Download or read book Application of Simulation in Evaluating Low grade Mineral Deposits written by Richard F. Hewlett and published by . This book was released on 1964 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Design of Drill hole Grid Spacings for Evaluating Low grade Copper Deposits written by Richard F. Hewlett and published by . This book was released on 1965 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Download or read book Report of Investigations written by and published by . This book was released on 1964 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Minerals Yearbook written by and published by . This book was released on 1964 with total page 1270 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Information Circular written by and published by . This book was released on 1966 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Statistical Analysis of Some Sample and Essay Data from Bedded Deposits of the Phosphoria Formation in Idaho written by Scott Wike Hazen and published by . This book was released on 1964 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Low temperature Phase Equilibria of a Natural Gas of Low Helium Content written by Will E. DeVaney and published by . This book was released on 1964 with total page 454 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Cumulative Title Index to United States Public Documents 1789 1976 written by Sandra K. Faull and published by Arlington, Va. : United States Historical Documents Institute. This book was released on 1979 with total page 608 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Bibliography of North American Geology written by and published by . This book was released on 1964 with total page 968 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Download or read book Geological Survey Bulletin written by and published by . This book was released on 1966 with total page 972 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Prerefining Pig Iron with a Vortex Cone written by Francis X. Tartaron and published by . This book was released on 1964 with total page 536 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Low temperature Heat Capacities and Entropies at 298 15 of Sulfides of Arsenic Germanium and Nickel written by John M. Gomes and published by . This book was released on 1964 with total page 586 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Monthly Catalog of United States Government Publications Cumulative Index written by United States. Superintendent of Documents and published by . This book was released on 1979 with total page 1250 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 1984 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Test Operation of a Pneumatic Vibrating blade Planer written by A. G. Sharkey and published by . This book was released on 1966 with total page 506 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Thermoelectric Properties of Yttrium Selenides and Tellurides written by Lindsay D. Norman and published by . This book was released on 1966 with total page 546 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Investigation of Correlation Between Assay Values and Unequal Sample Interval Lengths written by Scott W. Hazen and published by . This book was released on 1966 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
