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Showing: 1 to 10 of 753 matches for "a long hole open stopping"  Page   1   2   3   4   5   6   7   8   9  next TITLE Lead-zinc Ore Mining at the Isa Mine of Mount Isa Mines Limited, Mount Isa, Queensland  SUMMARY ... are obtained from a combination of sublevel open stopping, cut and ... Most open stopes are extracted by a primary - secondary ... a 1.8 mx 1.8 m long hole winze will ... PUBLISHED 1993 TITLE Introduction To Nuasahi Chromite Mine ? An Under Ground Chromite Mine  SUMMARY ... paper deals with the state of art technology of sub-level open stopping in thin ... The Long hole rings are blasted against this free face .The rock so blasted is ... AUTHOR Agrawal, Vinay Kumar ; Praharaj, Rama Nath PUBLISHED 2007 TITLE Mining Practice at Mammoth Mine  SUMMARY ... Extension rods are 25 mm hexagonal 1.8 metres long with 1400 series hi ... Hole diameters are 57 mm ... SUBLEVEL OPEN STOPING A 60 metres high open stope is being The Aus ... AUTHOR Mitchell M A PUBLISHED 1974 TITLE Techniques for Pitch Mining in Anthracite  SUMMARY ... turned into the coal chute by means of a stopping. ... or rushes of rock in the open cut can ... Experimental Blasthole Mining Interest in long hole methods has been ... AUTHOR Schnee, Garfield, A. PUBLISHED 1950 TITLE Schuylkill Valley Paper - The Rock-Drill Applied to Opening the Tapping-Hole of a Blast-Furnace  SUMMARY ... To open at casting-time one of these deeply and ... mounting were the short feed, and the long time required to withdraw the bit, after the hole had been ... AUTHOR Baker, David PUBLISHED 1893 TITLE Mining Practice in the South Alligator Valley  SUMMARY ... Open cut. Open cut. Open cut. Open stopes and cut and fill Open cut. Ore deposit Diamond Wagon and Shaft Drives, cross drilling long hole sinking cuts,rises & ... PUBLISHED 1968 TITLE Taxation Considerations in Mining/Exploration  SUMMARY ... undercut-and-fill mining, shrinkage stoping, long-hole open stoping and ... pass for the purpose of stopping large pieces ... and mine the deposit by open pit mining. ... PUBLISHED 1990 TITLE The missing link: The gap in the mining automation hierarchy  SUMMARY ... However, so long as the circulation lists for internal ... be used to optimize the drill hole spacing and ... At an open pit, a computerized truck dispatch system had ... AUTHOR Penswick D. ; Gilliland, K. PUBLISHED 2001 TITLE Mining Methods And Costs, Deep Creek Zinc-Lead Mine, Goldfield Consolidated Mines Co., Stevens County, Wash.  SUMMARY ... Open fissures in the limestone abutting against the fill ... was the most frequent reason for stopping holes short of ... a lower hole intersecting the long hole at an ... AUTHOR Waddell, Galen G. PUBLISHED 1963 TITLE Mining Methods And Costs, Deep Creek Zinc-Lead Mine, Goldfield Consolidated Mines Co., Stevens County, Wash.  SUMMARY ... Open fissures in the limestone abutting against the fill ... was the most frequent reason for stopping holes short of ... a lower hole intersecting the long hole at an ... AUTHOR Waddell, Galen G. PUBLISHED 1963 Showing: 1 to 10 of 753 matches for "a long hole open stopping"  Page   1   2   3   4   5   6   7   8   9  next Search Again