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Indian Institute of Technology, Kharagpur

Underground Mining of Metalliferous deposits

Indian Institute of Technology, Kharagpur and NPTEL via Swayam

Overview

(i) Introduction to Metalliferous mineral deposits, exploration, deposit characterizations, understanding cut-off grade, dilution, optimum recovery, financial impacts etc. (ii) Access to mineral deposits: Types of access and selection criteria, location, size and shape; Adits, Inclines, Declines, Shafts; Conventional and special methods of excavation, lining, deepening and widening.(iii) Lateral and inclined development of openings to mineral blocks; Levels, Drive, Drift, Crosscuts, Raising and Winzing etc.(iv) Classification and choice of stoping methods, Methods of stoping: open stoping, supported stoping – breast, underhand and overhand stoping, shrinkage stoping, cut and fill stoping method, sub-level stoping; Introduction to caving methods: top slicing, sub-level caving, block caving; Stope mechanization and level interval.(v) Support: Rock bolting, Cable Bolting, Pillar Design; Backfilling: preparation, transportation of mill tailings and filling operation.(vi) Safety, Environmental issues and Case studies.INTENDED AUDIENCE : Students of Mining Engineering, Mining Machinery, Mineral Processing,Earth Sciences (Geology/geophysics etc.)PREREQUISITES : NoneINDUSTRIES SUPPORT : All the Mining and allied industries

Syllabus

Week-1:Introduction to Metal Mining, their importance, financial impact etc
Week-2:Exploration, understanding cut-off grade, dilution, recovery etc Week-3:Access to mineral deposits
Week-4:Development of openings Week-5:Development of openings Week-6:Choice of Stoping methods – qualitative and quantitative analysis
Week-7:Stoping methods
Week-8:Stoping methods
Week-9:Stoping methods
Week-10:Support technology
Week-11:Filling of stopes
Week-12:Safety, Environment and Case studies

Taught by

Prof. Bibhuti Bhusan Mandal, Prof. Kaushik Dey

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