Statistical Analysis of Assay Data from the Round Mountain Silver Prospect, Custer County, Colo PDF Download
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Author: George S. Koch
Publisher:
ISBN:
Category : Silver
Languages : en
Pages : 40
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Book Description
A statistical analysis of silver assay data from rotary-drill-hole cuttings and diamond-drill-hole cores from the Round Mountain prospect, Custer County, Colo., demonstrates several useful methods for estimating grades and tonnages of ore from the drilling of wide-spaced holes in disseminated deposits of precious metals. A new method of ore appraisal is introduced which estimates grade and tonnage of ore by calculating convex hulls (smallest convex polygons) for sample points with assay values above specified cutoff grades.
Author: George S. Koch
Publisher:
ISBN:
Category : Silver
Languages : en
Pages : 40
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Book Description
A statistical analysis of silver assay data from rotary-drill-hole cuttings and diamond-drill-hole cores from the Round Mountain prospect, Custer County, Colo., demonstrates several useful methods for estimating grades and tonnages of ore from the drilling of wide-spaced holes in disseminated deposits of precious metals. A new method of ore appraisal is introduced which estimates grade and tonnage of ore by calculating convex hulls (smallest convex polygons) for sample points with assay values above specified cutoff grades.
Author:
Publisher:
ISBN:
Category : Mineral industries
Languages : en
Pages : 660
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Author: United States. Bureau of Mines
Publisher:
ISBN:
Category : Mineral industries
Languages : en
Pages : 578
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Book Description
Author: T. O. Llewellyn
Publisher:
ISBN:
Category : Cyanite
Languages : en
Pages : 678
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Author: R. L. Wise
Publisher:
ISBN:
Category : Oil-shales
Languages : en
Pages : 684
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Book Description
Heat content studies were conducted on burned shale, spent shale, and three grades of raw oil shale from the Green River Formation. Corrections were made for product enthalpies. The results were compared with previous work, indicating good agreement below retorting temperatures, but some differences at retorting temperatures. A general equatoin was developed relating heat content to oil-shale grade and temperature.
Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1386
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Book Description
Author: United States. Superintendent of Documents
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 1290
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Book Description
February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index.
Author: United States. Superintendent of Documents
Publisher:
ISBN:
Category : United States
Languages : en
Pages : 1466
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Author:
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ISBN:
Category : Geology
Languages : en
Pages : 512
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Author: American Geological Institute
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 512
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Book Description
