undersea mining

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• Mining in Papua New Guinea — Ok Tedi Mine Mining in Papua New Guinea is an important source for the Papua New Guinea economy. Contents 1 History 2 …   Wikipedia

• 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

• Undersea Trilogy — Infobox Book name = The Undersea Trilogy title orig = translator = image caption = Cover of the omnibus edition author = Frederik Pohl Jack Williamson illustrator = cover artist = David Mattingly country = United States language = English series …   Wikipedia

• undersea exploration — Introduction       the investigation and description of the ocean waters and the seafloor and of the Earth beneath. Primary objectives and accomplishments       Included in the scope of undersea exploration are the physical and chemical… …   Universalium

• 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

• Coal mining in the United Kingdom — Coalfields of the United Kingdom in the 19th century. Coal mining in the United Kingdom probably dates to Roman times and took place in many different parts of the country. Britain s coalfields are associated with Northumbria and Durham, North… …   Wikipedia

• tunnels and underground excavations — ▪ engineering Introduction        Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening …   Universalium

• Leviathan (film) — Infobox Film name = Leviathan image size = caption = Theatrical release poster director = George Pan Cosmatos producer = Charles Gordon Lawrence Gordon writer = David Peoples Jeb Stuart narrator = starring = Peter Weller Richard Crenna Amanda… …   Wikipedia

• List of main characters on seaQuest DSV — This is the complete list of main characters on seaQuest DSV. The series went through significant cast changes after every season it was on the air. This list contains only those characters that were given credit in the main titles (therefore,… …   Wikipedia

• Main characters of seaQuest DSV season 1 — This is the complete list of the main characters of seaQuest DSV season 1. The series went through significant cast changes after every season it was on the air. This list contains only those characters that were given credit in the main titles… …   Wikipedia

• Minería en el fondo del mar — La minería en el fondo del mar es un proceso de extracción mineral relativamente nuevo, que se da lugar en el fondo oceánico. Los yacimientos de minería oceánica se suelen hacer en torno a grandes áreas de nódulos polimetálicos o fuentes… …   Wikipedia Español