mined economically

См. также в других словарях:

• mine — I [[t]ma͟ɪn[/t]] PRONOUN USE ♦ PRON POSS: oft n of PRON Mine is the first person singular possessive pronoun. A speaker or writer uses mine to refer to something that belongs or relates to himself or herself. Her right hand is inches from mine …   English dictionary

• Platinum — This article is about the chemical element. For other uses, see Platinum (disambiguation). iridium ← platinum → gold Pd ↑ Pt ↓ Ds …   Wikipedia

• fossil fuel — Energy. any combustible organic material, as oil, coal, or natural gas, derived from the remains of former life. * * * Any of a class of materials of biologic origin occurring within the Earth s crust that can be used as a source of energy.… …   Universalium

• Mining feasibility study — A mining feasibility study is an evaluation of a proposed mining project to determine whether the mineral resource can be mined economically. There are three types of feasibility study used in mining, order of magnitude, preliminary feasibility… …   Wikipedia

• moon — mooner, n. moonless, adj. /moohn/, n. 1. the earth s natural satellite, orbiting the earth at a mean distance of 238,857 miles (384,393 km) and having a diameter of 2160 miles (3476 km). 2. this body during a particular lunar month, or during a… …   Universalium

• Moon — /moohn/, n. Sun Myung /sun myung/, born 1920, Korean religious leader: founder of the Unification Church. * * * Sole natural satellite of Earth, which it orbits from west to east at a mean distance of about 238,900 mi (384,400 km). It is less… …   Universalium

• Uranium ore —   Rock containing uranium mineralization in concentrations that can be mined economically, typically one to four pounds of U3O8 per ton or 0.05 percent to 0.2 percent U3O8.   U.S. Dept. of Energy, Energy Information Administration s Energy… …   Energy terms

• United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …   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

• coal mining — Coal was very important in the economic development of Britain. It was used as fuel in the factories built during the Industrial Revolution and continued to be important until the 1980s. The main coalfields are in north east England, the north… …   Universalium

• Germany — /jerr meuh nee/, n. a republic in central Europe: after World War II divided into four zones, British, French, U.S., and Soviet, and in 1949 into East Germany and West Germany; East and West Germany were reunited in 1990. 84,068,216; 137,852 sq.… …   Universalium