Question: subject :Surface and underground mining methods considerations: 1 . Geotechnical Conditions: Rock mass strength is moderately strong to strong , scattered mineralization zones 2 .

subject :Surface and underground mining methods

considerations:

1 .

Geotechnical Conditions: Rock mass strength is moderately strong to strong

,

scattered mineralization zones

2 .

Environmental Regulations: Dust suppression requirements and potential management of contaminants in backfill materials.

3 .

Economic Feasibility: Upfront costs vs

.

long

-

term benefits.considering the apecified rms

,

enviromental regulations and economic feasibility

Develop a backfilling strategy to ensure the stability of excavated stopes and minimize subsidence in a sublevel stoping mine.Evaluate different backfill materials and methods and select the most efficient method of backfill,Specify the equipment, logistics

,

and quality control measures for backfill placement

)

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