valuable ore

См. также в других словарях:

• Ore resources on Mars — Mars may contain valuable ores that will be very useful to future colonists.[1] The abundance of volcanic features together with widespread cratering are strong evidence for a variety of ores. [2] Contents 1 How deposits are made 2 …   Wikipedia

• Ore dressing — is one of the principal processes in the work of mining. It consists of separating economically valuable minerals from those with little or no value, or of separating valuable minerals from each other, so that they may be further processed, for… …   Wikipedia

• Ore grade — is a measure that describes the concentration of a valuable natural material (such as metals or minerals) in its surrounding ore. Ore grade is used to assess the economic feasibility of a mining operation: the cost of extracting a natural… …   Wikipedia

• ore — ► NOUN ▪ a naturally occurring material from which a metal or valuable mineral can be extracted. ORIGIN Old English, «unwrought metal» …   English terms dictionary

• ore dressing — noun crushing and separating ore into valuable substances or waste by any of a variety of techniques • Syn: ↑mineral extraction, ↑mineral processing, ↑mineral dressing, ↑ore processing, ↑beneficiation • Derivationally related forms: ↑beneficiate …   Useful english dictionary

• Ore — For other uses, see Ore (disambiguation). Iron ore (Banded iron formation) …   Wikipedia

• ore — I. noun Usage: often attributive Etymology: Middle English or, oor, partly from Old English ōra ore; partly from Old English ār brass; akin to Old High German ēr bronze, Latin aes copper, bronze Date: before 12th century 1. a naturally occurring… …   New Collegiate Dictionary

• Ore Mountain Toy Museum, Seiffen — The Ore Mountain Toy Museum in Seiffen, November 2006 The Ore Mountain Toy Museum in Seiffen (German: Erzgebirgische Spielzeugmuseum Seiffen) is an internationally known museum of Ore Mountain toys and Ore Mountain folk art. It was opened in 1953 …   Wikipedia

• Ore Mountain Museum — The Ore Mountain Museum on Große Kirchgasse in Annaberg The Ore Mountain Museum (German: Erzgebirgsmuseum) is a museum in Annaberg Buchholz in the German state of Saxony and located in the Ore Mountains of Central Europe. Its display includes… …   Wikipedia

• ore processing — noun crushing and separating ore into valuable substances or waste by any of a variety of techniques • Syn: ↑mineral extraction, ↑mineral processing, ↑mineral dressing, ↑ore dressing, ↑beneficiation • Derivationally related forms: ↑beneficiate …   Useful english dictionary

• ore dressing — n. Metall. the mechanical processes by which valuable minerals are separated from ore. [1860 65] * * * …   Universalium