The Resource Methods for calculating the minimum amortization tonnage and maximum present value for an ore body, by Garrett M. Sainsbury
Methods for calculating the minimum amortization tonnage and maximum present value for an ore body, by Garrett M. Sainsbury
Resource Information
The item Methods for calculating the minimum amortization tonnage and maximum present value for an ore body, by Garrett M. Sainsbury represents a specific, individual, material embodiment of a distinct intellectual or artistic creation found in University of MissouriKansas City Libraries.This item is available to borrow from all library branches.
Resource Information
The item Methods for calculating the minimum amortization tonnage and maximum present value for an ore body, by Garrett M. Sainsbury represents a specific, individual, material embodiment of a distinct intellectual or artistic creation found in University of MissouriKansas City Libraries.
This item is available to borrow from all library branches.
 Summary
 "The discussion is divided into three parts. Part I describes a procedure for determining the mining rate that gives the minimum amortization tonnage required of an ore body, and the amount of that tonnage. The basic idea is that amortization tonnage is equivalent to the estimated capital costs, including interest, divided by the estimated operating profit per ton. Both capital costs and operating profit per ton can be expressed as functions of mining rate by making use of empirical equations. Therefore, amortization tonnage can be expressed as a function of mining rate. The amortization tonnage is calculated for a series of mining rates, one of which will indicate a minimum tonnage. Part II describes a procedure for calculating the optimum mining rate to obtain maximum present value of an ore body, when mining rate is the only variable. An expression is derived which gives present value in terms of mining rate, and this expression is solved using various rates. The results are plotted, and the resulting graph will reveal a maximum present value at one mining rate. Part III shows how optimum operating conditions for maximum present value can be determined when mining method, mining sequence, milling method, cutoff, and mining rate are variable. The procedure consists essentially of calculating the present value for all practical combinations of the above variables, and selecting the combination that gives the highest present value. If desired, cutoff can be eliminated as one of the variables by making it equivalent to the operating and capital cost of mining a ton of ore"Abstract, page 7
 Language
 eng
 Extent
 1 online resource (62 pages)
 Note
 Vita
 Label
 Methods for calculating the minimum amortization tonnage and maximum present value for an ore body
 Title
 Methods for calculating the minimum amortization tonnage and maximum present value for an ore body
 Statement of responsibility
 by Garrett M. Sainsbury
 Language
 eng
 Summary
 "The discussion is divided into three parts. Part I describes a procedure for determining the mining rate that gives the minimum amortization tonnage required of an ore body, and the amount of that tonnage. The basic idea is that amortization tonnage is equivalent to the estimated capital costs, including interest, divided by the estimated operating profit per ton. Both capital costs and operating profit per ton can be expressed as functions of mining rate by making use of empirical equations. Therefore, amortization tonnage can be expressed as a function of mining rate. The amortization tonnage is calculated for a series of mining rates, one of which will indicate a minimum tonnage. Part II describes a procedure for calculating the optimum mining rate to obtain maximum present value of an ore body, when mining rate is the only variable. An expression is derived which gives present value in terms of mining rate, and this expression is solved using various rates. The results are plotted, and the resulting graph will reveal a maximum present value at one mining rate. Part III shows how optimum operating conditions for maximum present value can be determined when mining method, mining sequence, milling method, cutoff, and mining rate are variable. The procedure consists essentially of calculating the present value for all practical combinations of the above variables, and selecting the combination that gives the highest present value. If desired, cutoff can be eliminated as one of the variables by making it equivalent to the operating and capital cost of mining a ton of ore"Abstract, page 7
 Cataloging source
 UMR
 http://library.link/vocab/creatorDate
 1936
 http://library.link/vocab/creatorName
 Sainsbury, Garrett M.
 Degree
 M.S.
 Dissertation year
 1960.
 Granting institution
 University of Missouri. School of Mines and Metallurgy
 Illustrations
 illustrations
 Index
 no index present
 Literary form
 non fiction
 Nature of contents

 dictionaries
 bibliography
 theses
 http://library.link/vocab/subjectName

 Ores
 Mine valuation
 Minerals
 Label
 Methods for calculating the minimum amortization tonnage and maximum present value for an ore body, by Garrett M. Sainsbury
 Note
 Vita
 Bibliography note
 Includes bibliographical references (page 61)
 Carrier category
 online resource
 Carrier category code

 cr
 Carrier MARC source
 rdacarrier
 Content category
 text
 Content type code

 txt
 Content type MARC source
 rdacontent
 Control code
 959833761
 Extent
 1 online resource (62 pages)
 Form of item
 online
 Media category
 computer
 Media MARC source
 rdamedia
 Media type code

 c
 Other physical details
 illustrations.
 Specific material designation
 remote
 System control number
 (OCoLC)959833761
 Label
 Methods for calculating the minimum amortization tonnage and maximum present value for an ore body, by Garrett M. Sainsbury
 Note
 Vita
 Bibliography note
 Includes bibliographical references (page 61)
 Carrier category
 online resource
 Carrier category code

 cr
 Carrier MARC source
 rdacarrier
 Content category
 text
 Content type code

 txt
 Content type MARC source
 rdacontent
 Control code
 959833761
 Extent
 1 online resource (62 pages)
 Form of item
 online
 Media category
 computer
 Media MARC source
 rdamedia
 Media type code

 c
 Other physical details
 illustrations.
 Specific material designation
 remote
 System control number
 (OCoLC)959833761
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<div class="citation" vocab="http://schema.org/"><i class="fa faexternallinksquare fafw"></i> Data from <span resource="http://link.library.umkc.edu/portal/Methodsforcalculatingtheminimumamortization/J1poX4JfHDo/" typeof="Book http://bibfra.me/vocab/lite/Item"><span property="name http://bibfra.me/vocab/lite/label"><a href="http://link.library.umkc.edu/portal/Methodsforcalculatingtheminimumamortization/J1poX4JfHDo/">Methods for calculating the minimum amortization tonnage and maximum present value for an ore body, by Garrett M. Sainsbury</a></span>  <span property="potentialAction" typeOf="OrganizeAction"><span property="agent" typeof="LibrarySystem http://library.link/vocab/LibrarySystem" resource="http://link.library.umkc.edu/"><span property="name http://bibfra.me/vocab/lite/label"><a property="url" href="http://link.library.umkc.edu/">University of MissouriKansas City Libraries</a></span></span></span></span></div>