Примеры использования Massive sulphide на Английском языке и их переводы на Русский язык
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The Migollas sulphide deposit contains massive sulphide.
II. Polymetallic massive sulphide deposits at the modern seafloor and their resource potential2.
The size of an area likely to contain this amount of massive sulphide is not known.
The three main massive sulphide mounds(TAG, MIR, Alvin) are located within an area of about 25 km2.
Large boulders, debris anddetrital material of various sizes of massive sulphide ores were recovered at all the stations.
The sea floor massive sulphide database has recently been updated with additional data from M/S Ambrose Associates, Ottawa, Ontario, Canada.
Despite this, the company has maintained its 100 per cent interest in 25 prospecting licences for sea floor massive sulphide deposits.
Summary presentations on polymetallic massive sulphide deposits and cobalt-rich ferromanganese crusts.
Results from exploration andenvironmental studies were discussed in relation to manganese nodules and massive sulphide deposits.
Tonnage model for 49"Cyprus-type" massive sulphide deposits, showing the range of sizes of deposits.
It is particularly notable thatNautilus Minerals has invested in the development of new target generation techniques and technology for locating and identifying sea floor massive sulphide deposits.
In the TAG Hydrothermal Field, the three main massive sulphide mounds(TAG, MIR, Alvin) are located within an area of about 25 km2 figure A3.
Marine mining in South Africa and Namibia(diamonds), Hawaii(Co-rich ferromanganese crusts), Alaska(gold),Papua New Guinea(seafloor massive sulphides) and Southeast Asia tin.
Sangster(1980) showed a similar distribution of orebodies in massive sulphide mining districts in Canada, which have an average of 12 deposits in an area of 84 km2.
Nautilus also made use of the mature technology being used by the DeBeers Group for diamond mining off the coast of Namibia and South Africa in developing its proposed mining equipment for seafloor massive sulphides.
The locations of all known mineral resources of the Area phosphorite, seafloor massive sulphides, polymetallic nodules, hydrocarbons and methane hydrate deposits.
Since 1979, polymetallic massive sulphide deposits have been found at water depths up to 3,700 m in a variety of tectonic settings at the modern seafloor, including mid-ocean ridges, back-arc rifts and seamounts.
These are polymetallic sulphides(also referred to as polymetallic massive sulphides or sea-floor massive sulphides) and cobalt-rich ferromanganese crusts.
Nautilus also made use of the mature technology being used for diamond mining by the DeBeers Group off the coast of Namibia and South Africa in developing its proposed mining equipment for sea floor massive sulphides.
In contrast, drilling of similar mound-like features at Escanaba Trough(270 m x 100 m)indicated that massive sulphide is restricted to a small area only 5 to 15 m deep Zierenberg and Miller, 2000.
Recent discoveries of hydrothermal plumes and massive sulphides in the high Arctic and in Antarctica confirm that seafloor hydrothermal activity in remote parts of the oceans is little different from that observed elsewhere.
In the first 100 days of its exploration campaign the company reported having identified high-grade seafloor massive sulphide deposits in the South Pacific around the Solomon Islands and Vanuatu.
Any mining operation for deep-sea massive sulphides should be preceded by a detailed study of the composition and broad-scale distribution of the vent and non-vent biota of the region and at the targeted vent sites.156.
In this regard, it was announced in February 2009 thatNautilus had identified and characterized a total of 10 new sea floor massive sulphide systems in waters under the jurisdiction of Tonga source: www. nautilusminerals. com.
A further award from the Endowment Fund is currently enabling a researcher from Papua New Guinea to perform research at Duke University in North Carolina,United States of America, to develop conservation strategies for sea floor massive sulphide ecosystems.
Cooperative research programmes over the last three decades have discovered occurrences of deep-sea minerals,such as polymetallic massive sulphides, cobalt-rich manganese crusts and polymetallic manganese nodules, within the EEZs of many PICs.
So-called Cyprus-type massive sulphide deposits have long been considered to be the best ancient analogs of polymetallic sulphides that occur on the mid-ocean ridges and in mature back-arc basin environments e.g., Hannington et al., 1998, and references therein.
In conjunction with its partner, Teck Resources, a major Canadian mining company,Nautilus has also discovered additional dormant sea floor massive sulphide deposits in the Bismarck Sea, bringing the total identified sites in this area to 18.
It is currently composed of the following core data sets:a sea floor massive sulphides database; a cobalt-rich ferromanganese crusts database; a polymetallic nodules database; a web-based GIS; the library catalogue; a bibliographic database; and a seabed patents database.
Meanwhile, the Legal and Technical Commission is expected to begin its consideration of environmental guidelines for future exploration contractors for deposits of sea floor massive sulphides and cobalt-rich ferromanganese crusts in the Area on the basis of the recommendations of the September 2004 workshop.