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Mine sampling and valuing a discussion of the methods used in sampling and valuing ore deposits, with especial reference to the work of valuation by the independent engineer by C. S. Herzig

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Published by Mining and Scientific Press; [etc., etc.] in San Francisco .
Written in English


  • Mine examination,
  • Mine valuation

Book details:

Edition Notes

Statementby C. S. Herzig, with a chapter on Sampling placer deposits by Chester Wells Purington.
ContributionsPurington, Chester Wells, b. 1871.
LC ClassificationsTN272 .H4
The Physical Object
Pagination163 p.
Number of Pages163
ID Numbers
Open LibraryOL6565256M
LC Control Number14004561

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assigned to the decision outputs of mine planning is quite wide of the actual value that the decisions are creating. For instance, suppose that a truly optimized mine plan would generate $1, million in value. The actual mine plan may generate $ million in value, and yet be measured to generate $1, million in value because the value. Sampling and Mine Valuation courses for the Chamber of Mines Part A will consist of a three-hour written closed book theory examination paper; Dates will be determined by the Chamber of Mines. (Normally May and October). One very simple method of finding an approximate value of a book is to search for similar copies on and see what prices are being asked. is an online marketplace for new, used, rare and out-of-print books, and we have millions of secondhand and rare books listed for sale by booksellers around the world.   Condition means everything in a book's value. A book that has significant damage is likely not worth much. A book collector wants an attractive copy. Dust jackets. Most hard cover books published since the early 20th century were sold with a dust jacket. The dust jacket is both the most decorative part of a book, and the most delicate.

(3) Selects the sample, [Salant, p58] and decide on a sampling technique, and; (4) Makes an inference about the population. [Raj, p4] All these four steps are interwoven and cannot be considered isolated from one another. Simple random sampling, systematic sampling, stratified sampling fall into the category of simple sampling techniques. Sampling precision per period 93 Statistics for ore with an average grade of g/t 94 Suggested sampling protocol 95 Sampling precision per period for alternative protocol 97 Summary of sample parameters and liberation size   The values of "n" are a probability factor that attempts to associate the probability that any grain is the grain of value, in this case gold. The values of "d" are the diameter of the largest particle of ore to be sampled. I have found that it can be useful in sampling, when used by pesonnel that understand the ore, and sampling. Try the new Google Books. Check out the new look and enjoy easier access to your favorite features Mine valuation - pages. 0 Reviews. From inside the book percentage planimeter plant plotted profit Rand ratio recovery reef reef bands regression reserve blocks reserve mining revenue sample width sampler sampling value shortfall South.

Demonstrate an understanding of mine sampling with reference, but not limited to the definition, objectives, methods, intervals, basic principles, false values, sampling terminology. Demonstrate an understanding of the theory, principles and procedures associated with: Shaft reef intersections sampling. Dump sampling – rock, sand and slime dumps.   The essential guide to investing in mining opportunities, now in its Fourth Edition. A comprehensive guide to mining investment analysis designed for use by financial and mining analysts, executives, and investors, The Mining Valuation Handbook: Mining and Energy Valuation for Investors and Management has become an essential resource for assessing the value and investment potential Reviews: Metallurgical ContentSampling Methods & TechniquesSample Gold and Sulphide MineralsFactors to Consider when SamplingGeology Sampling GuidelinesGeological ReconnaissanceHow to Choose a Sampling MethodHow Many Samples and What Size Samples to CollectHow to Insure Sample RepresentativitySurface SamplingSampling Hand-dug ExcavationsSampling Machine-dug . This book gives a perspective on the international mining and metals industry, from historical details of mines and mining to the potential problems encountered in attempting to value a mining company. Chapters are devoted to accounting practices and taxation, providing valuable information on the financial aspects of mining.