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Showing: 1 to 10 of 60 matches for "jackleg stopes"  Page   1   2   3   4   5   6 TITLE Conventional Small Drilling Equipment  SUMMARY ... 65) Heavy Over 30 (65) Jackdrill Cylinder Medium 6066 (2.4-2.61 or Jackleg bre , Heaw ... 4.0-12.0) Shaft sinking 1.2-3.7 (4.0-12.0) Small drifts or stopes 1.2-3.7 ... AUTHOR Kurt, E. H. PUBLISHED 1982 TITLE Rock Bursts at Hecla: A Personal Experience  SUMMARY ... Once there, we paired off with our own partners and walked to our stopes. ... dirty, or “oily day,” conditions you would expect if you were fighting a jackleg ... AUTHOR Dolph, Jerry PUBLISHED 1994 TITLE Grade Control at the Highland Underground Uranium Mine  SUMMARY ... jackleg fans, and (2) beta- gamma and x-ray assays of grab samples taken from muckpiles and channel samples taken from the face and ribs of drifts and stopes. ... AUTHOR Perry, Harry A. PUBLISHED 1980 TITLE Drilling Practice- Five Years Of Revolution  SUMMARY ... Drilling Equipment in Stopes Several years of testing has shown that tungsten carbide ... a lightweight, hardhitting machine is needed for use in the jackleg setup ... PUBLISHED 1954 TITLE Undercut-and-Fill Mining as Practiced at Magma Copper Co., Superior, AZ  SUMMARY ... Data for Flrst Seven Months 1976 for Multlpie Face Stopes Uslng LHD ... tonslrnanshift including sand filling cycle 12.16 Equipment used Jackleg drills Cavo 310 ... AUTHOR Florez, Frank PUBLISHED 1982 TITLE Undercut-and-Fill Mining as Practiced by Homestake Mining Co., Creede, CO  SUMMARY ... 762 to 1270-mm (30 to 50-in.) scrapers, 67-mm (2%-in.) jackleg drills, as well as other drilling and blasting supplies. In narrow stopes [generally less than 2 ... AUTHOR Winters, A. S. PUBLISHED 1982 TITLE Virtual Reality Simulator For Training Miners To Install Rock Bolts Using Jackleg Drill  SUMMARY ... approach allows the designation of interior rooms and corridors representing stopes and drives ... Figure 1. A Screen View Showing Major Parts of a Jackleg Drill. ... AUTHOR Nutakor, D. ; Apel, D. ; Grayson, L. ; Hilgers, M. ; Hall, R. ; Warmbrodt, J. PUBLISHED 2007 TITLE Underground Diesel Use – Homestake Mining’s Experience  SUMMARY ... OCF mining relied on jackleg and wagon drilling, electric and com- pressed air slushing ... one of Homestake Mining’s best mechanized cut-and-fill stopes (37-43 ... AUTHOR Marks, John R. PUBLISHED 1993 TITLE Evaluation Of The Potential Of Mining With Water-Powered Jackleg Drills  SUMMARY ... mining, because many mine operators was performed in Quebec. Based on chill the stopes offers a surplus of en- ... the pneumatic jackleg drill. ... AUTHOR Paraszczak, J. ; Planeta, S. PUBLISHED 1997 TITLE Cut-and-Fill Stoping - Introduction to Open Cut-and-Fill Stoping  SUMMARY ... If the back height is between 2.4 and 4.5 m (8 and 15 ft), then usually jackleg drills or very simple jumbo drills are em- ployed. In stopes with a definite ... AUTHOR Waterland, Joel K. PUBLISHED 1982 Showing: 1 to 10 of 60 matches for "jackleg stopes"  Page   1   2   3   4   5   6 Search Again