Application of Simulation in Evaluating Low-grade Mineral Deposits PDF Download
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Author: Richard F. Hewlett
Publisher:
ISBN:
Category : Assaying
Languages : en
Pages : 72
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Book Description
Author: Richard F. Hewlett
Publisher:
ISBN:
Category : Assaying
Languages : en
Pages : 72
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Book Description
Author: Richard F. Hewlett
Publisher:
ISBN:
Category : Boring
Languages : en
Pages : 54
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Book Description
This report describes how a limited number of preliminary exploration drill-hole assays from a mineral deposit can be used to design grid spacing that is both economic and efficient for subsequent evaluation drilling of that deposit. Relationships between desired precision of the estimate of grade of ore and drilling cost are used to determine the economic drill-hole spacing. The statistical concept of precision in estimating grade of ore is used to determine the efficient drill-hole spacing. Assay data from approximately 50 known copper deposits were studied, and the relationships of the statistical parameters of these deposits were computed. Drilling requirements for various precisions of the estimates of grade of ore were computed for some of these known deposits to serve as guides for drilling future copper deposits. The effect of various geologic factors on the trend in grade of ore and, therefore, on the drilling requirements is shown for certain deposits.
Author: Will E. DeVaney
Publisher:
ISBN:
Category : Helium
Languages : en
Pages : 454
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Author: John M. Gomes
Publisher:
ISBN:
Category : Aluminum
Languages : en
Pages : 586
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Author:
Publisher:
ISBN:
Category : Mineral industries
Languages : en
Pages : 392
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Book Description
Author: Scott Wike Hazen
Publisher:
ISBN:
Category : Phosphate mines and mining
Languages : en
Pages : 38
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Book Description
Author: Sandra K. Faull
Publisher: Arlington, Va. : United States Historical Documents Institute
ISBN:
Category : Reference
Languages : en
Pages : 608
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Book Description
Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 968
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Book Description
1919/28 cumulation includes material previously issued in the 1919/20-1935/36 issues and also material not published separately for 1927/28. 1929/39 cumulation includes material previously issued in the 1929/30-1935/36 issues and also material for 1937-39 not published separately.
Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 972
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Book Description
Author: Constantine C. Popoff
Publisher:
ISBN:
Category : Mines and mineral resources
Languages : en
Pages : 126
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Book Description
