On the ocean floor lie vast quantities of mineral reserves. Among the primary mineral resources presently known are rich deposits of metalliferous mud and manganese nodules comprising zinc, copper, silica, lead, nickel, and cobalt and others such as phosphates. Common salt, magnesium, and bromine have long been extracted from sea water; sand and gravel, tin-bearing sands, magnetite sands and calcium carbonate are already being mined.
Weitere Kapitel dieses Buchs durch Wischen aufrufen
Dr. Ganpat Singh Roonwal
- Springer Berlin Heidelberg
- Chapter 1