seabed mining technology

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• Mining in New Zealand — began when the indigenous Māori quarried rock such as argillite in times prior to European colonisation.[1] Mining by Europeans began in the latter half of the 19th century. New Zealand has abundant resources of coal, silver, iron ore, limestone… …   Wikipedia

• technology, history of — Introduction       the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …   Universalium

• mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… …   Universalium

• International Seabed Authority — The International Seabed Authority (ISA) (French: Autorité internationale des fonds marins , Spanish: Autoridad Internacional de los Fondos Marinos ) is an intergovernmental body based in Kingston, Jamaica, that was established to organize and… …   Wikipedia

• Deep sea mining — is a relatively new mineral retrieval process that takes place on the ocean floor. Ocean mining sites are usually around large areas of polymetallic nodules or active and extinct hydrothermal vents at about 1,400 3,700 meters below the ocean’s… …   Wikipedia

• Timeline of diving technology — This is a timeline of underwater technology. The entries marked ## are about decompression tables.[1] Contents 1 Pre industrial 2 19th century 2.1 Rebreathers appear …   Wikipedia

• Manganese nodule — Polymetallic nodules, also called manganese nodules, are rock concretions on the sea bottom formed of concentric layers of iron and manganese hydroxides around a core. The core may be microscopically small and is sometimes completely transformed… …   Wikipedia

• Nii Allotey Odunton — Nii Allotey Odunton, a mining engineer from Ghana, is Secretary General of the International Seabed Authority, serving a four year term from January 1, 2009. Odunton has had more than 20 years of experience in the International Civil Service,… …   Wikipedia

• United Nations Convention on the Law of the Sea — For maritime law in general, see Admiralty law. United Nations Convention on the Law of the Sea Logo of the Convention Signed December 10, 1982 Location Montego Bay, Jamaica Effective November 16, 1994[1] …   Wikipedia

• Ocean thermal energy conversion — Temperature differences between the surface and 1000m depth in the oceans Ocean Thermal Energy Conversion (OTEC) uses the difference between cooler deep and warmer shallow or surface ocean waters to run a heat engine and produce useful work,… …   Wikipedia

• Hydrothermal vent — Marine habitats White smokers emitting liquid carbon dioxide at the Champagne vent, Northwest Eifuku volcano, Marianas Trench Marine National Monument Littoral zone …   Wikipedia