Titlebook: Economic Evaluations in Exploration; Friedrich-Wilhelm Wellmer Textbook 19891st edition Springer-Verlag Berlin Heidelberg 1989 Exploration

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書目名稱Economic Evaluations in Exploration影響因子(影響力)




書目名稱Economic Evaluations in Exploration影響因子(影響力)學(xué)科排名




書目名稱Economic Evaluations in Exploration網(wǎng)絡(luò)公開度




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ovation

N斯巴達(dá)人

Conversion of Geological Data into Mining Data for Ore Deposits,has been put on the market. The geological grades will seldom correspond with the grades of the mill head ore. As a rule the ore is diluted by inclusion of wall rock and losses occur during beneficiation. These factors have to be taken into account before revenues can be calculated.

加強(qiáng)防衛(wèi)

Calculation of the Net Smelter Return (NSR) of a Mine,es and ores are available, i. e. iron ore, tungsten, and antimony concentrates or “yellow cake”., U.O., the end product of uranium mines. These quotations are supplied by the price lists of the weekly “Metal Bulletin” or the “Engineering and Mining Journal”. Generally these prices are quoted in “uni

correspondent

optic-nerve

Comparison of Deposits,r in production or still in the preproduction stage. The best comparison is an eco nomic one. In the preliminary stage, however, when only order of magnitude para meters are available, other “semi-economic” methods of comparison are also used.

optic-nerve

變形詞

NAVEN

多山

Brian Klinkenberg,Keith C. Clarkeions are supplied by the price lists of the weekly “Metal Bulletin” or the “Engineering and Mining Journal”. Generally these prices are quoted in “units”, with 1 unit (1 u) being 1% of the metal in the concentrate (see Chap. 1.1.4.6). From this the net smelter return of the mine can easily be derived.