Marine mineral resources

Marine mineral resources can be used to distinguish between origin: the element of water, coastal zone, continental margins and deep-sea mineral resources area. Seawater Seventy several elements, although most of the elements of content is extremely low, so the water contained in the total element is quite large. The earliest human obtained from the sea mineral resources are salt, it is not only a necessity for life, it is a very important part of modern industrial raw materials, which, magnesium is often used as a light metal, it and the copper, zinc and other metals made of alloy, can be used in the manufacture of aircraft, rockets, electronic settings, such as spare parts, can also be used for anti-corrosion materials, sea water to extract the magnesium oxide, magnesium hydroxide and magnesium chloride compounds can be used as a refractory material, as well as for fertilizers and? edge materials. Mostly in the coastal sand deposits as the main mineral resources, there are ilmenite, magnetite, zircon, rutile, staurolite, cassiterite, monazite, diamond, gold and so on, by the wind, tides and coastal streams panning role, is easy to enrichment in the coastal zone. Marine mineral resources development, is still limited by technical, economic and environmental issues. Lack of resources on land now, how effectively the development of marine resources exploration and development is an important subject in the future.