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Showing: 1 to 10 of 141 matches for "calculation dilution drift fill"  Page   1   2   3   4   5   6   7   8   9  next TITLE High-Efficiency Assessment and Valuation of Underground Mining Methods  SUMMARY ... expected the 2"6 version produces higher dilution and less ... a question such as "what happens if drift width is ... want to do the same calculation for say 10 more ... AUTHOR Oberndorfer, Thomas PUBLISHED 1996 TITLE Thermal Fragmentation û An Innovative Process for Mining Narrow High-Grade Precious Metal Veins  SUMMARY ... if needed, on the footwall of the overcut drift to permit ... Tonnage calculation of a 40 m by 20 m ore ... width (m) – final result 0.5 1.8 Planned dilution 0% 260 ... PUBLISHED 2008 TITLE Sampling, Dilution, And Recovery  SUMMARY ... 8. Calculation of mining dilution ... SAMPLING, DILUTION, AND RECOVERY ... a drill hole, the cuttings normally are allowed to run onto the floor of the drift until the ... AUTHOR Tapp, C. Alan PUBLISHED 1982 TITLE Economic Investigations on Sub-Level Stoping with Consolidated Rockfill  SUMMARY ... high dilution occurs, depending on the size of the drift. ... as are costs for equipment, productivity, dilution and others ... A COMPUTER PROGRAM FOR COST CALCULATION ... AUTHOR Heidecks C PUBLISHED 1995 TITLE Sublevel Carving – Introduction  SUMMARY ... ore floods further back into the drift than was ... in poor recovery and late cutoff results in excessive dilution. ... This is an economic calculation based on the par ... AUTHOR Cokayne, E. W. PUBLISHED 1982 TITLE Cost Calculation for Horizontal Cut-and-Fill Mining  SUMMARY ... Cost Calculation for Horizontal Cut-and-Fill Mining * ... results for maximum recovery with minimum dilution of ore ... the development of the haulage drift within the ... AUTHOR Pugh, Gordon M. ; Rasmussen, David G. PUBLISHED 1982 TITLE Recent Developments and Applications of Bulk Mining Methods in the Peoples Republic of China  SUMMARY ... cut-and-fill, ... There is a considerable variation in ore recovery, dilution and produc- tivity ... The double column, mounted with a YG-80 drift - erdrill , is used ... AUTHOR Chen, Jun-Yan ; Boshkov, Stefan H. PUBLISHED 1981 TITLE Design In Weak Rock Masses: Nevada Underground Mining Operations  SUMMARY ... research has enabled the amount of dilution to be ... following equation was employed for calculation of parameters ... 3.7 3.0 8.3 Cemented rockfill drift and fill ... AUTHOR Brady, Tom ; Pakalnis Rimas ; Clark, Lyndon TITLE Economic Aspects on Hole Deviation in Sublevel Stoping  SUMMARY ... First of all the bore hole datas are concerned but also such factors as develop- ment, loss of ore and waste rock dilution are influenced. ... Waste rock dilution ... AUTHOR Almgren, Gunnar PUBLISHED 1981 TITLE Ventilating A Long, Deep-Level Exploration Drift  SUMMARY ... timely completion of the drilling program and calculation of reserves ... returned to 6 Winze where the dilution ratio is ... VENTILATING A DEEP-LEVEL EXPLORATION DRIFT ... AUTHOR Marks, John R. PUBLISHED 1991 Showing: 1 to 10 of 141 matches for "calculation dilution drift fill"  Page   1   2   3   4   5   6   7   8   9  next Search Again