passenger aircraft MH 370 produced rare high resolution datasets of the ocean floor of extraordinary size and detail. The survey design and operations were for sole purp
Jan 1, 2017
-
The Impact Of Research Into Underwater Mineral Deposits On Mining Company Exploration Strategies.
By Burrows D. R.
Metal-rich sediments precipitating from hot saline brine pools were first discovered in 1965 in the Red Sea.1-2 The subsequent discovery of high temperature black smokers and associated massive sulphi
Jan 1, 2011
-
Contribution Of Seafloor Research To Land-Based VMS Exploration
By Gérald Riverin
Over the past century, exploration methods for volcanogenic massive sulphide deposits have evolved in response to a decreasing number of discoveries made by traditional surface prospecting and by grou
Jan 1, 1998
-
How to Identify Extinct Seafloor Massive Sulphides by Using OBS Seismic Data – A Case Study from the Blue Mining Project at the TAG Hydrothermal Field
By Mark Vardy, Kasia-Leigh Chidlow, Tim Minshull, Jeorg Bialas, Sven Peterson, Bramley Murton, Alba Gil
Since the discovery of the first black smoker on the East Pacific Rise in 1977 (Francheteau, et al., 1979), the hydrothermal vents, now called seafloor massive sulphides (SMS) deposits, have generated
Jan 1, 2017
-
Detailed Magnetic And Morphological Investigations Of The East Manus Basin And Planet Deep Section Of The New Britain Trench, Papua New Guinea
By Sang-Mook Lee
The Manus back-arc basin behind the New Britain Trench is one of the major sites of active seafloor hydrothermal vent-fields which are considered to be modern-day analogue of felsic volcanic-hosted po
Jan 1, 2000
-
Not Your Father's AUV: New Technologies That Will Transform Deep Sea Operations
By Carl L. Kaiser
This abstract discusses selected recent technology developments at the Deep Submergence Lab at the Woods Hole Oceanographic Institution aimed at fundamentally changing the nature and scope of AUV oper
Sep 14, 2011
-
Green Minerals from the Seabed
By David Huber, John Halkyard
Deep Reach Technology, Inc. recently completed a multi-year cooperative research project for the U S Army Research Laboratory for the purposes of investigating recovery of rare earth elements from the
Jan 1, 2017
-
Compositional Variation And Genesis Of Ferromanganese Crusts Of The Afanasiy-Nikitin Seamounts, Equatorial Indian Ocean
By V. K. Banakar
The occurrence of hydrogenous ferromanganese encrustations (Fe-Mn crusts) on the Cretaceous age Afanasiy-Nikitin Seamounts (ANS) in the eastern Equatorial Indian Ocean (EEIO) was first reported by Ban
Jan 1, 2005
-
Dating of Iron Oxide Crusts in the Study of Submarine Hydrothermal Events and Mineral Deposition ? Introduction
By Robert G. Ditchburn
The NW caldera hydrothermal vent field at Brothers volcano, of the Kermadec-Tonga arc, has associated massive sulfide mineralization. This includes an abundance of black smoker chimneys that contain s
Jan 1, 2010
-
The Definition of Morphotectonic Domains in the Clarion- Clipperton Zone (CCZ): A Step Closer to Understanding the Controls behind Nodule Mineralisation?
By John Parianos, Simon Richards
SUMMARY The Clarion Clipperton Zone (CCZ) hosts the most valuable deposit of polymetallic nodules yet discovered. Understanding the geology of this deposit is key to its effective exploration and mini
Jan 1, 2018