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Engineers at the Bureau of Mines Denver Mining Research Center have been a research program investigating the theory and application of mine sampling. Part of this program is an investigation of the efficiency of sampling methods that involves development of sampling-method theory through simulating ore-deposit samples and assays, using - electronic digital computer. Theoretical developments are checked against actual ore-deposit sampling, assay, and production data by the commonly used polygonal and triangular methods of computing grade and tonnage of ore reserves. To speed the computing procedures, a program has been developed utilizing a medium-size digital computer for computing ore reserves by the polygonal method. This program calculates nine prismoids per minute at a total cost of $0.21 per prismoid. The complete program, written for an augmented IBM 650 computer, is described in detail; it can be used without change for computing ore reserves for a low-grade deposit. Modifications necessary to convert the program to compute ore reserves for virtually any other type of deposit or grouping of ore horizons also are given; however, the program is limited to using only vertical drill-hole data.
Book Synopsis Computing Ore Reserves by the Polygonal Method Using a Medium-size Digital Computer by : Richard F. Hewlett
Download or read book Computing Ore Reserves by the Polygonal Method Using a Medium-size Digital Computer written by Richard F. Hewlett and published by . This book was released on 1962 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: Engineers at the Bureau of Mines Denver Mining Research Center have been a research program investigating the theory and application of mine sampling. Part of this program is an investigation of the efficiency of sampling methods that involves development of sampling-method theory through simulating ore-deposit samples and assays, using - electronic digital computer. Theoretical developments are checked against actual ore-deposit sampling, assay, and production data by the commonly used polygonal and triangular methods of computing grade and tonnage of ore reserves. To speed the computing procedures, a program has been developed utilizing a medium-size digital computer for computing ore reserves by the polygonal method. This program calculates nine prismoids per minute at a total cost of $0.21 per prismoid. The complete program, written for an augmented IBM 650 computer, is described in detail; it can be used without change for computing ore reserves for a low-grade deposit. Modifications necessary to convert the program to compute ore reserves for virtually any other type of deposit or grouping of ore horizons also are given; however, the program is limited to using only vertical drill-hole data.
Book Synopsis Computing Ore Reserves by the Triangular Method Using a Medium- Size Digital Computer by : Richard F. Hewlett
Download or read book Computing Ore Reserves by the Triangular Method Using a Medium- Size Digital Computer written by Richard F. Hewlett and published by . This book was released on 1963 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Comparison of the Triangular, Polygonal, and a Statistical Method of Computing Grade and Tonnage of Ore for the Silver Bell Oxide Porphyry Copper Deposit by : Richard F. Hewlett
Download or read book Comparison of the Triangular, Polygonal, and a Statistical Method of Computing Grade and Tonnage of Ore for the Silver Bell Oxide Porphyry Copper Deposit written by Richard F. Hewlett and published by . This book was released on 1970 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Basic Computer Program for Computing Grade and Tonnage Or Ore Using Statistical and Polygonal Methods by : Richard F. Hewlett
Download or read book A Basic Computer Program for Computing Grade and Tonnage Or Ore Using Statistical and Polygonal Methods written by Richard F. Hewlett and published by . This book was released on 1963 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Computing Reserves of Mineral Deposits by : Constantine C. Popoff
Download or read book Computing Reserves of Mineral Deposits written by Constantine C. Popoff and published by . This book was released on 1966 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Report of Investigations written by and published by . This book was released on with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Preparation Characteristics of Coal from Tazewell County, Va by : Louis B. Pankratz
Download or read book Preparation Characteristics of Coal from Tazewell County, Va written by Louis B. Pankratz and published by . This book was released on 1963 with total page 684 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Modifications in Bomb Reduction of Vanadium Oxide by : Carl J. Chindgren
Download or read book Modifications in Bomb Reduction of Vanadium Oxide written by Carl J. Chindgren and published by . This book was released on 1963 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Noise from Pneumatic Rock Drills by : William C. Miller
Download or read book Noise from Pneumatic Rock Drills written by William C. Miller and published by . This book was released on 1963 with total page 650 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Heats and Free Energies of Formation of Vanadium Nitride and Vanadium Carbide by : Albert J. Rambosek
Download or read book Heats and Free Energies of Formation of Vanadium Nitride and Vanadium Carbide written by Albert J. Rambosek and published by . This book was released on 1963 with total page 570 pages. Available in PDF, EPUB and Kindle. Book excerpt:
