What is a mine answer?
Mining is the extraction (removal) of minerals and metals from earth. Manganese, tantalum, cassiterite, copper, tin, nickel, bauxite (aluminum ore), iron ore, gold, silver, and diamonds are just some examples of what is mined.
Are there still underwater minefields?
Parts of some World War II naval minefields still exist because they are too extensive and expensive to clear. Some 1940s-era mines may remain dangerous for many years.
What happened Sago Mine?
The Sago Mine disaster was a coal mine explosion on January 2, 2006, at the Sago Mine in Sago, West Virginia, United States, near the Upshur County seat of Buckhannon. The blast and collapse trapped 13 miners for nearly two days; only one survived.
How does a mine work?
It involves drilling a section of ore at the very bottom of the deposit and then blasting to make the roof collapse. Gravity then takes over, as the ore above the blast site fractures and collapses in succession as support is withdrawn. The collapsed ore is hauled out the mine for processing [source: Great Mining].
Why do we mine?
Mined materials are needed to construct roads and hospitals, to build automobiles and houses, to make computers and satellites, to generate electricity, and to provide the many other goods and services that consumers enjoy. In addition, mining is economically important to producing regions and countries.
What are minefields?
Definition of minefield 1 : an area (as of water or land) set with mines. 2 : something resembling a minefield especially in having many dangers or requiring extreme caution a political minefield.
What is landmine in ROTC?
Landmines are a victim-activated explosive device, usually deployed discreetly on, or just below, the surface. They are generally divided into: anti-personnel and anti-vehicle.
What is mining explain?
Mining is the process of extracting useful materials from the earth. Some examples of substances that are mined include coal, gold, or iron ore. Iron ore is the material from which the metal iron is produced. The process of mining dates back to prehistoric times.
What is mine mine?
Prov. A humorous way of saying, “Everything belongs to me.”; (A jocular variant of “What’s yours is mine, and what’s mine is yours,” an expression of generosity.)
Are there still land mines from ww2?
Live naval mines from World War II are still occasionally found in the North Atlantic and the Baltic Sea, and are also destroyed.