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Showing: 1 to 10 of 253 matches for "Undercut and Fill Productivity"  Page   1   2   3   4   5   6   7   8   9  next TITLE Blasthole Mining In Poor Ground Conditions At Magma Copper -Superior Division  SUMMARY ... has been made to improve the undercut-and-fill stoping method ... This modernization has significantly improved the productivity increasing productivities into ... AUTHOR Donison, D. PUBLISHED 1994 TITLE Cost Calculations for Underhand Cut-and-Fill Mining  SUMMARY ... Stope crew size 3 Productivity, st/ miner shift 9.5 ... Page 4. UNDERCUT-AND-FILL MINING Table 2. Underhand Cut-and-Fill Stoplng Sand Filllng Cost, 10-Ft' Vein ... AUTHOR Pugh, Gordon M. ; Rasmussen, David G. PUBLISHED 1982 TITLE Small Scale Mechanized Cut And Fill Mining: Innovations Equal Productivity  SUMMARY ... Small Scale Mechanized Cut and Fill Mining: Innovations Equal Productivity ... Upon completion of each undercut drift, the scale of the mining ... under the fill cover ... AUTHOR Guill, R. W. PUBLISHED 1988 TITLE Undercut-and-Fill Mining as Practiced by Homestake Mining Co., Creede, CO  SUMMARY ... Productivity, to a large degree, is dependent upon ... uncemented portion of the sand fill and varies ... Major supplies consumed during undercut stope pro- duction ... AUTHOR Winters, A. S. PUBLISHED 1982 TITLE Undercut And Fill Mining At Magma’s Superior Division  SUMMARY ... Page 5. "Substantial improvement in productivity has been realized where the undercut and fill mining system has been applied." muck out. ... AUTHOR Murray, Joseph W. PUBLISHED 1973 TITLE Contracts at ZC/NBHC Mines  SUMMARY ... The Type 2 contract applied to tinIDer and undercut-and-fill stoping has ... of the stoping miners has increased in line with their inproved productivity of 26 ... PUBLISHED 1985 TITLE Undercut-and-Fill Stoping for Rock Burst Control  SUMMARY ... The Phase I study indicated undercut-and-fill stoping could be a ... During Phase 11, the method was tested in an operating mine, and productivity, relative cost ... AUTHOR Jenkins, F. Michael ; Dorman, K. Robert PUBLISHED 1984 TITLE Mechanization of Rock Drilling at Inco  SUMMARY ... The productivity in these stopes rose to 23 tons per man shift from an average of 15 for non- mechanized undercut-and-fill stopes. ... AUTHOR Green, G. R. ; McDonald, R. C. PUBLISHED 1972 TITLE Undercut-and-Fill Mining at Falconbridge Mine of Falconbridge Nickel Mines Md.  SUMMARY ... While primarily used for poor ground conditions, some undercut-and-fill stopes have achieved productivity efficiencies and costs com- parable to cut-and-fill ... AUTHOR Tims, S. A. PUBLISHED 1982 TITLE Raise Boring At The International Nickel Company Of Canada, Limited Ontario Division  SUMMARY ... and undercut-and-fill. Raiseboring ... productionhadtobe accomplishedthroughincreasing productivity intonsperman shiftinevery phaseoftheoperation. ... AUTHOR Taylor, W.J. ; England, J.R. PUBLISHED 1974 Showing: 1 to 10 of 253 matches for "Undercut and Fill Productivity"  Page   1   2   3   4   5   6   7   8   9  next Search Again